Merriman Dam Weather Forecast

    • 49
    • 51

    Rain

    • 53
    • 75

    Rain

    • 58
    • 80

    Mostly Cloudy

    • 56
    • 81

    Partly Sunny

    • 50
    • 75

    Partly Sunny

    • 49
    • 70

    Partly Sunny

Today 24 May Western Ulster

Rain. Highs in the upper 40s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 24 May Western Ulster

Cloudy. A chance of Showers in the Evening, then rain likely after midnight. Patchy fog. Lows in the upper 40s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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Merriman Dam Temperature Statistics

May Temperature

Monticello, Sullivan County International Airport (20.5 miles)

  • Lowest 4 May, 2026

    30.9 °F

  • Average May

    55.7 °F

  • Highest 18 May, 2026

    90 °F

Climate (2021–Present)

Monticello, Sullivan County International Airport (20.5 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    55 °F
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