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

Hazardous Weather Conditions

Current conditions at

Manchester Airport (KMHT)

Lat: 42.93°NLon: 71.44°WElev: 223ft.

Fair

95°F

35°C

Humidity 41%
Wind Speed W 8 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 2 Jul 12:53 pm EDT
Extended Forecast for

Londonderry NH

Extreme Heat Warning July 2, 01:35pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 01:35pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. West wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 104. West wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. West wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 30 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 93. West wind 5 to 10 mph.

    High: 93 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 109. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 76. West wind around 5 mph.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 104. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 73. West wind around 5 mph.
Independence Day
A 30 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 93. West wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Londonderry NH
 42.86°N 71.37°W (Elev. 397 ft)
Last Update:
6:18 am EDT Jul 2, 2026
Forecast Valid:
1pm EDT Jul 2, 2026-6pm EDT Jul 8, 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