Lake Water Temperature
Freshwater temperatures for 525 of the world's most-swum lakes, lochs and reservoirs — monthly averages, the swim season, and a live estimate refined with today's air temperature. Open the interactive lake temperature map, the live sea temperature map, or compare lakes side by side. For moving water, see river & swimming hole temperatures.
United States
Lake TahoeCalifornia / Nevada16.3°COctoberLake MichiganGreat Lakes17°COctoberLake SuperiorGreat Lakes11.5°COctoberLake ErieGreat Lakes18.5°COctoberLake HuronGreat Lakes15.5°COctoberLake OntarioGreat Lakes17°COctoberLake PowellUtah / Arizona21.5°COctoberLake MeadNevada / Arizona24.5°COctoberLake HavasuArizona25.5°COctoberLake GeorgeNew York18.8°COctoberLake ChamplainVermont / New York17.8°COctoberLake WinnipesaukeeNew Hampshire18.5°COctoberLake of the OzarksMissouri22.5°COctoberLake TravisTexas24.8°COctoberLake LanierGeorgia24°COctoberLake NormanNorth Carolina24°COctoberLake OkeechobeeFlorida27°COctoberCrater LakeOregon12.8°COctoberLake Coeur d'AleneIdaho17.5°COctoberFlathead LakeMontana15.8°COctoberLake ChelanWashington17.8°COctoberLake WashingtonWashington19°COctoberLake SammamishWashington19.8°COctoberLake UnionWashington19°COctoberLake CrescentWashington14.3°COctoberPriest LakeIdaho16.5°COctoberLake Pend OreilleIdaho16.8°COctoberBear LakeUtah / Idaho17.5°COctoberRedfish LakeIdaho14.3°COctoberPayette LakeIdaho15.8°COctoberUtah LakeUtah19.5°COctoberGreat Salt LakeUtah20.3°COctoberLake SakakaweaNorth Dakota16.8°COctoberDevils LakeNorth Dakota17.5°COctoberLake OaheSouth Dakota17.5°COctoberPactola LakeSouth Dakota16.3°COctoberLake MinnetonkaMinnesota18.3°COctoberLake VermilionMinnesota16.8°COctoberMille Lacs LakeMinnesota17.5°COctoberLeech LakeMinnesota17.5°COctoberLake WinnibigoshishMinnesota17.5°COctoberGull LakeMinnesota18.3°COctoberLake PepinMinnesota / Wisconsin19°COctoberLake WinnebagoWisconsin18.3°COctoberLake MendotaWisconsin19.3°COctoberGreen LakeWisconsin17.8°COctoberLake WisconsinWisconsin19.3°COctoberCastle Rock LakeWisconsin19.3°COctoberLake CharlevoixMichigan16.8°COctoberTorch LakeMichigan16°COctoberHiggins LakeMichigan17.5°COctoberHoughton LakeMichigan19°COctoberLake St. ClairMichigan18.3°COctoberGrand Traverse BayMichigan16°COctoberLake CumberlandKentucky23°COctoberKentucky LakeKentucky / Tennessee23.8°COctoberLake BarkleyKentucky23.8°COctoberDale Hollow LakeTennessee23°COctoberNorris LakeTennessee23°COctoberDouglas LakeTennessee23.8°COctoberWatts Bar LakeTennessee24°COctoberPercy Priest LakeTennessee24°COctoberTims Ford LakeTennessee24°COctoberLake GuntersvilleAlabama25°COctoberLake MartinAlabama25.3°COctoberSmith LakeAlabama24.3°COctoberWheeler LakeAlabama25°COctoberWeiss LakeAlabama25°COctoberLake Sidney LanierGeorgia24°COctoberLake AllatoonaGeorgia24.3°COctoberLake OconeeGeorgia25°COctoberLake HartwellGeorgia / South Carolina24.3°COctoberLake SinclairGeorgia25.3°COctoberLake Blue RidgeGeorgia22.3°COctoberLake MurraySouth Carolina25°COctoberLake MarionSouth Carolina25.3°COctoberLake MoultrieSouth Carolina25.3°COctoberLake KeoweeSouth Carolina24.3°COctoberLake JocasseeSouth Carolina21.8°COctoberLake WylieNorth Carolina24.3°COctoberLake JamesNorth Carolina23.3°COctoberFontana LakeNorth Carolina21.5°COctoberJordan LakeNorth Carolina25°COctoberFalls LakeNorth Carolina25°COctoberLake GastonNorth Carolina / Virginia24°COctoberSmith Mountain LakeVirginia23°COctoberLake AnnaVirginia24°COctoberClaytor