Alder Springs Weather Forecast

    • 62
    • 77

    Sunny

    • 61
    • 80

    Sunny

    • 65
    • 82

    Mostly Sunny

    • 61
    • 78

    Slight Chance Rain Showers

    • 59
    • 71

    Chance Rain Showers

    • 60
    • 72

    Chance Rain Showers

    • 59
    • 75

    Mostly Sunny

Today 15 Sep Mountains Southwestern Shasta County to Western Colusa County

Sunny, warmer. Highs 70 to 85 higher Elevations. 86 to 91 lower Elevations. Prevailing northwest Winds up to 10 Mph shifting to the east in the afternoon.

Tonight 15 Sep Mountains Southwestern Shasta County to Western Colusa County

Clear. Lows 55 to 67 higher Elevations. 63 to 71 lower Elevations. Light Winds becoming west up to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Springs Temperature Statistics

September Temperature

Red Bluff, Red Bluff Municipal Airport (42.3 miles)

  • Lowest 7 September, 2025

    57.9 °F

  • Average September

    75.7 °F

  • Highest 1 September, 2025

    102 °F

Climate (2020–Present)

Red Bluff, Red Bluff Municipal Airport (42.3 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    78.1 °F
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