Brownsville Airport Weather Forecast

    • 61
    • 83

    Chance Rain Showers

    • 60
    • 73

    Chance Rain Showers

    • 61
    • 80

    Mostly Sunny

    • 63
    • 83

    Sunny

    • 64
    • 87

    Mostly Sunny

    • 60
    • 78

    Chance Rain Showers

Today 18 Sep Motherlode

Mostly cloudy. Highs 79 to 89. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 18 Sep Motherlode

Cloudy. A slight chance of rain Showers in the Evening, then a chance of rain Showers and a slight chance of Thunderstorms after midnight. Cooler. Lows 57 to 67. Light Winds.

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Brownsville Airport Temperature Statistics

September Temperature

Oroville Municipal Airport (17.4 miles)

  • Lowest 7 September, 2025

    59 °F

  • Average September

    75.5 °F

  • Highest 1 September, 2025

    100 °F

Climate (2020–Present)

Oroville Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    77.1 °F
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