Heavy Rainfall for the Great Lakes and Mid-Atlantic Today; Hot Temperatures in Southern California

A slow moving cold front will gradually progress through the eastern third of the U.S. today through Thursday with possible severe weather and heavy rainfall which may bring flash flooding. Moderate Risks for excessive rainfall have been issued for the central Great Lakes into the central Appalachians, and Pennsylvania today and Thursday. A Heat Advisory is in effect for southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

71°F

22°C

Humidity 81%
Wind Speed SE 14 mph
Barometer 30.12 in (1020.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 22 Sep 4:56 pm EDT
Extended Forecast for

Portsmouth NH

  • Tonight

    Tonight: Patchy drizzle and fog after 8pm.  Mostly cloudy, with a low around 62. South wind 5 to 10 mph.

    Patchy
    Drizzle and
    Patchy Fog

    Low: 62 °F

  • Thursday

    Thursday: Patchy drizzle and fog before 10am, then a slight chance of showers between 10am and noon.  Mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Patchy
    Drizzle and
    Patchy Fog
    then Partly
    Sunny

    High: 75 °F

  • Thursday
    Night

    Thursday Night: Patchy drizzle and fog with a chance of showers.  Mostly cloudy, with a low around 64. Southeast wind around 10 mph.

    Chance
    Showers and
    Patchy Fog

    Low: 64 °F

  • Friday

    Friday: Rain likely before 9am, then scattered showers after 9am.  Cloudy, with a high near 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%.

    Rain Likely

    High: 74 °F

  • Friday
    Night

    Friday Night: Rain likely.  Mostly cloudy, with a low around 60. South wind 5 to 10 mph.  Chance of precipitation is 70%.

    Rain Likely

    Low: 60 °F

  • Saturday

    Saturday: Rain likely.  Mostly sunny, with a high near 75. Chance of precipitation is 60%.

    Rain Likely

    High: 75 °F

  • Saturday
    Night

    Saturday Night: Scattered showers, mainly before 2am.  Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 57 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    Mostly Sunny

    High: 74 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 53.

    Mostly Clear

    Low: 53 °F

Detailed Forecast

Tonight
Patchy drizzle and fog after 8pm. Mostly cloudy, with a low around 62. South wind 5 to 10 mph.
Thursday
Patchy drizzle and fog before 10am, then a slight chance of showers between 10am and noon. Mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Patchy drizzle and fog with a chance of showers. Mostly cloudy, with a low around 64. Southeast wind around 10 mph.
Friday
Rain likely before 9am, then scattered showers after 9am. Cloudy, with a high near 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
Rain likely. Mostly cloudy, with a low around 60. South wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday
Rain likely. Mostly sunny, with a high near 75. Chance of precipitation is 60%.
Saturday Night
Scattered showers, mainly before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Portsmouth NH
 43.07°N 70.78°W (Elev. 33 ft)
2:31 pm EDT Sep 22, 2021
5pm EDT Sep 22, 2021-6pm EDT Sep 29, 2021
 
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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