New Castle Weather Forecast

    • 30
    • 42

    Becoming Sunny

    • 36
    • 48

    Slight Chance Rain Showers

    • 39
    • 55

    Rain

    • 20
    • 46

    Partly Sunny

    • 24
    • 36

    Partly Sunny

    • 28
    • 42

    Partly Sunny

    • 32
    • 49

    Partly Sunny

Today 24 Mar Coastal Rockingham

Mostly sunny. Highs in the mid 40s. Light and variable Winds.

Tonight 24 Mar Coastal Rockingham

Partly cloudy. Lows around 30. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

New Castle Temperature Statistics

March Temperature

Pease Air Force Base / Portsmouth (5 miles)

  • Lowest 2 March, 2026

    7.9 °F

  • Average March

    37.3 °F

  • Highest 10 March, 2026

    72.7 °F

Climate (2021–Present)

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