Past Weather in Merrimack — Graph
Merrimack Temperature Yesterday
Maximum temperature yesterday: 47 °F (at 10:25 am)
Minimum temperature yesterday: 40 °F (at 4:53 pm)
Average temperature yesterday: 42 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 77 °F (Nov 4, 1:53 pm) | 97% (Nov 6, 4:02 pm) | 30.55 "Hg (Nov 6, 4:02 pm) |
| Low | 26 °F (Nov 1, 4:53 am) | 27% (Nov 2, 12:53 pm) | 29.56 "Hg (Nov 12, 10:17 pm) |
| Average | 53 °F | 70% | 29.96 "Hg |
| * Reported Oct 29 10:53 am — Nov 13 9:15 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
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 9:15 am Fri, Nov 13 |
|
38 °F | Mostly cloudy. | 9 mph | ↑ | 83% | 29.60 "Hg | 10 mi |
| 8:53 am |
|
38 °F | Low clouds. | 7 mph | ↑ | 86% | 29.65 "Hg | 10 mi |
| 7:53 am |
|
36 °F | Light rain. Cloudy. | 9 mph | ↑ | 89% | 29.65 "Hg | 10 mi |
| 6:53 am |
|
36 °F | Light rain. Cloudy. | 7 mph | ↑ | 89% | 29.64 "Hg | 10 mi |
| 5:53 am |
|
35 °F | Light rain. Fog. | 9 mph | ↑ | 92% | 29.64 "Hg | 6 mi |
| 4:53 am |
|
35 °F | Light rain. Fog. | 7 mph | ↑ | 92% | 29.64 "Hg | 4 mi |
| 4:34 am |
|
36 °F | Rain. Fog. | 9 mph | ↑ | 89% | 29.59 "Hg | 4 mi |
| 3:53 am |
|
36 °F | Light rain. Fog. | 8 mph | ↑ | 89% | 29.63 "Hg | 6 mi |
| 2:53 am |
|
37 °F | Light rain. Fog. | 8 mph | ↑ | 89% | 29.62 "Hg | 6 mi |
| 1:53 am |
|
39 °F | Light rain. Fog. | 10 mph | ↑ | 86% | 29.61 "Hg | 6 mi |
| 12:53 am |
|
40 °F | Light rain. Fog. | 7 mph | ↑ | 86% | 29.60 "Hg | 6 mi |
| 11:53 pm Thu, Nov 12 |
|
41 °F | Light rain. Fog. | 12 mph | ↑ | 82% | 29.60 "Hg | 6 mi |
| 10:53 pm |
|
41 °F | Mostly cloudy. | 10 mph | ↑ | 86% | 29.60 "Hg | 10 mi |
| 10:17 pm |
|
40 °F | Mostly cloudy. | 10 mph | ↑ | 89% | 29.56 "Hg | 9 mi |
| 10:00 pm |
|
40 °F | Mostly cloudy. | 9 mph | ↑ | 89% | 29.57 "Hg | 9 mi |
| 8:53 pm |
|
40 °F | Overcast. | 10 mph | ↑ | 89% | 29.64 "Hg | 10 mi |
| 8:03 pm |
|
40 °F | Overcast. | 8 mph | ↑ | 89% | 29.61 "Hg | 10 mi |
| 6:53 pm |
|
40 °F | Low clouds. | 6 mph | ↑ | 89% | 29.66 "Hg | 9 mi |
| 5:53 pm |
|
40 °F | Fog. | 8 mph | ↑ | 89% | 29.68 "Hg | 6 mi |
| 4:53 pm |
|
40 °F | Overcast. | 9 mph | ↑ | 89% | 29.69 "Hg | 10 mi |
| 4:12 pm |
|
41 °F | Light rain. Mostly cloudy. | 9 mph | ↑ | 86% | 29.64 "Hg | 10 mi |
| 3:53 pm |
|
41 °F | Light rain. Mostly cloudy. | 9 mph | ↑ | 86% | 29.69 "Hg | 9 mi |
| 3:29 pm |
|
41 °F | Light rain. Cloudy. | 9 mph | ↑ | 89% | 29.66 "Hg | 8 mi |
| 3:20 pm |
|
41 °F | Light rain. Fog. | 8 mph | ↑ | 89% | 29.66 "Hg | 6 mi |
| 2:53 pm |
|
42 °F | Light rain. Mostly cloudy. | 7 mph | ↑ | 85% | 29.71 "Hg | 7 mi |
| 2:20 pm |
|
42 °F | Light rain. Mostly cloudy. | 9 mph | ↑ | 85% | 29.67 "Hg | 7 mi |
| 1:53 pm |
|
42 °F | Rain. Fog. | 9 mph | ↑ | 89% | 29.72 "Hg | 4 mi |
| 12:53 pm |
|
44 °F | Light rain. Overcast. | 7 mph | ↑ | 82% | 29.74 "Hg | 10 mi |
| 12:00 pm |
|
45 °F | Light rain. Overcast. | 5 mph | ↑ | 80% | 29.72 "Hg | 10 mi |
| 11:29 am |
|
46 °F | Light rain. Mostly cloudy. | 7 mph | ↑ | 77% | 29.72 "Hg | 10 mi |
| 11:21 am |
|
46 °F | Light rain. More clouds than sun. | 8 mph | ↑ | 77% | 29.73 "Hg | 10 mi |
| 10:53 am |
|
46 °F | Light rain. Overcast. | 5 mph | ↑ | 77% | 29.79 "Hg | 10 mi |
| 10:25 am |
|
47 °F | More clouds than sun. | 6 mph | ↑ | 71% | 29.74 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||