Portsmouth Weather Forecast

    • 40
    • 56

    Partly Sunny

    • 42
    • 58

    Chance Rain

    • 39
    • 56

    Partly Sunny

    • 53
    • 64

    Rain Likely

    • 45
    • 66

    Rain Likely

    • 31
    • 53

    Slight Chance Rain

Today 5 Jan Scioto

Mostly sunny early this Morning, then becoming partly cloudy. Warmer with Highs in the mid 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest 5 to 10 Mph late.

Tonight 5 Jan Scioto

Partly cloudy. Warmer with Lows in the upper 30s. Southwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

January Temperature

Ashland Regional Airport (18.6 miles)

  • Lowest 1 January, 2026

    26.1 °F

  • Average January

    31.7 °F

  • Highest 1 January, 2026

    37.9 °F

Climate (2021–Present)

Ashland Regional Airport (18.6 miles)

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

  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    67.1 °F
Get WillyWeather+ to remove ads