Hazardous Weather Conditions
Current conditions at
Manchester Airport (KMHT)
Lat: 42.93°NLon: 71.44°WElev: 223ft.
Partly Cloudy
85°F
29°C
| Humidity | 53% |
| Wind Speed | S 8 mph |
| Barometer | 30.01 in (1017.2 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 13 Jul 4:53 pm EDT |
Extended Forecast for
Merrimack NH
Tonight
Low: 66 °F
Partly Cloudy
then Patchy
FogMonday
High: 86 °F
Mostly Cloudy
then Showers
LikelyMonday Night
Low: 69 °F
Showers
Likely then
Slight Chance
ShowersTuesday
High: 91 °F
Hot
Tuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 93 °F
Hot
Wednesday Night
Low: 72 °F
Partly Cloudy
Thursday
High: 92 °F
Partly Sunny
then Chance
T-stormsThursday Night
Low: 72 °F
Chance
Showers then
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind.
Tuesday Night
Mostly clear, with a low around 68. Calm wind.
Wednesday
Sunny and hot, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 92.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Sunday
Partly sunny, with a high near 83.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
1:45 pm EDT Jul 13, 2025
5pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
