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.

Partly Cloudy

92°F

33°C

Humidity 27%
Wind Speed NE 5 mph
Barometer 30.00 in (1016.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 12 Aug 12:53 pm EDT
Extended Forecast for

East Merrimack NH

Heat Advisory August 12, 01:21pm until August 12, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 12, 01:21pm until August 12, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after 3am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 70 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 89 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Scattered
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph.
Tonight
Clear, with a low around 67. Calm wind.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Scattered showers, mainly after 3am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
Scattered showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny and hot, with a high near 93.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Merrimack NH
 42.86°N 71.49°W (Elev. 118 ft)
Last Update:
8:13 am EDT Aug 12, 2025
Forecast Valid:
1pm EDT Aug 12, 2025-6pm EDT Aug 18, 2025
 
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