Sexsmith Lake Weather Forecast

    • 47
    • 68

    Decreasing Clouds

    • 48
    • 70

    Partly Sunny

    • 56
    • 72

    Mostly Cloudy

    • 63
    • 75

    Rain Showers Likely

    • 49
    • 70

    Chance Rain Showers

    • 47
    • 64

    Mostly Sunny

Today 6 Sep Delaware

Partly sunny. Highs around 70. North Winds around 5 Mph.

Tonight 6 Sep Delaware

Mostly clear. Patchy fog after midnight. Lows in the upper 40s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Sexsmith Lake Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (52.2 miles)

  • Lowest 2 September, 2026

    61 °F

  • Average September

    68.1 °F

  • Highest 3 September, 2026

    81 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (52.2 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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