Portsmouth Weather Forecast

    • 68
    • 90

    Chance Thunderstorms

    • 69
    • 88

    Rain Showers Likely

    • 67
    • 85

    Rain Showers

    • 65
    • 85

    Rain Showers Likely

    • 65
    • 86

    Chance Thunderstorms

    • 66
    • 88

    Mostly Sunny

Today 8 Jul Scioto

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. Light and variable Winds, becoming west around 5 Mph late. Chance of rain 50 percent.

Tonight 8 Jul Scioto

Partly cloudy with a chance of Showers and Thunderstorms. Muggy. Lows in the upper 60s. Light and variable Winds, becoming southwest around 5 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

July Temperature

Ashland Regional Airport (18.6 miles)

  • Lowest 1 July, 2026

    68 °F

  • Average July

    80.3 °F

  • Highest 3 July, 2026

    97 °F

Climate (2021–2026)

Ashland Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    67.4 °F
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