Rio Oso Weather Forecast
- 53
- 68
Rain Showers Likely
- 44
- 63
Rain Showers
- 45
- 66
Sunny
- 45
- 77
Sunny
- 48
- 81
Mostly Sunny
- 52
- 83
Partly Sunny
Today 31 Mar Southern Sacramento Valley
Mostly cloudy with a chance of rain. Cooler. Highs 63 to 69. South Winds up to 10 Mph with Gusts to around 20 Mph.
Tonight 31 Mar Southern Sacramento Valley
Mostly cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. Lows around 52. South Winds up to 10 Mph with Gusts to around 20 Mph.
Rio Oso Temperature Statistics
March Temperature
Marysville, Yuba County Airport (9.3 miles)
Lowest 11 March, 2026
43.6 °FAverage March
65.1 °FHighest 19 March, 2026
89.7 °F
Climate (2021–Present)
Marysville, Yuba County Airport (9.3 miles)
Average Low 2021–2026
51.3 °FAverage 2021–2026
64.4 °FAverage High 2021–2026
78.1 °F