Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Overcast

77°F

25°C

Humidity 55%
Wind Speed S 8 mph
Barometer 29.67 in (1004.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Jun 8:55 pm EDT
Extended Forecast for

Portsmouth NH

Coastal Flood Advisory until June 15, 01:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until June 15, 01:00am

    NOW until 1:00am Mon

    Coastal Flood Advisory

  • Tonight

    Low: 62 °F

    Isolated
    Showers then
    Showers

  • Monday

    Monday: Scattered showers, mainly before 8am.  Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Scattered
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. South wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 2pm.  Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 3am, then rain and possibly a thunderstorm between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 62. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Scattered showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 56. South wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Showers likely, mainly after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Juneteenth
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.05°N 70.78°W (Elev. 49 ft)
8:04 pm EDT Jun 14, 2026
9pm EDT Jun 14, 2026-6pm EDT Jun 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database