Bel Air Park Weather Forecast

    • 57
    • 84

    Slight Chance Thunderstorms

    • 57
    • 77

    Chance Thunderstorms

    • 53
    • 76

    Chance Thunderstorms

    • 47
    • 79

    Sunny

    • 49
    • 85

    Mostly Sunny

    • 50
    • 86

    Chance Rain Showers

    • 49
    • 78

    Partly Sunny

Today 18 Sep Central Siskiyou County

Sunny early this Morning, then partly cloudy with a slight chance of Thunderstorms late this afternoon. Highs in the lower to mid 80s. North Winds around 5 Mph.

Tonight 18 Sep Central Siskiyou County

Partly cloudy early this evening then becoming mostly cloudy. Slight chance of Thunderstorms early this evening. Lows in the mid 50s to lower 60s. North Winds 5 to 10 Mph shifting to the northeast well after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bel Air Park Temperature Statistics

September Temperature

Mount Shasta (7.5 miles)

  • Lowest 16 September, 2025

    43 °F

  • Average September

    63.1 °F

  • Highest 1 September, 2025

    90 °F

Climate (2020–Present)

Mount Shasta (7.5 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.7 °F
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