Portsmouth Weather Forecast

    • 54
    • 80

    Partly Sunny

    • 56
    • 80

    Mostly Sunny

    • 63
    • 83

    Mostly Cloudy

    • 65
    • 87

    Slight Chance Thunderstorms

    • 70
    • 90

    Chance Rain Showers

    • 69
    • 91

    Slight Chance Thunderstorms

Today 22 Jul Scioto

Partly cloudy. Highs in the upper 70s. North Winds around 5 Mph.

Tonight 22 Jul Scioto

Mostly cloudy this Evening, then clearing. Cooler with Lows in the mid 50s. North Winds around 5 Mph.

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Portsmouth Temperature Statistics

July Temperature

Ashland Regional Airport (18.6 miles)

  • Lowest 20 July, 2026

    64.9 °F

  • Average July

    77.6 °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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