Arnold Weather Forecast
- 32
- 59
Partly Sunny
- 29
- 61
Partly Sunny
- 30
- 61
Mostly Sunny
- 31
- 60
Mostly Sunny
- 35
- 62
Mostly Sunny
- 37
- 64
Mostly Sunny
Today 30 Nov Northwestern Mendocino Interior
Mostly cloudy early in the morning then clearing. Areas of frost in the morning. Highs 52 to 65.
Tonight 30 Nov Northwestern Mendocino Interior
Partly cloudy. Patchy frost in the evening. Widespread frost overnight. Lows 31 to 41.
Arnold Temperature Statistics
November Temperature
Ukiah Municipal Airport (28.6 miles)
Lowest 26 November, 2025
34 °FAverage November
53.6 °FHighest 2 November, 2025
79 °F
Climate (2020–Present)
Ukiah Municipal Airport (28.6 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
60.7 °FAverage High 2020–2025
76 °F