Sentinel Mountain State Forest Weather Forecast

    • 52
    • 72

    Mostly Cloudy

    • 46
    • 69

    Chance Rain Showers

    • 44
    • 67

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 47
    • 69

    Mostly Cloudy

    • 54
    • 69

    Rain Showers Likely

    • 45
    • 70

    Chance Rain Showers

Today 4 Sep Northern Grafton

Partly sunny with a 20 percent chance of Showers. Highs in the lower 70s. Northwest Winds around 10 Mph.

Tonight 4 Sep Northern Grafton

Partly cloudy. A slight chance of Showers in the evening. Patchy fog after midnight. Lows in the mid 50s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sentinel Mountain State Forest Temperature Statistics

September Temperature

Plymouth Municipal Airport (14.3 miles)

  • Lowest 1 September, 2026

    49.1 °F

  • Average September

    63 °F

  • Highest 1 September, 2026

    75.4 °F

Climate (2021–2026)

Plymouth Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    57 °F
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