Portsmouth Airport at Pease (PSM) Weather 07/13/2026
Overnight
69
Chance T-storms
Wednesday
97
Chance T-storms then Mostly Sunny
Wednesday Night
76
Mostly Clear
Thursday
102
Hot
Thursday Night
78
Mostly Clear
Friday
100
Hot
Friday Night
74
Mostly Clear
Independence Day
93
Sunny then Chance T-storms
Saturday Night
69
Chance T-storms then Mostly Cloudy
Sunday
85
Mostly Sunny
Sunday Night
66
Chance Showers
Monday
81
Chance Showers
Monday Night
64
Partly Cloudy
Weekly Forecast
Overnight
A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 69. Southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Southwest wind around 10 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 76. Southwest wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 114. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. West wind around 5 mph.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 74.
Independence Day
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 93.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.