Sexsmith Lake Weather Forecast

    • 27
    • 33

    Mostly Cloudy

    • 15
    • 32

    Chance Snow Showers

    • 20
    • 29

    Snow Showers

    • 24
    • 36

    Rain/Snow Likely

    • 21
    • 31

    Chance Snow Showers

    • 32
    • 41

    Chance Rain/Snow

Today 20 Dec Delaware

Partly sunny late this Morning, then becoming mostly cloudy. Highs in the lower 30s. Southwest Winds 5 to 10 Mph.

Tonight 20 Dec Delaware

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sexsmith Lake Temperature Statistics

December Temperature

Monticello, Sullivan County International Airport (52.2 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    23.3 °F

  • Highest 18 December, 2025

    43 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (52.2 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    55.2 °F
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