Monticello Weather Forecast

    • 28
    • 56

    Sunny

    • 31
    • 58

    Mostly Sunny

    • 41
    • 59

    Chance Rain Showers

    • 52
    • 72

    Slight Chance Thunderstorms

    • 53
    • 81

    Mostly Cloudy

    • 51
    • 71

    Chance Thunderstorms

    • 49
    • 72

    Slight Chance Thunderstorms

Today 25 Apr Sullivan

Sunny. Highs in the upper 50s. Northwest Winds around 5 Mph.

Tonight 25 Apr Sullivan

Clear. Lows in the upper 20s. Northeast Winds around 5 Mph.

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Monticello Temperature Statistics

April Temperature

Monticello, Sullivan County International Airport (6.2 miles)

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  • Average April

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Climate (2019–Present)

Monticello, Sullivan County International Airport (6.2 miles)

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  • Average Low 2019–2024

    39.1 °F

  • Average 2019–2024

    48.3 °F

  • Average High 2019–2024

    57.7 °F
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