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Portsmouth Airport at Pease (PSM) Weather 11/20/2025

Portsmouth International  Airport at Pease (PSM) Weather
Mostly Clear

Tonight

28

Mostly Clear

Mostly Sunny

Friday

49

Mostly Sunny

Partly Cloudy then Slight Chance Showers

Friday Night

37

Partly Cloudy then Slight Chance Showers

Decreasing Clouds

Saturday

48

Decreasing Clouds

Mostly Clear

Saturday Night

27

Mostly Clear

Mostly Sunny

Sunday

44

Mostly Sunny

Partly Cloudy

Sunday Night

31

Partly Cloudy

Sunny

Monday

49

Sunny

Partly Cloudy

Monday Night

30

Partly Cloudy

Mostly Cloudy then Chance Showers

Tuesday

48

Mostly Cloudy then Chance Showers

Showers

Tuesday Night

37

Showers

Showers Likely

Wednesday

54

Showers Likely

Chance Showers

Wednesday Night

39

Chance Showers

Weekly Forecast

Tonight
Mostly clear, with a low around 28. Calm wind.
Friday
Mostly sunny, with a high near 49. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 37. Southwest wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 27. Northwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A 30 percent chance of showers after 4pm. Mostly cloudy, with a high near 48.
Tuesday Night
Showers. Low around 37. Chance of precipitation is 80%.
Wednesday
Showers likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.