Washtucna Weather Forecast
- 46
- 82
Rain Showers
- 44
- 63
Rain Showers
- 45
- 70
Partly Sunny
- 46
- 72
Mostly Sunny
- 47
- 77
Mostly Sunny
- 48
- 81
Mostly Sunny
- 51
- 85
Mostly Sunny
Today 12 Sep Upper Columbia Basin
Mostly cloudy. Highs in the mid 70s to lower 80s. Northeast wind 5 to 15 Mph with Gusts up to 30 Mph.
Tonight 12 Sep Upper Columbia Basin
A chance of rain Showers in the Evening, then rain Showers and a chance of Thunderstorms overnight. Lows in the upper 40s to mid 50s. Northeast wind 5 to 15 Mph shifting to the south overnight. Gusts up to 30 Mph. Chance of precipitation near 100 percent. Rainfall Amounts up to a half inch Possible, except higher Amounts possible in Thunderstorms.
Washtucna Temperature Statistics
September Temperature
Walla Walla Regional Airport (45.4 miles)
Lowest 4 September, 2026
49.6 °FAverage September
65.3 °FHighest 9 September, 2026
84.9 °F
Climate (2021–2026)
Walla Walla Regional Airport (45.4 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
54.9 °FAverage High 2021–2026
64.5 °F