Monday
Becoming sunny
High:
67°F
Partly sunny, then gradually becoming sunny, with a high near 67. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Portsmouth, NH Weather - Tomorrow’s Forecast
Monday Night
Clear
Overnight low:
42°F
Clear, with a low around 42. West wind around 10 mph, with gusts as high as 20 mph.