Portsmouth Weather Forecast

    • 54
    • 67

    Mostly Cloudy

    • 52
    • 73

    Chance Rain Showers

    • 54
    • 64

    Slight Chance Rain Showers

    • 55
    • 71

    Mostly Cloudy

    • 53
    • 66

    Partly Sunny

    • 58
    • 71

    Mostly Sunny

    • 57
    • 70

    Chance Rain Showers

Today 21 May Newport

Sunny. Highs in the lower 70s. North Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 21 May Newport

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

May Temperature

Newport, Newport State Airport (5 miles)

  • Lowest 8 May, 2018

    43 °F
  • Average May

    56.3 °F
  • Highest 2 May, 2018

    77 °F

Climate (2010–Present)

Newport, Newport State Airport (5 miles)

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  • Average Low 2010–Present

    43.1 °F
  • Average 2010–Present

    50.3 °F
  • Average High 2010–Present

    57.4 °F
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