Tunis Lake Weather Forecast

    • 46
    • 63

    Increasing Clouds

    • 44
    • 57

    Rain

    • 39
    • 57

    Chance Rain Showers

    • 38
    • 55

    Slight Chance Rain Showers

    • 38
    • 56

    Chance Rain Showers

    • 40
    • 56

    Chance Rain Showers

Today 19 Sep Delaware

Partly sunny. Highs in the upper 60s. East Winds around 5 Mph, becoming southeast this afternoon.

Tonight 19 Sep Delaware

Partly cloudy in the Evening, then mostly cloudy with a chance of rain after midnight. Lows in the upper 40s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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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

    64.6 °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

    55.2 °F
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