Harvard Weather Forecast

    • 54
    • 63

    Rain Showers

    • 50
    • 72

    Mostly Cloudy

    • 53
    • 74

    Mostly Sunny

    • 56
    • 76

    Rain Showers

    • 55
    • 76

    Rain Showers Likely

    • 55
    • 75

    Slight Chance Thunderstorms

Today 22 Jun Delaware

Showers with a chance of Thunderstorms. Highs in the lower 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 22 Jun Delaware

Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the mid 50s. Southeast Winds around 5 Mph, becoming northwest after midnight. Chance of rain 90 percent.

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Harvard Temperature Statistics

June Temperature

Monticello, Sullivan County International Airport (27.3 miles)

  • Lowest 2 June, 2026

    41 °F

  • Average June

    66.7 °F

  • Highest 11 June, 2026

    91 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (27.3 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55 °F
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