Webster Weather Forecast

    • 26
    • 40

    Gradual Clearing

    • 34
    • 46

    Rain

    • 31
    • 47

    Mostly Cloudy

    • 26
    • 46

    Chance Rain/Snow

    • 18
    • 39

    Chance Snow

    • 21
    • 38

    Mostly Cloudy

Today 19 Mar Merrimack

Mostly cloudy. Highs around 40. South Winds around 10 Mph.

Tonight 19 Mar Merrimack

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 20s. Light and variable Winds.

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Webster Temperature Statistics

March Temperature

Concord Municipal Airport (13.7 miles)

  • Lowest 3 March, 2026

    -0.3 °F

  • Average March

    34.3 °F

  • Highest 10 March, 2026

    71.1 °F

Climate (2021–Present)

Concord Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    60 °F
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