Current conditions at
Nashua - Boire Field Airport (KASH)
Lat: 42.78°NLon: 71.51°WElev: 180ft.
Fair
71°F
22°C
| Humidity | 59% |
| Wind Speed | NW 7 mph |
| Barometer | 29.72 in (1006.3 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 12 Oct 4:56 pm EDT |
Extended Forecast for
Merrimack NH
Tonight
Low: 49 °F
Patchy Fog
then Rain
Likely and
Patchy FogTuesday

High: 54 °F
Rain
Tuesday Night
Low: 54 °F
Rain Likely
and Patchy
Fog then
Chance Rain
and Patchy
FogWednesday

High: 73 °F
Partly Sunny
Wednesday Night

Low: 47 °F
Partly Cloudy
Thursday

High: 62 °F
Sunny
Thursday Night
Low: 39 °F
Partly Cloudy
then Chance
ShowersFriday

High: 60 °F
Showers
Friday Night
Low: 39 °F
Showers
Likely then
Chance
Showers
Detailed Forecast
Tonight
Rain likely, mainly after 2am. Patchy fog between 9pm and 1am. Otherwise, increasing clouds, with a low around 49. Northwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 54. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain likely, mainly before 1am. Patchy fog between 11pm and 3am. Otherwise, mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 73. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 47. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 62.
Thursday Night
A 30 percent chance of showers after 4am. Partly cloudy, with a low around 39.
Friday
Showers, mainly after 8am. High near 60. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 50. Breezy.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 62.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Merrimack NH
42.86°N 71.49°W (Elev. 118 ft)
42.86°N 71.49°W (Elev. 118 ft)
2:23 pm EDT Oct 12, 2026
5pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026


