Grantville Weather Forecast

    • 66
    • 81

    Mostly Cloudy

    • 62
    • 84

    Chance Rain Showers

    • 52
    • 75

    Mostly Sunny

    • 58
    • 75

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 61
    • 82

    Chance Rain Showers

Today 12 Sep Dauphin

Mostly cloudy. Highs around 80. East Winds 5 to 10 Mph, becoming southeast with Gusts up to 20 Mph this afternoon.

Tonight 12 Sep Dauphin

Showers with a chance of Thunderstorms. Humid with Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantville Temperature Statistics

September Temperature

Muir Army Air Field / Indiantown (5.6 miles)

  • Lowest 8 September, 2026

    55.4 °F

  • Average September

    73.8 °F

  • Highest 1 September, 2026

    92.1 °F

Climate (2021–2026)

Muir Army Air Field / Indiantown (5.6 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.1 °F
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