Grand Coulee Weather Forecast
- 48
- 63
Rain Showers Likely
- 47
- 63
Chance Rain Showers
- 44
- 65
Chance Rain Showers
- 45
- 65
Mostly Cloudy
- 39
- 63
Partly Sunny
- 42
- 63
Partly Sunny
Today 25 Apr Upper Columbia Basin
Mostly cloudy. A chance of rain Showers in the afternoon. Highs in the upper 50s to lower 60s. Southwest wind 5 to 15 Mph. Gusts up to 25 Mph in the afternoon. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.
Tonight 25 Apr Upper Columbia Basin
Mostly cloudy. Lows in the upper 30s to mid 40s. Southwest wind 5 to 10 Mph.
Grand Coulee Temperature Statistics
April Temperature
Omak Airport (42.9 miles)
Lowest 19 April, 2024
28.9 °FAverage April
50.1 °FHighest 14 April, 2024
78.7 °F
Climate (2019–Present)
Omak Airport (42.9 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
40.8 °FAverage 2019–2024
51.5 °FAverage High 2019–2024
62 °F