Chester Weather Forecast

    • 31
    • 57

    Partly Sunny

    • 29
    • 56

    Partly Sunny

    • 27
    • 56

    Partly Sunny

    • 32
    • 58

    Partly Sunny

    • 34
    • 61

    Partly Sunny

    • 34
    • 62

    Partly Sunny

Today 5 Dec Western Plumas County/Lassen Park

Areas of frost and patchy fog in the morning. Mostly sunny. Not as cool. Highs 47 to 62. Light Winds.

Tonight 5 Dec Western Plumas County/Lassen Park

Mostly clear. At higher Elevations, a slight chance of rain Showers in the evening. Patchy fog and frost after midnight. Lows 31 to 46. Light Winds.

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Chester Temperature Statistics

December Temperature

Chico Municipal Airport (47.8 miles)

  • Lowest 2 December, 2025

    37.4 °F

  • Average December

    44.1 °F

  • Highest 2 December, 2025

    57.2 °F

Climate (2020–Present)

Chico Municipal Airport (47.8 miles)

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  • Average Low 2020–2025

    52.4 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    75.1 °F
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