Harvard Weather Forecast

    • 48
    • 73

    Rain Showers Likely

    • 55
    • 79

    Partly Sunny

    • 51
    • 79

    Slight Chance Rain Showers

    • 45
    • 69

    Partly Sunny

    • 45
    • 67

    Partly Sunny

    • 44
    • 67

    Partly Sunny

Today 25 May Delaware

Mostly cloudy. A slight chance of Showers late this morning. Highs in the mid 70s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 25 May Delaware

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harvard Temperature Statistics

May Temperature

Monticello, Sullivan County International Airport (27.3 miles)

  • Lowest 4 May, 2026

    30.9 °F

  • Average May

    55.3 °F

  • Highest 18 May, 2026

    90 °F

Climate (2021–Present)

Monticello, Sullivan County International Airport (27.3 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    55 °F
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