Harvard Weather Forecast

    • 11
    • 22

    Chance Snow Showers

    • 11
    • 25

    Chance Snow Showers

    • 13
    • 30

    Snow Showers Likely

    • 10
    • 18

    Chance Snow Showers

    • 12
    • 20

    Chance Snow Showers

    • 14
    • 26

    Mostly Cloudy

Today 11 Dec Delaware

Mostly cloudy with scattered snow Showers. Areas of blowing snow. Highs in the lower 20s. West Winds around 15 Mph with Gusts up to 30 Mph. Chance of snow 50 percent.

Tonight 11 Dec Delaware

Areas of blowing snow this evening. Partly cloudy with scattered snow Showers this Evening, then mostly cloudy with a slight chance of snow Showers after midnight. Lows 10 to 15. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of snow 50 percent.

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Harvard Temperature Statistics

December Temperature

Monticello, Sullivan County International Airport (27.3 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    22.9 °F

  • Highest 1 December, 2025

    35.1 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (27.3 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    55.2 °F
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