St John Weather Forecast
- 30
- 50
Rain Likely
- 31
- 51
Chance Rain/Snow
- 34
- 54
Mostly Sunny
- 41
- 62
Mostly Cloudy
- 45
- 70
Mostly Cloudy
- 47
- 72
Partly Sunny
- 46
- 72
Chance Rain
Today 15 Apr Washington Palouse
Rain, snow and a chance of Thunderstorms. No snow accumulation. Highs in the mid 40s to lower 50s. Windy. Southwest wind 15 to 25 Mph with Gusts up to 35 Mph. Chance of precipitation 90 percent.
Tonight 15 Apr Washington Palouse
Mostly cloudy. A chance of rain or snow in the Evening, then a chance of snow overnight. Lows in the upper 20s to lower 30s. Southwest wind 5 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 40 percent.
St John Temperature Statistics
April Temperature
Pullman / Moscow Regional Airport (32.3 miles)
Lowest 8 April, 2026
27.6 °FAverage April
48.9 °FHighest 10 April, 2026
70.6 °F
Climate (2021–Present)
Pullman / Moscow Regional Airport (32.3 miles)
Average Low 2021–2026
39.6 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
59.7 °F