Current conditions at
Nashua - Boire Field Airport (KASH)
Lat: 42.78°NLon: 71.51°WElev: 180ft.
Fair
48°F
9°C
| Humidity | 71% |
| Wind Speed | W 3 mph |
| Barometer | 29.90 in (1012.5 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 7:56 pm EDT |
Extended Forecast for
Merrimack NH
Tonight
Low: 40 °F
Clear
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 36 °F
Clear then
Areas FrostWednesday
High: 67 °F
Areas Frost
then SunnyWednesday Night
Low: 49 °F
Mostly Clear
Thursday
High: 73 °F
Sunny
Thursday Night
Low: 46 °F
Mostly Clear
Friday
High: 67 °F
Sunny
Friday Night
Low: 43 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 40. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 59. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36. West wind around 5 mph becoming calm in the evening.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 48.
Columbus Day
Mostly sunny, with a high near 69.
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)
2:20 pm EDT Oct 5, 2026
8pm EDT Oct 5, 2026-6pm EDT Oct 12, 2026
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