


Hazardous Weather Conditions
Current conditions at
Nashua - Boire Field Airport (KASH)
Lat: 42.78°NLon: 71.51°WElev: 180ft.
Fair
76°F
24°C
Humidity | 85% |
Wind Speed | SE 3 mph |
Barometer | 30.03 in (1016.8 mb) |
Dewpoint | 71°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 77°F (25°C) |
Last update | 15 Jul 11:56 pm EDT |
Extended Forecast for
2 Miles WSW Merrimack NH
Heat Advisory July 16, 12:17am until July 16, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Overnight
Low: 68 °F
Patchy Fog
Wednesday
High: 93 °F
Patchy Fog
then HazeWednesday Night
Low: 72 °F
Partly Cloudy
then Isolated
Showers and
Patchy FogThursday
High: 90 °F
Showers
Likely and
Patchy FogThursday Night
Low: 72 °F
Chance
T-storms then
Partly CloudyFriday
High: 83 °F
Mostly Sunny
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 84 °F
Mostly Sunny
Detailed Forecast
Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 68. Calm wind.
Wednesday
Widespread haze. Patchy fog before 8am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming southwest around 5 mph.
Wednesday Night
Isolated showers after 2am. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, partly sunny and hot, with a high near 90. Heat index values as high as 99. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 72. West wind around 5 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 62.
Sunday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Merrimack NH
42.86°N 71.52°W (Elev. 207 ft)
42.86°N 71.52°W (Elev. 207 ft)
7:24 pm EDT Jul 15, 2025
12am EDT Jul 16, 2025-6pm EDT Jul 22, 2025