Mountain Lake Weather Forecast

    • 59
    • 81

    Rain Showers

    • 56
    • 75

    Rain Showers Likely

    • 55
    • 69

    Rain Showers Likely

    • 57
    • 73

    Chance Thunderstorms

    • 60
    • 78

    Chance Rain Showers

    • 61
    • 81

    Chance Thunderstorms

Today 4 Jul Delaware

Partly sunny with a slight chance of Showers this Morning, then mostly cloudy with Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Highs in the mid 80s. Northwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 4 Jul Delaware

A chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Some Thunderstorms may produce gusty Winds in the evening. Lows in the lower 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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Mountain Lake Temperature Statistics

July Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 1 July, 2026

    66.9 °F

  • Average July

    79.2 °F

  • Highest 1 July, 2026

    93.9 °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

    45.8 °F

  • Average High 2021–2026

    55 °F
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