Arnold Weather Forecast
- 46
- 76
Sunny
- 44
- 75
Mostly Sunny
- 44
- 66
Partly Sunny
- 39
- 56
Slight Chance Rain
- 41
- 67
Mostly Sunny
- 47
- 75
Mostly Sunny
- 47
- 75
Mostly Sunny
Today 30 Apr Northwestern Mendocino Interior
Sunny. Highs 70 to 85.
Tonight 30 Apr Northwestern Mendocino Interior
Clear. Lows 44 to 54.
Arnold Temperature Statistics
April Temperature
Ukiah Municipal Airport (28.6 miles)
Lowest 3 April, 2025
37.7 °FAverage April
59.8 °FHighest 14 April, 2025
88.6 °F
Climate (2020–Present)
Ukiah Municipal Airport (28.6 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
60.7 °FAverage High 2020–2025
76.2 °F