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 | ||
| 2:00 am Fri, Dec 12 |  | 19 °F | Clear. | 5 °F | 14 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 am | | 19 °F | Clear. | 5 °F | 15 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 am | | 18 °F | Clear. | 4 °F | 15 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 18 °F | Clear. | 4 °F | 14 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 18 °F | Clear. | 4 °F | 14 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 18 °F | Clear. | 4 °F | 13 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am |  | 18 °F | Sunny. | 5 °F | 13 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 21 °F | Sunny. | 8 °F | 13 mph | ↑ | 51% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 am | | 24 °F | Sunny. | 13 °F | 13 mph | ↑ | 48% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am | | 27 °F | Sunny. | 16 °F | 13 mph | ↑ | 45% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 29 °F | Sunny. | 19 °F | 13 mph | ↑ | 44% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm | | 31 °F | Sunny. | 21 °F | 14 mph | ↑ | 44% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm | | 32 °F | Sunny. | 22 °F | 13 mph | ↑ | 44% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm | | 31 °F | Sunny. | 22 °F | 13 mph | ↑ | 46% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm |  | 30 °F | Mostly sunny. | 20 °F | 12 mph | ↑ | 51% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm |  | 29 °F | Mostly clear. | 19 °F | 11 mph | ↑ | 56% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 27 °F | Clear. | 18 °F | 11 mph | ↑ | 61% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 27 °F | Clear. | 18 °F | 10 mph | ↑ | 62% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm | | 26 °F | Clear. | 17 °F | 9 mph | ↑ | 64% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 25 °F | Clear. | 16 °F | 9 mph | ↑ | 67% | 0% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 25 °F | Clear. | 16 °F | 9 mph | ↑ | 67% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm | | 24 °F | Clear. | 15 °F | 8 mph | ↑ | 70% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 am Sat, Dec 13 | | 23 °F | Clear. | 15 °F | 8 mph | ↑ | 73% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 am | | 23 °F | Clear. | 14 °F | 7 mph | ↑ | 75% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Thursday, December 11, 2025 8:42:42 pm Merrimack time - Weather by CustomWeather, © 2025 | |||||||||