New Castle Weather Forecast

    • 63
    • 85

    Mostly Sunny

    • 63
    • 84

    Chance Rain Showers

    • 60
    • 83

    Chance Rain Showers

    • 57
    • 76

    Chance Rain Showers

    • 59
    • 76

    Slight Chance Rain Showers

    • 61
    • 81

    Partly Sunny

    • 59
    • 79

    Chance Rain Showers

Today 9 Jun Coastal Rockingham

Mostly sunny. Warm with Highs in the upper 80s. West Winds around 10 Mph.

Tonight 9 Jun Coastal Rockingham

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

June Temperature

Pease Air Force Base / Portsmouth (5 miles)

  • Lowest 2 June, 2026

    45 °F

  • Average June

    66 °F

  • Highest 4 June, 2026

    85.8 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.1 °F
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