Sandown Weather Forecast

    • 59
    • 81

    Mostly Sunny

    • 53
    • 72

    Chance Rain Showers

    • 52
    • 70

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 54
    • 76

    Mostly Cloudy

    • 62
    • 74

    Chance Rain Showers

    • 55
    • 78

    Slight Chance Thunderstorms

Today 4 Sep Interior Rockingham

Partly sunny. Highs around 80. Northwest Winds around 10 Mph.

Tonight 4 Sep Interior Rockingham

Partly cloudy in the Evening, then clearing. Lows in the upper 50s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Sandown Temperature Statistics

September Temperature

Manchester Airport (12.4 miles)

  • Lowest 1 September, 2026

    61.6 °F

  • Average September

    65.7 °F

  • Highest 2 September, 2026

    72 °F

Climate (2021–2026)

Manchester Airport (12.4 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.9 °F
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