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

Hazardous Weather Conditions

Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

76°F

24°C

Humidity 81%
Wind Speed W 9 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 1 Jul 8:55 am EDT
Extended Forecast for

Newmarket NH

Extreme Heat Warning July 1, 11:00am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: A 20 percent chance of showers before 11am. Mostly sunny and hot, with a high near 97. Heat index values as high as 110. West wind around 5 mph.

    High: 97 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 113. West wind around 5 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. West wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. West wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 30 percent chance of showers after 5pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 3pm. Partly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Mostly sunny and hot, with a high near 97. Heat index values as high as 110. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 76. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 113. West wind around 5 mph.
Thursday Night
Mostly clear, with a low around 78. West wind around 5 mph.
Friday
Sunny and hot, with a high near 100. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 74.
Independence Day
A 30 percent chance of showers after 5pm. Mostly sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers after 3pm. Partly sunny, with a high near 86.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newmarket NH
 43.07°N 70.93°W (Elev. 33 ft)
Last Update:
6:39 am EDT Jul 1, 2026
Forecast Valid:
9am EDT Jul 1, 2026-6pm EDT Jul 7, 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