Tusten Mountain Lake Weather Forecast

    • 62
    • 79

    Patchy Fog

    • 60
    • 79

    Rain Showers Likely

    • 46
    • 75

    Partly Sunny

    • 51
    • 68

    Rain Showers

    • 50
    • 66

    Rain Showers Likely

    • 49
    • 65

    Chance Rain Showers

    • 48
    • 63

    Chance Rain Showers

Today 16 Sep Sullivan

Partly sunny with a 30 percent chance of Showers. Highs in the mid 60s.

Tonight 16 Sep Sullivan

Partly cloudy. Patchy fog. Lows in the lower 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tusten Mountain Lake Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (14.9 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    65.3 °F

  • Highest 3 September, 2026

    81 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (14.9 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    55.2 °F
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