Currently: 17 °F. Partly sunny. (Weather station: Manchester Airport, USA). See more current weatherPast Weather in Merrimack — Graph
Merrimack Temperature Yesterday
Maximum temperature yesterday: 22 °F (at 1:53 pm)
Minimum temperature yesterday: 9 °F (at 10:53 pm)
Average temperature yesterday: 16 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 50 °F (Jan 9, 11:53 pm) | 100% (Jan 15, 8:04 am) | 30.54 "Hg (Jan 15, 8:04 am) |
| Low | 1 °F (Jan 21, 5:53 am) | 25% (Jan 16, 12:53 pm) | 29.26 "Hg (Jan 15, 2:30 pm) |
| Average | 31 °F | 75% | 29.92 "Hg |
| * Reported Jan 6 10:53 am — Jan 21 10:53 am, Merrimack. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Merrimack Weather History for the Previous 24 Hours
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 10:53 am Wed, Jan 21 | | 17 °F | Partly sunny. | 9 mph | ↑ | 47% | 30.50 "Hg | 10 mi |
| 9:53 am |  | 14 °F | Scattered clouds. | 5 mph | ↑ | 53% | 30.52 "Hg | 10 mi |
| 8:53 am | | 10 °F | Passing clouds. | No wind | ↑ | 58% | 30.54 "Hg | 10 mi |
| 7:53 am | | 5 °F | Scattered clouds. | No wind | ↑ | 69% | 30.53 "Hg | 10 mi |
| 6:53 am |  | 6 °F | Clear. | 7 mph | ↑ | 66% | 30.52 "Hg | 10 mi |
| 5:53 am | | 1 °F | Clear. | No wind | ↑ | 79% | 30.51 "Hg | 10 mi |
| 4:53 am | | 3 °F | Clear. | 5 mph | ↑ | 72% | 30.50 "Hg | 10 mi |
| 3:53 am | | 5 °F | Clear. | 5 mph | ↑ | 66% | 30.48 "Hg | 10 mi |
| 2:53 am | | 9 °F | Clear. | 7 mph | ↑ | 58% | 30.48 "Hg | 10 mi |
| 1:53 am | | 10 °F | Clear. | 8 mph | ↑ | 55% | 30.46 "Hg | 10 mi |
| 12:53 am | | 9 °F | Clear. | 8 mph | ↑ | 55% | 30.45 "Hg | 10 mi |
| 11:53 pm Tue, Jan 20 | | 11 °F | Clear. | 7 mph | ↑ | 51% | 30.44 "Hg | 10 mi |
| 10:53 pm | | 9 °F | Clear. | 5 mph | ↑ | 55% | 30.43 "Hg | 10 mi |
| 9:53 pm | | 12 °F | Clear. | 7 mph | ↑ | 48% | 30.41 "Hg | 10 mi |
| 8:53 pm | | 13 °F | Clear. | 9 mph | ↑ | 49% | 30.38 "Hg | 10 mi |
| 7:53 pm | | 13 °F | Clear. | 6 mph | ↑ | 51% | 30.37 "Hg | 10 mi |
| 6:53 pm | | 15 °F | Clear. | 5 mph | ↑ | 46% | 30.35 "Hg | 10 mi |
| 5:53 pm | | 16 °F | Clear. | 7 mph | ↑ | 43% | 30.32 "Hg | 10 mi |
| 4:53 pm |  | 18 °F | Passing clouds. | 9 mph | ↑ | 39% | 30.26 "Hg | 10 mi |
| 3:53 pm | | 20 °F | Passing clouds. | 12 mph | ↑ | 38% | 30.22 "Hg | 10 mi |
| 2:53 pm | | 20 °F | Scattered clouds. | 16 mph | ↑ | 40% | 30.21 "Hg | 10 mi |
| 1:53 pm | | 22 °F | Partly sunny. | 15 mph | ↑ | 40% | 30.18 "Hg | 10 mi |
| 12:53 pm | | 19 °F | Partly sunny. | 13 mph | ↑ | 47% | 30.16 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||