Point Forecast: Grand Coulee WA
 47.93N 118.99W (Elev. 2037 ft)
Last Update: 2:18 pm PDT Jul 14, 2025
Tabular Forecast
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Date07/1407/15
Hour (PDT)151617181920212223000102030405060708091011121314
Temperature (°F)949292898479757370696867646363626466687273777980
Dewpoint (°F)494849494848484948505050484848474746454644434242
Heat Index (°F)91898986827975777979
Surface Wind (mph)182028252626262618181817171715151617181817171716
Wind DirNWNWNWNWNWNNNNNNNNNNNNNENENENENENENE
Gust2828454545373737262626
Sky Cover (%)71110981081413121114202020281824201814454510
Precipitation Potential (%)225553336669997774441111
Relative Humidity (%)222223252934384345505355575858575449443936302726
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/16
Hour (PDT)151617181920212223000102030405060708091011121314
Temperature (°F)818384828280757270686665636261626467707478818486
Dewpoint (°F)424444444647474747474747474847474646464646454444
Heat Index (°F)7981828080797578808283
Surface Wind (mph)16151514141414141010106665556668888
Wind DirNENENEEEEEEEEENENENENENENEEEESESESES
Gust26252524232322
Sky Cover (%)313152116117101313136664441110002
Precipitation Potential (%)110000000000000000000000
Relative Humidity (%)252525262831374144475053565959575247423732282523
Rain------------------------------------------------
Thunder------------------------------------------------

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