Thermalito Weather Forecast
- 47
- 49
Rain Showers
- 45
- 57
Rain Showers Likely
- 52
- 56
Rain Showers Likely
- 54
- 55
Rain Showers
- 54
- 56
Rain Showers
- 53
- 56
Rain Showers
- 50
- 54
Rain Showers Likely
Today 16 Dec Central Sacramento Valley
Cloudy with a chance of rain Showers. Widespread fog. Locally dense in the morning. Patchy fog in the afternoon. Highs 47 to 53. Light Winds.
Tonight 16 Dec Central Sacramento Valley
A chance of rain Showers until early Morning, then rain Showers late in the night. Patchy fog through the night. Lows 40 to 50. Southeast Winds up to 15 Mph. Gusts up to 25 Mph after midnight.
Thermalito Temperature Statistics
December Temperature
Oroville Municipal Airport (1.9 miles)
Lowest 3 December, 2025
37 °FAverage December
42.5 °FHighest 3 December, 2025
60.1 °F
Climate (2020–Present)
Oroville Municipal Airport (1.9 miles)
Average Low 2020–2025
53.1 °FAverage 2020–2025
64.8 °FAverage High 2020–2025
76.8 °F