Andover Weather Forecast

    • 42
    • 65

    Increasing Clouds

    • 44
    • 52

    Rain

    • 40
    • 65

    Partly Sunny

    • 41
    • 63

    Partly Sunny

    • 39
    • 63

    Mostly Cloudy

    • 42
    • 63

    Chance Rain Showers

    • 45
    • 62

    Chance Rain Showers

Today 19 Sep Merrimack

Mostly sunny. Near steady temperature in the mid 60s. Light and variable Winds.

Tonight 19 Sep Merrimack

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. Light and variable Winds.

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Andover Temperature Statistics

September Temperature

Laconia, Laconia Municipal Airport (21.7 miles)

  • Lowest 15 September, 2026

    43 °F

  • Average September

    64 °F

  • Highest 10 September, 2026

    81 °F

Climate (2021–2026)

Laconia, Laconia Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57 °F
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