Portsmouth Weather Forecast
- 60
- 74
Partly Sunny
- 64
- 77
Increasing Clouds
- 64
- 78
Mostly Sunny
- 66
- 82
Mostly Sunny
- 68
- 87
Mostly Sunny
- 67
- 87
Slight Chance Rain Showers
- 64
- 75
Chance Rain Showers
Today 27 Sep Norfolk
Mostly cloudy with a 40 percent chance of Showers. Highs in the lower 70s.
Tonight 27 Sep Norfolk
Partly cloudy. Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph early this evening.
Portsmouth Temperature Statistics
September Temperature
Norfolk, Naval Air Station (6.8 miles)
Lowest 25 September, 2026
62.1 °FAverage September
76.5 °FHighest 1 September, 2026
93 °F
Climate (2021–2026)
Norfolk, Naval Air Station (6.8 miles)
Average Low 2021–2026
55.2 °FAverage 2021–2026
63 °FAverage High 2021–2026
70.9 °F