Forsan Weather Forecast

    • 72
    • 88

    Rain Showers

    • 64
    • 87

    Rain Showers

    • 60
    • 84

    Partly Sunny

    • 56
    • 73

    Chance Rain Showers

    • 58
    • 73

    Slight Chance Rain Showers

    • 57
    • 75

    Chance Rain Showers

Today 29 Sep Howard

Mostly cloudy with isolated Showers. Isolated Thunderstorms this afternoon. Some Thunderstorms may produce damaging Winds this afternoon. Highs in the upper 80s. Southeast Winds 10 to 20 Mph. Chance of rain 20 percent.

Tonight 29 Sep Howard

Mostly cloudy. Scattered Showers with isolated Thunderstorms. Some Thunderstorms may produce damaging Winds in the evening. Lows in the lower 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Forsan Temperature Statistics

September Temperature

Big Spring, Big Spring McMahon-Wrinkle Airport (10.6 miles)

  • Lowest 20 September, 2026

    66 °F

  • Average September

    84.7 °F

  • Highest 12 September, 2026

    104.2 °F

Climate (2021–2026)

Big Spring, Big Spring McMahon-Wrinkle Airport (10.6 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    66.6 °F

  • Average High 2021–2026

    79.6 °F
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