Alta Sierra Weather Forecast

    • 31
    • 47

    Mostly Sunny

    • 32
    • 50

    Mostly Sunny

    • 37
    • 55

    Partly Sunny

    • 38
    • 57

    Partly Sunny

    • 41
    • 59

    Mostly Sunny

    • 45
    • 62

    Mostly Sunny

Today 8 Jan Motherlode

Patchy frost early in the morning. Patchy fog in the morning. Areas of frost late in the morning. Sunny. Highs 44 to 50. Prevailing north Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 8 Jan Motherlode

Clear. Widespread frost after midnight. Lows around 32. Prevailing north Winds up to 10 Mph shifting to the east after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alta Sierra Temperature Statistics

January Temperature

Nevada County Air Park (6.2 miles)

  • Lowest 4 January, 2026

    35.6 °F

  • Average January

    45 °F

  • Highest 1 January, 2026

    50 °F

Climate (2021–Present)

Nevada County Air Park (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    68.7 °F
Get WillyWeather+ to remove ads