Harvard Weather Forecast

    • 57
    • 77

    Increasing Clouds

    • 61
    • 74

    Rain Showers

    • 49
    • 74

    Chance Thunderstorms

    • 50
    • 71

    Sunny

    • 54
    • 78

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 60
    • 83

    Chance Rain Showers

Today 20 Jul Delaware

Mostly sunny. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 20 Jul Delaware

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Harvard Temperature Statistics

July Temperature

Monticello, Sullivan County International Airport (27.3 miles)

  • Lowest 8 July, 2026

    57 °F

  • Average July

    72.9 °F

  • Highest 2 July, 2026

    96.1 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (27.3 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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