Rancho Seco Weather Forecast

    • 59
    • 90

    Sunny

    • 62
    • 94

    Sunny

    • 65
    • 97

    Hot

    • 67
    • 97

    Mostly Sunny

    • 68
    • 96

    Sunny

    • 67
    • 95

    Sunny

Today 29 Sep Mojave Desert Slopes

Warmer, sunny. Highs 75 to 87. Northwest Winds 10 to 15 Mph. Gusts up to 60 Mph decreasing to 40 Mph in the afternoon.

Tonight 29 Sep Mojave Desert Slopes

Clear. Lows 57 to 65. Northwest Winds 5 to 15 Mph with Gusts to around 40 Mph.

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Rancho Seco Temperature Statistics

September Temperature

Mojave (17.4 miles)

  • Lowest 19 September, 2026

    52.5 °F

  • Average September

    75.8 °F

  • Highest 10 September, 2026

    101.1 °F

Climate (2021–2026)

Mojave (17.4 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.8 °F
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