Portsmouth Weather Forecast

    • 38
    • 51

    Rain Showers

    • 36
    • 52

    Slight Chance Rain

    • 28
    • 49

    Chance Rain Showers

    • 33
    • 44

    Mostly Sunny

    • 42
    • 51

    Partly Sunny

    • 41
    • 57

    Partly Sunny

Today 5 Apr Newport

Cloudy. A slight chance of Showers in the Morning, then Showers with isolated Thunderstorms in the afternoon. Patchy fog in the morning. Cooler with Highs around 50. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 5 Apr Newport

Mostly cloudy. Showers in the evening. Lows in the upper 30s. West Winds around 10 Mph, becoming northwest after midnight. Gusts up to 25 Mph. Chance of rain 80 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

April Temperature

Newport, Newport State Airport (5 miles)

  • Lowest 2 April, 2026

    37.9 °F
  • Average April

    44 °F
  • Highest 1 April, 2026

    51.1 °F

Climate (2021–Present)

Newport, Newport State Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    45.1 °F
  • Average 2021–2026

    52.4 °F
  • Average High 2021–2026

    59.5 °F
Get WillyWeather+ to remove ads