Hazardous Weather Conditions
Current conditions at
Manchester Airport (KMHT)
Lat: 42.93°NLon: 71.44°WElev: 223ft.
A Few Clouds
96°F
36°C
| Humidity | 30% |
| Wind Speed | W 7 mph |
| Barometer | 29.92 in (1013.8 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 96°F (36°C) |
| Last update | 16 Jul 4:53 pm EDT |
Extended Forecast for
Merrimack NH
Heat Advisory July 16, 06:51pm until July 17, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
Tonight
Low: 72 °F
Increasing
CloudsThursday
High: 89 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 69 °F
Chance
T-storms then
Partly CloudyFriday
High: 81 °F
Mostly Sunny
Friday Night
Low: 58 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 64 °F
Partly Cloudy
then Chance
ShowersSunday
High: 79 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
Tonight
Increasing clouds, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 89. Heat index values as high as 99. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then isolated showers between 11pm and midnight. Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 81. Northwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 64.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Merrimack NH
42.86°N 71.49°W (Elev. 118 ft)
42.86°N 71.49°W (Elev. 118 ft)
6:41 pm EDT Jul 16, 2025
6pm EDT Jul 16, 2025-6pm EDT Jul 23, 2025
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