Alta Sierra Airport Weather Forecast

    • 45
    • 61

    Mostly Cloudy

    • 38
    • 60

    Partly Sunny

    • 37
    • 57

    Sunny

    • 33
    • 59

    Sunny

    • 37
    • 56

    Mostly Cloudy

    • 37
    • 58

    Partly Sunny

    • 40
    • 60

    Partly Sunny

Today 21 Jan Motherlode

Mostly cloudy. Highs 56 to 66. Light Winds.

Tonight 21 Jan Motherlode

Mostly cloudy. Patchy dense fog after midnight. Lows 44 to 50. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alta Sierra Airport Temperature Statistics

January Temperature

Nevada County Air Park (8.1 miles)

  • Lowest 8 January, 2026

    32 °F

  • Average January

    51 °F

  • Highest 15 January, 2026

    73.4 °F

Climate (2021–Present)

Nevada County Air Park (8.1 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