New Castle Weather Forecast

    • 68
    • 87

    Increasing Clouds

    • 68
    • 81

    Chance Rain Showers

    • 67
    • 88

    Mostly Sunny

    • 68
    • 84

    Partly Sunny

    • 66
    • 81

    Chance Rain Showers

    • 65
    • 78

    Partly Sunny

Today 7 Aug Coastal Rockingham

Patchy fog in the morning. Mostly sunny. Warm with Highs in the upper 80s. Light and variable Winds. Heat index Values in the upper 90s.

Tonight 7 Aug Coastal Rockingham

Mostly clear. Patchy fog. Lows in the lower 70s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

August Temperature

Pease Air Force Base / Portsmouth (5 miles)

  • Lowest 5 August, 2026

    62.8 °F

  • Average August

    75.2 °F

  • Highest 5 August, 2026

    88 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (5 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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