Twain Weather Forecast

    • 63
    • 94

    Increasing Clouds

    • 59
    • 94

    Mostly Sunny

    • 57
    • 93

    Sunny

    • 57
    • 95

    Sunny

    • 58
    • 94

    Sunny

    • 58
    • 96

    Sunny

Today 21 Jul Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft

Partly cloudy in the morning then clearing. Highs 87 to 97. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 21 Jul Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft

Mostly clear. Lows 68 to 78. Light Winds.

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Twain Temperature Statistics

July Temperature

Nevada County Air Park (54.7 miles)

  • Lowest 2 July, 2026

    60.8 °F

  • Average July

    77 °F

  • Highest 14 July, 2026

    91.4 °F

Climate (2021–2026)

Nevada County Air Park (54.7 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    68.6 °F
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