Hamilton Mountain Weather Forecast

    • 55
    • 69

    Mostly Sunny

    • 41
    • 62

    Breezy

    • 43
    • 58

    Sunny

    • 47
    • 61

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

    • 52
    • 63

    Mostly Sunny

Today 11 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Sunny. Highs 80 to 90. West Winds 10 to 15 Mph. Gusts up to 35 Mph in the afternoon.

Tonight 11 Sep Lassen-Eastern Plumas-Eastern Sierra Counties

Clear. Lows 43 to 53. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Hamilton Mountain Temperature Statistics

September Temperature

Chico Municipal Airport (64 miles)

  • Lowest 7 September, 2026

    53.6 °F

  • Average September

    66 °F

  • Highest 8 September, 2026

    95 °F

Climate (2021–2026)

Chico Municipal Airport (64 miles)

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  • Average Low 2021–2026

    52.8 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.9 °F
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