Grassy Lakes Weather Forecast
- 27
- 40
Rain/Snow Likely
- 30
- 42
Sunny
- 34
- 46
Sunny
- 38
- 52
Mostly Sunny
- 40
- 61
Mostly Sunny
- 38
- 58
Partly Sunny
Today 4 Mar Western Plumas County/Lassen Park
Mostly cloudy in the morning then becoming partly cloudy. At lower Elevations, a chance of Rain, a chance of rain through the day. At higher Elevations, a slight chance of rain and snow early in the Morning, then a chance of snow late in the morning. A chance of rain in the late morning and afternoon. A slight chance of snow early in the Afternoon, then a chance of snow late in the afternoon. Patchy fog late in the morning. Highs 34 to 49 higher Elevations. 42 to 52 lower Elevations. No snow accumulation lower Elevations. Up to 2 Inches higher Elevations. Snow level 6500 feet decreasing to 5500 feet in the afternoon. Prevailing southwest Winds up to 15 Mph with Gusts to around 30 Mph.
Tonight 4 Mar Western Plumas County/Lassen Park
Clear. At higher Elevations, a slight chance of snow in the evening. Colder. Lows 20 to 35. Little or no snow accumulation. Prevailing northwest Winds up to 10 Mph shifting to the northeast after midnight. Gusts up to 25 Mph.
Grassy Lakes Temperature Statistics
March Temperature
Chico Municipal Airport (36 miles)
Lowest 2 March, 2026
50 °FAverage March
58.8 °FHighest 1 March, 2026
66.2 °F
Climate (2021–Present)
Chico Municipal Airport (36 miles)
Average Low 2021–2026
52.6 °FAverage 2021–2026
61.3 °FAverage High 2021–2026
75 °F