Twain Weather Forecast

    • 45
    • 53

    Rain Showers

    • 42
    • 51

    Rain Showers

    • 40
    • 52

    Rain Showers

    • 37
    • 47

    Rain Showers

    • 34
    • 43

    Rain Showers

    • 26
    • 43

    Rain Showers

    • 23
    • 44

    Slight Chance Rain/Snow

Today 21 Dec Western Plumas County/Lassen Park

Heavy rain Showers. Breezy. Highs 40 to 55. Prevailing southwest Winds 15 to 25 Mph with Gusts to around 55 Mph.

Tonight 21 Dec Western Plumas County/Lassen Park

Heavy rain Showers and a slight chance of Thunderstorms until early Morning, then rain Showers likely late in the night. Breezy. Some Thunderstorms may produce heavy rainfall until early morning. Lows 32 to 47. Prevailing southwest Winds 10 to 25 Mph with Gusts to around 45 Mph.

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Twain Temperature Statistics

December Temperature

Nevada County Air Park (54.7 miles)

  • Lowest 4 December, 2025

    39.2 °F

  • Average December

    54.9 °F

  • Highest 11 December, 2025

    71.6 °F

Climate (2020–Present)

Nevada County Air Park (54.7 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    68.7 °F
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