Point Forecast: Lewiston ID
 46.41N 117W (Elev. 945 ft)
Last Update: 9:46 pm PDT Aug 15, 2026
Tabular Forecast
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Date08/1508/16
Hour (PDT)222300010203040506070809101112131415161718192021
Temperature (°F)777572706865646462646568737781858991919391908784
Dewpoint (°F)545454555454535354555556575655545453525252535253
Heat Index (°F)77757781848788899089888582
Surface Wind (mph)665533333332111235555533
Wind DirSEEEEEESEEEEENENNWWNWNWWNWNWNWWNWSW
Gust
Sky Cover (%)531313293154625976766648593124151010102222223536
Precipitation Potential (%)296666666666661010101010101414141414
Relative Humidity (%)454854596166696975747065574841353028262526293034
RainChc----------------------------------------------
Thunder------------------------------------------------

Date08/17
Hour (PDT)222300010203040506070809101112131415161718192021
Temperature (°F)807876747270676767666971778185889293949593928986
Dewpoint (°F)515153535152515153535453555454525150484949505050
Heat Index (°F)807876778183868990919190898684
Surface Wind (mph)222222222222211133355555
Wind DirSWSSESESEESEEEEEEENNNNWNWNWNWNWNWWW
Gust
Sky Cover (%)403151475971849292925959595959597070707878787474
Precipitation Potential (%)1411111100000000000033333
Relative Humidity (%)373944474852555661635953474034292523212122242628
Rain------------------------------------------------
Thunder------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Forecast Weather TableArea Forecast Discussion
Tabular State ForecastClimatology