Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Partly Cloudy

78°F

26°C

Humidity 43%
Wind Speed W 13 G 17 mph
Barometer 29.51 in (999.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Jun 4:55 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 78. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 78 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely, mainly after 3pm.  Partly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 7pm.  Partly cloudy, with a low around 58. Calm wind.  Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: A chance of showers between 10am and 2pm, then rain likely after 2pm.  Partly sunny, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Chance
    Showers then
    Rain Likely

  • Monday Night

    Monday Night: Rain likely before 8pm, then showers, mainly after 8pm.  Low around 58. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 7am.  Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 78. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Increasing clouds, with a low around 58. West wind around 5 mph.
Sunday
Showers likely, mainly after 3pm. Partly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 7pm. Partly cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%.
Monday
A chance of showers between 10am and 2pm, then rain likely after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Monday Night
Rain likely before 8pm, then showers, mainly after 8pm. Low around 58. Chance of precipitation is 90%.
Tuesday
Showers likely, mainly before 7am. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth NH
 43.06°N 70.81°W (Elev. 56 ft)
2:17 pm EDT Jun 19, 2026
5pm EDT Jun 19, 2026-6pm EDT Jun 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database