Londonderry Weather Forecast

    • 8
    • 22

    Becoming Sunny

    • 21
    • 29

    Chance Snow

    • 17
    • 39

    Partly Sunny

    • 1
    • 26

    Partly Sunny

    • -1
    • 11

    Partly Sunny

    • 2
    • 11

    Chance Snow

Today 20 Jan Interior Rockingham

Partly sunny. Highs in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as zero.

Tonight 20 Jan Interior Rockingham

Mostly clear. Lows around 8 above. West Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Wind chill Values as low as 3 below.

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Londonderry Temperature Statistics

January Temperature

Manchester Airport (5 miles)

  • Lowest 5 January, 2026

    10 °F

  • Average January

    29.3 °F

  • Highest 9 January, 2026

    50 °F

Climate (2021–Present)

Manchester Airport (5 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.9 °F
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