Portsmouth Weather Forecast

    • 62
    • 84

    Becoming Sunny

    • 67
    • 85

    Mostly Sunny

    • 71
    • 86

    Chance Thunderstorms

    • 62
    • 82

    Chance Rain Showers

    • 59
    • 77

    Mostly Sunny

    • 58
    • 75

    Partly Sunny

    • 58
    • 74

    Partly Sunny

Today 20 Aug Coastal Rockingham

Mostly sunny. Highs in the mid 80s. West Winds around 10 Mph.

Tonight 20 Aug Coastal Rockingham

Mostly clear. Lows in the lower 60s. West Winds around 10 Mph in the Evening, becoming light and variable.

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Portsmouth Temperature Statistics

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