Portsmouth Weather Forecast

    • 39
    • 42

    Drizzle

    • 32
    • 54

    Chance Rain

    • 37
    • 56

    Sunny

    • 35
    • 60

    Chance Rain

    • 28
    • 46

    Rain Likely

    • 20
    • 41

    Chance Rain/Snow

Today 7 Mar Coastal Rockingham

Cloudy. Patchy drizzle in the morning. Areas of fog in the morning. Highs in the mid 40s. South Winds around 10 Mph.

Tonight 7 Mar Coastal Rockingham

Cloudy. Patchy drizzle in the Evening, then Areas of drizzle after midnight. Lows in the lower 40s. Southwest Winds around 10 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

March Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 2 March, 2026

    7.9 °F

  • Average March

    26.9 °F

  • Highest 4 March, 2026

    50.9 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (3.1 miles)

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

  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads