Unsettled in New England and the Southwest; Mild Across the Plains and Rockies

Unsettled weather, including periods of locally heavy rainfall, is expected to persist across portions of New England and the Southwest U.S. through much of the weekend. Elsewhere, mainly tranquil conditions are forecast. Well above normal temperatures are likely across parts of the northern and central Plains into the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Fog/Mist

71°F

22°C

Humidity 89%
Wind Speed SE 13 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 67°F (19°C)
Visibility 6.00 mi
Last update 24 Sep 5:56 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms, mainly between 9pm and 3am.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely then
    Chance
    T-storms and
    Patchy Fog

    Low: 58 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Areas of fog before 9am.  Otherwise, partly sunny, with a high near 72. Calm wind becoming northeast around 5 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Areas Fog
    then Chance
    Showers

    High: 72 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm.  Patchy fog.  Otherwise, mostly cloudy, with a low around 59. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely and
    Patchy Fog

    Low: 59 °F

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the morning.

    Chance
    Showers and
    Patchy Fog

    High: 74 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 54. West wind 5 to 10 mph.

    Mostly Clear

    Low: 54 °F

  • Monday

    Monday: Sunny, with a high near 70.

    Sunny

    High: 70 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Partly Cloudy

    Low: 52 °F

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms, mainly between 9pm and 3am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 72. Calm wind becoming northeast around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Patchy fog. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 30 percent chance of showers before 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 54. West wind 5 to 10 mph.
Monday
Sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 67.
Click Map For Forecast
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
2:53 pm EDT Sep 24, 2021
6pm EDT Sep 24, 2021-6pm EDT Oct 1, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database