Weather in Grand Coulee, Washington, United States

7-Day Detailed Weather Forecast for Grand Coulee

This Afternoon

Temperature: 89°F

Wind Speed: 8 mph

Wind Direction: E

Forecast: Partly sunny, with a high near 89. East wind around 8 mph.

Tonight

Temperature: 55°F

Wind Speed: 2 to 8 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms after 11pm. Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. Northeast wind 2 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 71°F

Wind Speed: 3 to 21 mph

Wind Direction: SW

Forecast: A chance of rain showers before 11am, then showers and thunderstorms between 11am and 4pm, then rain showers and patchy blowing dust between 4pm and 5pm, then patchy blowing dust and a slight chance of rain showers. Mostly cloudy. High near 71, with temperatures falling to around 61 in the afternoon. Southwest wind 3 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night

Temperature: 46°F

Wind Speed: 12 to 21 mph

Wind Direction: SW

Forecast: Patchy blowing dust and a slight chance of rain showers before 11pm. Mostly cloudy, with a low around 46. Southwest wind 12 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Thursday

Temperature: 69°F

Wind Speed: 12 to 17 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 69. Southwest wind 12 to 17 mph, with gusts as high as 30 mph.

Thursday Night

Temperature: 43°F

Wind Speed: 5 to 18 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 43.

Friday

Temperature: 67°F

Wind Speed: 5 to 17 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 67.

Friday Night

Temperature: 41°F

Wind Speed: 6 to 20 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 41.

Saturday

Temperature: 64°F

Wind Speed: 6 to 13 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 64.

Saturday Night

Temperature: 40°F

Wind Speed: 5 to 13 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 40.

Sunday

Temperature: 69°F

Wind Speed: 5 to 9 mph

Wind Direction: W

Forecast: Sunny, with a high near 69.

Sunday Night

Temperature: 44°F

Wind Speed: 2 to 9 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 44.

Monday

Temperature: 73°F

Wind Speed: 2 to 12 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 73.

Monday Night

Temperature: 46°F

Wind Speed: 3 to 12 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 46.