Folsom Lake Weather Forecast
- 35
- 48
Rain/Snow
- 31
- 42
Chance Snow
- 32
- 42
Chance Rain/Snow
- 34
- 43
Rain/Snow Likely
- 32
- 44
Chance Rain/Snow
- 33
- 44
Chance Rain/Snow
Today 18 Dec Washington Palouse
A chance of rain or snow in the Morning, then rain or snow in the afternoon. Snow accumulation up to 2 Inches. Highs in the lower 40s to lower 50s. Breezy. Southeast wind 10 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.
Tonight 18 Dec Washington Palouse
Rain. Lows in the 30s. Windy. Southwest wind 20 to 30 Mph with Gusts up to 40 Mph. Chance of precipitation near 100 percent. Rainfall Amounts over an inch possible.
Folsom Lake Temperature Statistics
December Temperature
Fairchild Air Force Base (29.2 miles)
Lowest 2 December, 2025
23.5 °FAverage December
40.4 °FHighest 15 December, 2025
56.7 °F
Climate (2020–Present)
Fairchild Air Force Base (29.2 miles)
Average Low 2020–2025
39.4 °FAverage 2020–2025
49.2 °FAverage High 2020–2025
58.9 °F