Grill Lake Weather Forecast

    • 50
    • 70

    Decreasing Clouds

    • 45
    • 71

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 55
    • 75

    Partly Sunny

    • 54
    • 77

    Partly Sunny

Today 13 Sep Western Greene

Partly sunny with a 20 percent chance of Showers. Near steady temperature in the upper 60s. Northwest Winds around 5 Mph.

Tonight 13 Sep Western Greene

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 50. West Winds around 5 Mph.

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Grill Lake Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (46 miles)

  • Lowest 2 September, 2025

    48.2 °F

  • Average September

    48.2 °F

  • Highest 2 September, 2025

    48.2 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (46 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    55.7 °F
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