Portsmouth Weather Forecast
- 63
- 81
Chance Thunderstorms
- 51
- 79
Rain Showers
- 44
- 65
Partly Sunny
- 56
- 73
Chance Rain
- 61
- 75
Rain
- 41
- 74
Rain
Today 6 Mar Scioto
Mostly sunny with a slight chance of Showers and Thunderstorms. Unseasonably warm with Highs in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.
Tonight 6 Mar Scioto
Mostly clear in the Evening, then becoming partly cloudy. Unseasonably warm with Lows in the lower 60s. South Winds 5 to 10 Mph.
Portsmouth Temperature Statistics
March Temperature
Ashland Regional Airport (18.6 miles)
Lowest 2 March, 2026
30.9 °FAverage March
44.7 °FHighest 4 March, 2026
57.9 °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
67.1 °F