Hour-by-hour Forecast in Merrimack — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 11:00 am Fri, Dec 5 |  | 18 °F | Sunny. | 10 °F | 6 mph | ↑ | 44% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 21 °F | Sunny. | 13 °F | 7 mph | ↑ | 40% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 23 °F | Sunny. | 14 °F | 8 mph | ↑ | 38% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm |  | 24 °F | Scattered clouds. | 16 °F | 7 mph | ↑ | 38% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm |  | 24 °F | Broken clouds. | 18 °F | 5 mph | ↑ | 41% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm |  | 22 °F | Overcast. | 16 °F | 4 mph | ↑ | 49% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm |  | 20 °F | Overcast. | 15 °F | 4 mph | ↑ | 55% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 17 °F | Overcast. | 13 °F | 3 mph | ↑ | 61% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 15 °F | Overcast. | 15 °F | 3 mph | ↑ | 68% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm | | 13 °F | Overcast. | 8 °F | 3 mph | ↑ | 75% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 11 °F | Overcast. | 5 °F | 3 mph | ↑ | 82% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 11 °F | Overcast. | 5 °F | 4 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 13 °F | Broken clouds. | 7 °F | 3 mph | ↑ | 81% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Sat, Dec 6 |  | 13 °F | Partly cloudy. | 13 °F | 2 mph | ↑ | 83% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 am | | 12 °F | Broken clouds. | 12 °F | 2 mph | ↑ | 87% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 am | | 12 °F | Mostly cloudy. | 12 °F | 2 mph | ↑ | 91% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 13 °F | Mostly cloudy. | 13 °F | 1 mph | ↑ | 95% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 15 °F | Overcast. | 15 °F | 1 mph | ↑ | 91% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 15 °F | Overcast. | 15 °F | 1 mph | ↑ | 96% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 15 °F | Overcast. | 15 °F | 1 mph | ↑ | 97% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 15 °F | Overcast. | 15 °F | 1 mph | ↑ | 97% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am | | 20 °F | Overcast. | 20 °F | 3 mph | ↑ | 76% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 24 °F | Overcast. | 19 °F | 4 mph | ↑ | 67% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am | | 28 °F | Overcast. | 21 °F | 6 mph | ↑ | 62% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Friday, December 5, 2025 8:42:55 am Merrimack time - Weather by CustomWeather, © 2025 | |||||||||