Stuart Lake Weather Forecast

    • 44
    • 63

    Partly Sunny

    • 49
    • 65

    Partly Sunny

    • 49
    • 61

    Rain Showers Likely

    • 50
    • 58

    Chance Rain Showers

    • 48
    • 62

    Mostly Cloudy

    • 49
    • 65

    Partly Sunny

Today 24 Sep Delaware

Sunny. Highs in the mid 60s. Northeast Winds around 5 Mph.

Tonight 24 Sep Delaware

Mostly clear. Lows in the lower 40s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stuart Lake Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 15 September, 2026

    42.1 °F

  • Average September

    63.5 °F

  • Highest 3 September, 2026

    81 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (24.9 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    55.1 °F
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