Portsmouth Weather Forecast
- 48
- 78
Becoming Sunny
- 52
- 78
Sunny
- 48
- 75
Partly Sunny
- 53
- 72
Mostly Cloudy
- 53
- 74
Chance Rain
- 53
- 73
Chance Rain
- 56
- 75
Chance Rain
Today 28 Oct Scioto
Partly cloudy with a 40 percent chance of rain. Highs in the lower 70s.
Tonight 28 Oct Scioto
Clear. Lows in the upper 40s. Light and variable Winds.
Portsmouth Temperature Statistics
October Temperature
Ashland Regional Airport (18.6 miles)
Lowest 18 October, 2026
37.9 °FAverage October
56.3 °FHighest 14 October, 2026
86 °F
Climate (2021–2026)
Ashland Regional Airport (18.6 miles)
Average Low 2021–2026
46.1 °FAverage 2021–2026
56.2 °FAverage High 2021–2026
67.4 °F