Portsmouth Airport at Pease (PSM) Weather 09/20/2025
Tonight
59
Clear
Friday
77
Sunny
Friday Night
45
Clear
Saturday
69
Sunny
Saturday Night
43
Mostly Clear
Sunday
70
Sunny
Sunday Night
48
Partly Cloudy
Monday
74
Sunny
Monday Night
56
Partly Cloudy
Tuesday
81
Mostly Sunny
Tuesday Night
59
Partly Cloudy
Wednesday
76
Mostly Sunny then Chance Showers
Wednesday Night
55
Chance Showers then Mostly Cloudy
Weekly Forecast
Tonight
Clear, with a low around 59. South wind around 5 mph becoming west after midnight.
Friday
Sunny, with a high near 77. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 45. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 69. North wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 43. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.