Hour-by-hour Forecast in Merrimack — Graph
Detailed Hourly Forecast — Next 24 hours
Scroll right to see more
| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 10:00 am Tue, Dec 9 |  | 16 °F | Sunny. | 10 °F | 4 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 11:00 am |  | 20 °F | Mostly sunny. | 13 °F | 4 mph | ↑ | 42% | 0% | 0.00" (snow) 0.00" (rain) |
| 12:00 pm | | 23 °F | Scattered clouds. | 16 °F | 5 mph | ↑ | 37% | 0% | 0.00" (snow) 0.00" (rain) |
| 1:00 pm |  | 25 °F | Partly cloudy. | 18 °F | 6 mph | ↑ | 34% | 0% | 0.00" (snow) 0.00" (rain) |
| 2:00 pm |  | 26 °F | Broken clouds. | 19 °F | 5 mph | ↑ | 33% | 0% | 0.00" (snow) 0.00" (rain) |
| 3:00 pm |  | 26 °F | Cloudy. | 20 °F | 5 mph | ↑ | 35% | 0% | 0.00" (snow) 0.00" (rain) |
| 4:00 pm | | 24 °F | Overcast. | 18 °F | 4 mph | ↑ | 41% | 0% | 0.00" (snow) 0.00" (rain) |
| 5:00 pm |  | 22 °F | Overcast. | 15 °F | 5 mph | ↑ | 45% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 pm | | 20 °F | Overcast. | 11 °F | 6 mph | ↑ | 49% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 pm | | 18 °F | Overcast. | 9 °F | 7 mph | ↑ | 52% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 pm | | 20 °F | Overcast. | 11 °F | 7 mph | ↑ | 54% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 pm | | 22 °F | Overcast. | 14 °F | 7 mph | ↑ | 57% | 8% | 0.00" (snow) 0.00" (rain) |
| 10:00 pm | | 24 °F | Overcast. | 16 °F | 7 mph | ↑ | 63% | 10% | 0.00" (snow) 0.00" (rain) |
| 11:00 pm |  | 25 °F | Light snow. Overcast. | 17 °F | 7 mph | ↑ | 70% | 21% | 0.06" (snow) 0.00" (rain) |
| 12:00 am Wed, Dec 10 | | 26 °F | Light snow. Overcast. | 18 °F | 6 mph | ↑ | 77% | 23% | 0.05" (snow) 0.00" (rain) |
| 1:00 am | | 26 °F | Light snow. Overcast. | 19 °F | 6 mph | ↑ | 84% | 23% | 0.05" (snow) 0.00" (rain) |
| 2:00 am | | 26 °F | Light snow. Overcast. | 19 °F | 6 mph | ↑ | 87% | 23% | 0.05" (snow) 0.00" (rain) |
| 3:00 am | | 27 °F | Light snow. Overcast. | 19 °F | 7 mph | ↑ | 87% | 17% | 0.05" (snow) 0.00" (rain) |
| 4:00 am | | 27 °F | Overcast. | 19 °F | 8 mph | ↑ | 86% | 4% | 0.00" (snow) 0.00" (rain) |
| 5:00 am | | 28 °F | Overcast. | 20 °F | 8 mph | ↑ | 82% | 0% | 0.00" (snow) 0.00" (rain) |
| 6:00 am | | 29 °F | Overcast. | 21 °F | 8 mph | ↑ | 80% | 0% | 0.00" (snow) 0.00" (rain) |
| 7:00 am | | 29 °F | Overcast. | 21 °F | 7 mph | ↑ | 79% | 0% | 0.00" (snow) 0.00" (rain) |
| 8:00 am | | 29 °F | Overcast. | 22 °F | 8 mph | ↑ | 80% | 0% | 0.00" (snow) 0.00" (rain) |
| 9:00 am | | 31 °F | Overcast. | 24 °F | 8 mph | ↑ | 75% | 0% | 0.00" (snow) 0.00" (rain) |
| * Updated Tuesday, December 9, 2025 2:42:34 am Merrimack time - Weather by CustomWeather, © 2025 | |||||||||