Arnold Weather Forecast
- 31
- 41
Rain
- 32
- 49
Chance Rain
- 37
- 55
Mostly Sunny
- 40
- 58
Partly Sunny
- 39
- 58
Sunny
- 43
- 63
Mostly Sunny
Today 12 Apr West Slope Northern Sierra Nevada
Heavy snow in the Morning, then heavy snow Showers, rain Showers and a slight chance of Thunderstorms in the afternoon. Highs 25 to 40 higher Elevations. 36 to 46 lower Elevations. Snow accumulation 3 to 5 Inches lower Elevations except 10 to 16 Inches higher Elevations. Snow level 4500 feet. Prevailing south Winds 5 to 15 Mph with Gusts to around 35 Mph except south 10 to 30 Mph with Gusts to around 45 Mph over Ridges.
Tonight 12 Apr West Slope Northern Sierra Nevada
Mostly cloudy. Heavy snow Showers, rain Showers and a slight chance of Thunderstorms in the Evening, then a chance of rain and snow after midnight. Lows 16 to 31 higher Elevations. 27 to 39 lower Elevations. Little or no snow accumulation lower Elevations. 2 to 8 Inches higher Elevations. Snow level 4500 feet. Prevailing south Winds up to 10 Mph. Gusts up to 30 Mph in the evening.
Arnold Temperature Statistics
April Temperature
COLUMBIA (15.5 miles)
Lowest 3 April, 2026
37.4 °FAverage April
58.9 °FHighest 5 April, 2026
78.8 °F
Climate (2021–Present)
COLUMBIA (15.5 miles)
Average Low 2021–2026
47.1 °FAverage 2021–2026
60.1 °FAverage High 2021–2026
73.9 °F