Star Island Weather Forecast

    • 68
    • 74

    Slight Chance Thunderstorms

    • 65
    • 72

    Chance Thunderstorms

    • 65
    • 70

    Partly Sunny

    • 67
    • 74

    Partly Sunny

    • 65
    • 71

    Mostly Cloudy

    • 65
    • 69

    Chance Rain Showers

Today 27 Aug Coastal Rockingham

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 27 Aug Coastal Rockingham

Partly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the upper 60s. South Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Star Island Temperature Statistics

August Temperature

Pease Air Force Base / Portsmouth (12.4 miles)

  • Lowest 16 August, 2026

    56.1 °F

  • Average August

    73.6 °F

  • Highest 7 August, 2026

    91.4 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (12.4 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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