Portsmouth Weather Forecast
- 32
- 53
Mostly Sunny
- 52
- 67
Mostly Cloudy
- 61
- 73
Slight Chance Rain Showers
- 57
- 83
Rain Showers Likely
- 46
- 73
Rain Showers Likely
- 51
- 60
Rain Showers Likely
Today 28 Mar Scioto
Sunny. Highs in the lower 50s. North Winds around 5 Mph.
Tonight 28 Mar Scioto
Mostly clear. Lows in the lower 30s. Light and variable Winds, becoming southeast around 5 Mph after midnight.
Portsmouth Temperature Statistics
March Temperature
Ashland Regional Airport (18.6 miles)
Lowest 18 March, 2026
19.9 °FAverage March
52.9 °FHighest 22 March, 2026
89.1 °F
Climate (2021–Present)
Ashland Regional Airport (18.6 miles)
Average Low 2021–2026
46.1 °FAverage 2021–2026
55.9 °FAverage High 2021–2026
67.2 °F