Sierra City Weather Forecast
- 47
- 65
Rain
- 50
- 75
Mostly Sunny
- 46
- 72
Mostly Sunny
- 53
- 80
Mostly Sunny
- 58
- 84
Partly Sunny
- 60
- 85
Partly Sunny
Today 4 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80
Mostly cloudy. A chance of rain until late Afternoon, then a slight chance of rain late in the afternoon. Highs 55 to 65. Light Winds.
Tonight 4 Sep Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80
Mostly clear. Patchy dense fog after midnight. Lows 43 to 53. Light Winds.
Sierra City Temperature Statistics
September Temperature
Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)
Lowest 1 September, 2026
43.6 °FAverage September
51.4 °FHighest 1 September, 2026
61.6 °F
Climate (2021–2026)
Emigrant Gap, Blue Canyon Nyack Airport (20.5 miles)
Average Low 2021–2026
46.8 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
60.5 °F