National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

A Few Clouds

73°F

23°C

Humidity 63%
Wind Speed SW 3 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Aug 7:55 pm EDT
Extended Forecast for

Newmarket NH

  • Tonight

    Tonight: Mostly clear, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. West wind around 5 mph.
Wednesday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 84. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 65. Southwest wind around 5 mph. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 82.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newmarket NH
 43.07°N 70.96°W (Elev. 89 ft)
Last Update:
8:16 pm EDT Aug 25, 2026
Forecast Valid:
8pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation