Portsmouth Weather Forecast
- 50
- 65
Partly Sunny
- 45
- 63
Partly Sunny
- 48
- 67
Partly Sunny
- 49
- 68
Partly Sunny
- 50
- 67
Mostly Cloudy
- 51
- 69
Partly Sunny
Today 25 Sep Coastal Rockingham
Cloudy with a chance of Sprinkles this Morning, then partly sunny this afternoon. Highs in the mid 60s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 25 Sep Coastal Rockingham
Partly cloudy. Lows around 50. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.
Portsmouth Temperature Statistics
September Temperature
Pease Air Force Base / Portsmouth (3.1 miles)
Lowest 21 September, 2023
50 °FAverage September
67.6 °FHighest 7 September, 2023
87.8 °F
Climate (2010–Present)
Pease Air Force Base / Portsmouth (3.1 miles)
Average Low 2010–Present
42.8 °FAverage 2010–Present
51.1 °FAverage High 2010–Present
59.7 °F