Hopkinton Weather Forecast

    • 42
    • 73

    Increasing Clouds

    • 43
    • 65

    Partly Sunny

    • 48
    • 61

    Rain Likely

    • 44
    • 64

    Mostly Cloudy

    • 43
    • 58

    Slight Chance Rain Showers

    • 42
    • 59

    Partly Sunny

Today 18 Sep Merrimack

Patchy fog this morning. Mostly sunny. Highs in the lower 70s. Northwest Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 18 Sep Merrimack

Partly cloudy. Lows in the lower 40s. Northwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hopkinton Temperature Statistics

September Temperature

Concord Municipal Airport (8.7 miles)

  • Lowest 15 September, 2026

    39.7 °F

  • Average September

    64.8 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Concord Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60.2 °F
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