Great Bay - Nannie Island Weather Forecast

    • 64
    • 68

    Chance Thunderstorms

    • 61
    • 78

    Partly Sunny

    • 65
    • 83

    Partly Sunny

    • 65
    • 80

    Rain Showers Likely

    • 63
    • 82

    Mostly Sunny

    • 61
    • 81

    Partly Sunny

Today 28 Jun Coastal Rockingham

Cloudy with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. Light and variable Winds, becoming southeast around 10 Mph in the afternoon. Chance of rain 50 percent.

Tonight 28 Jun Coastal Rockingham

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Humid with Lows in the mid 60s. Light and variable Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Bay - Nannie Island Temperature Statistics

June Temperature

Pease Air Force Base / Portsmouth (2.5 miles)

  • Lowest 2 June, 2025

    47.1 °F

  • Average June

    68.6 °F

  • Highest 24 June, 2025

    100.4 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (2.5 miles)

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.3 °F
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