Harvard University Weather Forecast

    • 61
    • 78

    Increasing Clouds

    • 56
    • 84

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

    • 68
    • 91

    Partly Sunny

    • 58
    • 90

    Thunderstorms

    • 50
    • 72

    Partly Sunny

Today 16 May Southeast Middlesex

Sunny. Not as cool with Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 16 May Southeast Middlesex

Partly cloudy. A slight chance of Showers after midnight. Not as cool with Lows around 60. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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Harvard University Temperature Statistics

May Temperature

Boston, Logan International Airport (5 miles)

  • Lowest 9 May, 2026

    42.7 °F

  • Average May

    57.1 °F

  • Highest 5 May, 2026

    79.6 °F

Climate (2021–Present)

Boston, Logan International Airport (5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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