LakeVirginia22.3°COctoberDeep Creek LakeMaryland19.8°COctoberRaystown LakePennsylvania20.5°COctoberLake WallenpaupackPennsylvania20.3°COctoberConneaut LakePennsylvania19.3°COctoberLake NockamixonPennsylvania20.3°COctoberSeneca LakeNew York19°COctoberCayuga LakeNew York18.8°COctoberCanandaigua LakeNew York18.8°COctoberKeuka LakeNew York18.8°COctoberSkaneateles LakeNew York18°COctoberOneida LakeNew York19°COctoberSaranac LakeNew York16.8°COctoberLake PlacidNew York16°COctoberChautauqua LakeNew York19°COctoberGreenwood LakeNew Jersey / New York19.3°COctoberLake HopatcongNew Jersey20°COctoberCandlewood LakeConnecticut20.3°COctoberLake WaramaugConnecticut19.5°COctoberLake WinnisquamNew Hampshire18.5°COctoberSquam LakeNew Hampshire18.5°COctoberNewfound LakeNew Hampshire17.8°COctoberLake SunapeeNew Hampshire17.8°COctoberSebago LakeMaine17.8°COctoberMoosehead LakeMaine16°COctoberRangeley LakeMaine16°COctoberLong LakeMaine17.8°COctoberLake BomoseenVermont18.5°COctoberLake MemphremagogVermont16.8°COctoberLake WilloughbyVermont16°COctoberTable Rock LakeMissouri22.8°COctoberTruman LakeMissouri22.5°COctoberBull Shoals LakeArkansas / Missouri23°COctoberBeaver LakeArkansas23°COctoberLake OuachitaArkansas24°COctoberGreers Ferry LakeArkansas24°COctoberLake HamiltonArkansas24.8°COctoberGrand Lake o' the CherokeesOklahoma23.8°COctoberLake TenkillerOklahoma23.8°COctoberLake TexomaOklahoma / Texas24.8°COctoberLake EufaulaOklahoma24.5°COctoberCanyon LakeTexas25°COctoberLake LBJTexas25.8°COctoberLake BuchananTexas25.8°COctoberLake ConroeTexas26.5°COctoberLake LivingstonTexas26.5°COctoberLake AmistadTexas26°COctoberPossum Kingdom LakeTexas25.3°COctoberLake Ray HubbardTexas26°COctoberLake GrapevineTexas26°COctoberElephant Butte LakeNew Mexico22.5°COctoberNavajo LakeNew Mexico19.3°COctoberLake PleasantArizona25°COctoberSaguaro LakeArizona25°COctoberCanyon Lake (Arizona)Arizona24°COctoberRoosevelt LakeArizona24.8°COctoberLake MohaveArizona / Nevada23.3°COctoberPyramid LakeNevada18.5°COctoberLake BerryessaCalifornia21°COctoberClear LakeCalifornia21.8°COctoberShasta LakeCalifornia21°COctoberTrinity LakeCalifornia20°COctoberLake AlmanorCalifornia17.8°COctoberFolsom LakeCalifornia22°COctoberLake CasitasCalifornia22.5°COctoberBig Bear LakeCalifornia17°COctoberLake ArrowheadCalifornia18°COctoberDiamond Valley LakeCalifornia23.3°COctoberLake PerrisCalifornia24°COctoberGrand LakeColorado14°COctoberDillon ReservoirColorado11.8°COctoberHorsetooth ReservoirColorado16.5°COctoberChatfield ReservoirColorado17.3°COctoberBlue Mesa ReservoirColorado14.8°COctoberFlaming Gorge ReservoirUtah / Wyoming17.3°COctoberJackson LakeWyoming13°COctoberYellowstone LakeWyoming11.5°COctober
Canada
Okanagan LakeBritish Columbia18.3°COctoberLake SimcoeOntario17.5°COctoberLake MuskokaOntario16.8°COctoberLake WinnipegManitoba16°COctoberLake LouiseAlberta7°COctoberGeorgian BayOntario16°COctoberLake NipissingOntario16.8°COctoberLake of the WoodsOntario16.8°COctoberRideau LakesOntario18.3°COctoberLake ScugogOntario18.3°COctoberSturgeon LakeOntario17.5°COctoberBalsam LakeOntario17.5°COctoberLake JosephOntario16.8°COctoberLake RosseauOntario16.8°COctoberLake CouchichingOntario17.5°COctoberKawartha LakesOntario17.5°COctoberLake TemagamiOntario16°COctoberLake NipigonOntario13°COctoberLac Saint-JeanQuebec16°COctoberLac MemphremagogQuebec16.8°COctoberLac MassawippiQuebec16.8°COctoberLac TremblantQuebec16°COctoberLac des