New Castle Weather Forecast

    • 68
    • 87

    Increasing Clouds

    • 68
    • 81

    Chance Rain Showers

    • 67
    • 88

    Mostly Sunny

    • 68
    • 84

    Partly Sunny

    • 64
    • 82

    Chance Rain Showers

    • 64
    • 77

    Partly Sunny

    • 62
    • 77

    Chance Rain Showers

Today 7 Aug Coastal Rockingham

Mostly sunny with a slight chance of Showers with isolated Thunderstorms. Hot with Highs around 90. Light and variable Winds. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 7 Aug Coastal Rockingham

Mostly clear in the Evening, then mostly cloudy with a chance of Showers with isolated Thunderstorms after midnight. Patchy fog after midnight. Humid with Lows in the upper 60s. Light and variable Winds. Chance of rain 40 percent. Heat index Values in the mid 90s early in the evening.

Graph Plots Open in Graphs

  • 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)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads