Grantville Weather Forecast

    • 64
    • 77

    Rain Showers Likely

    • 58
    • 81

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 64
    • 83

    Chance Rain Showers

    • 65
    • 82

    Chance Thunderstorms

Today 22 Aug Dauphin

Mostly cloudy with a 50 percent chance of Showers. Humid with Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 22 Aug Dauphin

Mostly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantville Temperature Statistics

August Temperature

Muir Army Air Field / Indiantown (5.6 miles)

  • Lowest 4 August, 2026

    60.6 °F

  • Average August

    76.4 °F

  • Highest 9 August, 2026

    91 °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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