SablesQuebec16.8°COctoberLac SimonQuebec16.8°COctoberLake SkahaBritish Columbia19°COctoberShuswap LakeBritish Columbia18°COctoberKootenay LakeBritish Columbia16.5°COctoberCultus LakeBritish Columbia18.3°COctoberHarrison LakeBritish Columbia16.8°COctoberKalamalka LakeBritish Columbia18.3°COctoberChristina LakeBritish Columbia19°COctoberSproat LakeBritish Columbia17.8°COctoberLake CowichanBritish Columbia17.8°COctoberSylvan LakeAlberta15.3°COctoberLake MinnewankaAlberta8.5°COctoberMoraine LakeAlberta6.3°COctoberPigeon LakeAlberta16°COctoberLac La BicheAlberta15.3°COctoberLake WabamunAlberta16°COctoberWaskesiu LakeSaskatchewan15.3°COctoberLast Mountain LakeSaskatchewan16°COctoberLake DiefenbakerSaskatchewan16°COctoberCandle LakeSaskatchewan15.3°COctoberLake ManitobaManitoba16°COctoberClear Lake (Manitoba)Manitoba16°COctoberBras d'Or LakeNova Scotia16.3°COctoberLake BanookNova Scotia17°COctoberGrand Lake (New Brunswick)New Brunswick17.5°COctoberLake UtopiaNew Brunswick16.8°COctoberGander LakeNewfoundland and Labrador13°COctober
Germany
Lake ConstanceBaden-Württemberg18.5°COctoberChiemseeBavaria18°COctoberStarnberger SeeBavaria17.5°COctoberTegernseeBavaria16.5°COctoberWannseeBerlin17.8°COctoberMüggelseeBerlin18.5°COctoberLake ChiemseeBavaria18.3°COctoberLake StarnbergBavaria18.3°COctoberLake AmmerseeBavaria18.3°COctoberLake TegernseeBavaria17.5°COctoberLake WalchenseeBavaria16°COctoberLake KochelseeBavaria17.5°COctoberLake EibseeBavaria15°COctoberLake KonigsseeBavaria15.3°COctoberLake SchlierseeBavaria17.5°COctoberLake SteinhudeLower Saxony18.8°COctoberLake MuritzMecklenburg17.8°COctoberLake SchwerinMecklenburg17.8°COctoberLake PlauMecklenburg17.8°COctoberLake ScharmutzelseeBrandenburg18.5°COctoberLake WannseeBerlin18.8°COctoberLake MuggelseeBerlin18.8°COctoberLake TegelBerlin18.8°COctoberLake SenftenbergBrandenburg18.5°COctoberLake CospudenSaxony18.5°COctoberLake GeiseltalSaxony-Anhalt18.5°COctoberLake EderseeHesse18°COctoberLake TitiseeBaden-Wurttemberg16.5°COctoberLake SchluchseeBaden-Wurttemberg16.5°COctoberLake BostalseeSaarland18°COctoberLake RurseeNorth Rhine-Westphalia17.3°COctoberLake BaldeneyNorth Rhine-Westphalia18°COctoberLake DiemelseeHesse17.3°COctoberLake SylvensteinBavaria15°COctober
France
Lake AnnecyHaute-Savoie18.8°COctoberLac du BourgetSavoie19.8°COctoberLac de Sainte-CroixProvence21.5°COctoberLac Léman (Évian)Haute-Savoie18°COctoberLac du BourgetAuvergne-Rhone-Alpes19.5°COctoberLac d'AiguebeletteSavoie20.3°COctoberLac de Serre-PonconHautes-Alpes18.8°COctoberLac de CastillonProvence20°COctoberLac d'EsparronProvence20.8°COctoberLac de VassiviereNouvelle-Aquitaine17.8°COctoberLac d'HourtinGironde19.8°COctoberLac de LacanauGironde19.8°COctoberLac de BiscarrosseLandes20.8°COctoberLac de SanguinetLandes20.8°COctoberLac de SoustonsLandes21°COctoberLac de PareloupOccitanie18.8°COctoberLac de SalagouOccitanie22.5°COctoberLac du Der-ChantecoqGrand Est19°COctoberLac de MadineGrand Est18.3°COctoberLac de GerardmerVosges17.5°COctoberLac de Pierre-PerceeGrand Est17.5°COctoberLac de ChalainJura19.3°COctoberLac de VouglansJura19.3°COctoberLac de PaladruIsere20.3°COctoberLac de NaussacOccitanie17.8°COctoberLac de GuerledanBrittany18.8°COctober
United Kingdom
