Greenhorn Weather Forecast

    • 36
    • 59

    Mostly Cloudy

    • 35
    • 53

    Chance Rain

    • 33
    • 48

    Rain

    • 29
    • 51

    Partly Sunny

    • 31
    • 57

    Mostly Cloudy

    • 33
    • 60

    Partly Sunny

    • 34
    • 59

    Partly Sunny

Today 29 Oct Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Partly cloudy with a slight chance of rain. Highs 49 to 59.

Tonight 29 Oct Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft

Mostly cloudy. Widespread frost late in the night. Lows 32 to 42. Light Winds.

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Greenhorn Temperature Statistics

October Temperature

Emigrant Gap, Blue Canyon Nyack Airport (42.9 miles)

  • Lowest 13 October, 2026

    36.6 °F

  • Average October

    60.5 °F

  • Highest 3 October, 2026

    82.7 °F

Climate (2021–2026)

Emigrant Gap, Blue Canyon Nyack Airport (42.9 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    60.6 °F
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