Irishtown Weather Forecast

    • 61
    • 86

    Becoming Sunny

    • 63
    • 87

    Sunny

    • 64
    • 91

    Mostly Sunny

    • 65
    • 91

    Partly Sunny

    • 62
    • 84

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

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

Mostly cloudy in the morning then clearing. Highs 77 to 87. Light Winds becoming southwest up to 10 Mph in the afternoon.

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

Mostly clear. Lows 55 to 63. Southeast Winds up to 10 Mph in the evening becoming light.

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Irishtown Temperature Statistics

September Temperature

Chico Municipal Airport (12.4 miles)

  • Lowest 7 September, 2026

    53.6 °F

  • Average September

    68.8 °F

  • Highest 9 September, 2026

    102.2 °F

Climate (2021–2026)

Chico Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    52.8 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    74.9 °F
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