Shasta National Forest Weather Forecast

    • 53
    • 84

    Increasing Clouds

    • 52
    • 71

    Slight Chance Rain Showers

    • 52
    • 75

    Mostly Sunny

    • 53
    • 78

    Sunny

    • 55
    • 83

    Mostly Sunny

    • 50
    • 75

    Chance Rain Showers

Today 18 Sep Shasta Lake Area / Northern Shasta County

Mostly sunny in the morning then becoming mostly cloudy. Highs 79 to 94 higher Elevations. 88 to 96 lower Elevations. Prevailing north Winds up to 10 Mph shifting to the south in the afternoon.

Tonight 18 Sep Shasta Lake Area / Northern Shasta County

Mostly cloudy. Lows 52 to 67 higher Elevations. 60 to 70 lower Elevations. Prevailing south Winds up to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Shasta National Forest Temperature Statistics

September Temperature

Mount Shasta (19.3 miles)

  • Lowest 15 September, 2025

    44.1 °F

  • Average September

    63.1 °F

  • Highest 1 September, 2025

    90 °F

Climate (2020–Present)

Mount Shasta (19.3 miles)

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

  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.7 °F
Get WillyWeather+ to remove ads