WindermereLake District15.5°COctoberConiston WaterLake District14.8°COctoberUllswaterLake District14°COctoberDerwentwaterLake District14.8°COctoberLoch LomondScotland14°COctoberLoch NessScotland11°COctoberWindermereCumbria15.5°COctoberBassenthwaite LakeCumbria14.8°COctoberButtermereCumbria13.8°COctoberWastwaterCumbria13°COctoberCrummock WaterCumbria13.8°COctoberGrasmereCumbria15.5°COctoberLoch AweScotland14°COctoberLoch TayScotland13.8°COctoberLoch MorlichScotland12.8°COctoberLoch EarnScotland13.8°COctoberLoch KatrineScotland13°COctoberLoch InshScotland13.5°COctoberBala LakeWales15.5°COctoberLlyn PadarnWales14.8°COctoberLlyn BrenigWales13.8°COctoberRutland WaterEngland17°COctoberLake VyrnwyWales14.5°COctoberLoch MorarScotland13.3°COctoberLough NeaghNorthern Ireland15.5°COctoberLough ErneNorthern Ireland15.5°COctober
Italy
Lake GardaLombardy / Veneto20.8°COctoberLake ComoLombardy19.8°COctoberLake MaggiorePiedmont / Ticino19.8°COctoberLake IseoLombardy19.8°COctoberLake BraccianoLazio21.8°COctoberLake TrasimenoUmbria22°COctoberLake BolsenaLazio21.8°COctoberLake OrtaPiedmont19.8°COctoberLake VareseLombardy20.3°COctoberLake IdroLombardy19°COctoberLake MolvenoTrentino16.3°COctoberLake CaldonazzoTrentino19.5°COctoberLake LevicoTrentino19.5°COctoberLake LedroTrentino18.8°COctoberLake BraiesSouth Tyrol11.3°COctoberLake ResiaSouth Tyrol12°COctoberLake CaldaroSouth Tyrol21°COctoberLake Santa CroceVeneto18.5°COctoberLake VicoLazio21°COctoberLake AlbanoLazio21.3°COctoberLake MassaciuccoliTuscany22°COctober
Switzerland
Lake GenevaVaud / Geneva18°COctoberLake ZurichZurich18.5°COctoberLake LucerneCentral Switzerland17.8°COctoberLake LuganoTicino20.8°COctoberLake ThunBernese Oberland17°COctoberLake BrienzBern14°COctoberLake NeuchatelNeuchatel17.5°COctoberLake BielBern17.5°COctoberLake ZugZug17.8°COctoberLake WalenSt. Gallen16.3°COctoberLake SilsGraubunden11.8°COctoberLake SilvaplanaGraubunden11.8°COctoberLake AegeriZug16.8°COctoberLake SarnenObwalden16.3°COctoberLake GreifenseeZurich17.5°COctoberLake PfaffikonZurich17.5°COctoberLake HallwilAargau18.3°COctoberLake MurtenFribourg18.3°COctober
Austria
WolfgangseeSalzkammergut18.3°COctoberWörtherseeCarinthia20.5°COctoberAtterseeUpper Austria17.5°COctoberLake NeusiedlBurgenland20.8°COctoberLake WolfgangSalzburg17.8°COctoberLake AtterseeUpper Austria17.8°COctoberLake MondseeUpper Austria18.5°COctoberLake TraunseeUpper Austria17°COctoberLake HallstattUpper Austria16.3°COctoberLake MillstattCarinthia19.3°COctoberLake OssiachCarinthia20°COctoberLake WeissenseeCarinthia18.3°COctoberLake FaakCarinthia21°COctoberLake Klopeiner SeeCarinthia22.5°COctoberLake AchenseeTyrol16°COctoberLake ZellSalzburg17.5°COctoberLake FuschlSalzburg17.8°COctober
Spain
Lake SanabriaCastilla y León17.8°COctoberEmbalse de San JuanMadrid20.8°COctoberLago de SanabriaCastile and Leon18°COctoberEmbalse de AlarconCastile-La Mancha21.5°COctoberEmbalse de EntrepenasGuadalajara20.8°COctoberEmbalse de El AtazarMadrid20.5°COctoberEmbalse de IznajarAndalusia23.5°COctoberEmbalse de NegratinAndalusia23.5°COctoberLago de BanyolesCatalonia21.8°COctoberEmbalse de SauCatalonia21.8°COctoberEmbalse de RianoCastile and Leon16.3°COctoberEmbalse de ProserpinaExtremadura23.5°COctoberEmbalse de OrellanaExtremadura23.5°COctoberEmbalse de As PontesGalicia20.3°COctober
Poland
Lake ŚniardwyMasuria17.5°COctoberLake WigryPodlaskie16.8°COctoberLake SniardwyMasuria17°COctoberLake MamryMasuria17°COctoberLake NiegocinMasuria17°COctoberLake WigryPodlaskie16.3°COctoberLake SolinaSubcarpathia18°COctoberLake ZywiecSilesia18°COctoberLake GopoKuyavia17.8°COctoberLake CharzykowskiePomerania17°COctoberLake JeziorakWarmia17°COctober