Grindstone Lake Weather Forecast

    • 50
    • 70

    Chance Rain Showers

    • 50
    • 72

    Rain Showers Likely

    • 50
    • 63

    Rain Showers Likely

    • 50
    • 66

    Mostly Cloudy

    • 47
    • 66

    Slight Chance Rain Showers

    • 46
    • 66

    Partly Sunny

Today 16 Sep Pine

Patchy fog in the morning. Mostly sunny. Highs around 70. Southeast Winds around 5 Mph.

Tonight 16 Sep Pine

Mostly cloudy with a 40 percent chance of Showers. Lows around 50. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grindstone Lake Temperature Statistics

September Temperature

Hinckley Field of Dreams Airport (8.1 miles)

  • Lowest 13 September, 2026

    41 °F

  • Average September

    67.7 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Hinckley Field of Dreams Airport (8.1 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    54.5 °F
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