Tunis Lake Weather Forecast

    • 48
    • 63

    Increasing Clouds

    • 48
    • 58

    Rain Showers Likely

    • 49
    • 56

    Rain Showers Likely

    • 50
    • 59

    Chance Rain Showers

    • 48
    • 62

    Mostly Cloudy

    • 51
    • 66

    Mostly Cloudy

Today 25 Sep Delaware

Partly sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 25 Sep Delaware

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tunis Lake Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (36.7 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 (36.7 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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