Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

A Few Clouds

37°C

99°F

Humidity 37%
Wind Speed W 15 km/h
Barometer 1013.7 mb (29.93 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index41°C (105°F)
Last update 24 Jun 1:55 pm EDT
Extended Forecast for

New Castle NH

Extreme Heat Warning until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until June 24, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 37 °C

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 11am and noon.  Mostly sunny, with a high near 31. North wind 5 to 10 km/h becoming southeast in the afternoon.  Chance of precipitation is 20%.

    High: 31 °C

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. Southeast wind 5 to 10 km/h becoming north in the evening.

    Low: 16 °C

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 21. East wind around 10 km/h.

    High: 21 °C

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13.

    Low: 13 °C

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm.  Partly sunny, with a high near 21.

    High: 21 °C

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 14.

    Low: 14 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 37. West wind around 10 km/h.
Tonight
Mostly clear, with a low around 22. Calm wind.
Wednesday
A slight chance of showers between 11am and noon. Mostly sunny, with a high near 31. North wind 5 to 10 km/h becoming southeast in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 16. Southeast wind 5 to 10 km/h becoming north in the evening.
Thursday
Partly sunny, with a high near 21. East wind around 10 km/h.
Thursday Night
Mostly cloudy, with a low around 13.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 21.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 14.
Saturday
Showers likely. Mostly cloudy, with a high near 19. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 16.
Sunday
Mostly cloudy, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 28.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.07°N 70.75°W (Elev. 3 m)
12:48 pm EDT Jun 24, 2025
2pm EDT Jun 24, 2025-6pm EDT Jun 30, 2025
 
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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