Merrimack, NH Hourly Weather

Hillsborough County8:40 AM EDT42.87°N, 71.49°WElevation 154 ft

Next 48 hours

8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Mon Oct 26 2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Tue Oct 27 2 AM 5 AM 40° 50° 60° 70° %
TemperatureFeels likeChance of precipitationNight
Sunday, October 2516 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
8 AM Sunny 34° 34° 0% 0.00 in Calm 85% 30° 1% 0
9 AM Sunny 41° 41° 0% 0.00 in Calm 65% 30° 0% 1
10 AM Sunny 48° 48° 0% 0.00 in Calm 51% 31° 1% 2
11 AM Sunny 55° 55° 0% 0.00 in Calm 41% 32° 2% 3
12 PM Sunny 61° 61° 0% 0.00 in Calm 32% 31° 2% 3
1 PM Sunny 64° 64° 0% 0.00 in Calm 28% 30° 4% 3
2 PM Sunny 66° 66° 0% 0.00 in Calm 26% 30° 3% 2
3 PM Sunny 66° 66° 0% 0.00 in Calm 26% 30° 3% 1
4 PM Sunny 65° 65° 0% 0.00 in Calm 27% 30° 1% 1
5 PM Sunny 63° 63° 0% 0.00 in Calm 31% 32° 1% 0
6 PM Clear 59° 59° 0% 0.00 in Calm 37% 33° 1% 0
7 PM Clear 52° 52° 0% 0.00 in Calm 50% 34° 2% 0
8 PM Clear 46° 46° 0% 0.00 in Calm 63% 34° 1% 0
9 PM Clear 44° 44° 0% 0.00 in Calm 68% 34° 1% 0
10 PM Clear 42° 42° 0% 0.00 in Calm 73% 34° 3% 0
11 PM Clear 40° 40° 0% 0.00 in Calm 79% 34° 1% 0
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 39° 39° 0% 0.00 in Calm 82% 34° 6% 0
1 AM Clear 37° 37° 0% 0.00 in Calm 89% 34° 3% 0
2 AM Mostly Clear 36° 36° 0% 0.00 in Calm 92% 34° 6% 0
3 AM Mostly Clear 36° 36° 0% 0.00 in Calm 92% 34° 10% 0
4 AM Mostly Clear 36° 36° 0% 0.00 in Calm 92% 34° 13% 0
5 AM Mostly Clear 35° 35° 0% 0.00 in Calm 92% 33° 10% 0
6 AM Sunny 35° 35° 0% 0.00 in Calm 92% 33° 8% 0
7 AM Sunny 35° 35° 0% 0.00 in Calm 92% 33° 2% 0
8 AM Sunny 36° 36° 0% 0.00 in Calm 92% 34° 7% 0
9 AM Sunny 44° 44° 0% 0.00 in Calm 79% 38° 14% 1
10 AM Sunny 52° 52° 0% 0.00 in Calm 66% 41° 25% 2
11 AM Sunny 58° 58° 0% 0.00 in Calm 57% 43° 9% 3
12 PM Sunny 63° 63° 0% 0.00 in W 5 50% 44° 2% 3
1 PM Sunny 67° 67° 0% 0.00 in W 5 45% 45° 10% 3
2 PM Sunny 68° 68° 0% 0.00 in W 5 G12 45% 46° 6% 3
3 PM Sunny 69° 69° 0% 0.00 in W 5 45% 47° 9% 2
4 PM Sunny 68° 68° 0% 0.00 in NW 5 49% 48° 9% 1
5 PM Sunny 66° 66° 0% 0.00 in NW 5 56% 50° 10% 0
6 PM Mostly Clear 63° 63° 0% 0.00 in NW 5 62% 50° 11% 0
7 PM Mostly Clear 58° 58° 0% 0.00 in NW 5 75% 50° 6% 0
8 PM Mostly Clear 54° 54° 0% 0.00 in NW 5 83% 49° 24% 0
9 PM Clear 53° 53° 0% 0.00 in NW 5 83% 48° 4% 0
10 PM Mostly Clear 51° 51° 0% 0.00 in NW 5 86% 47° 12% 0
11 PM Mostly Clear 49° 47° 0% 0.00 in NW 5 86% 45° 20% 0
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 47° 45° 0% 0.00 in NW 5 86% 43° 19% 0
1 AM Mostly Clear 46° 44° 0% 0.00 in NW 5 86% 42° 18% 0
2 AM Mostly Clear 44° 41° 0% 0.00 in NW 5 86% 40° 17% 0
3 AM Mostly Clear 42° 39° 0% 0.00 in NW 5 86% 38° 19% 0
4 AM Mostly Clear 41° 38° 0% 0.00 in N 5 85% 37° 20% 0
5 AM Mostly Clear 39° 36° 0% 0.00 in N 5 85% 35° 22% 0
6 AM Sunny 37° 33° 0% 0.00 in N 5 89% 34° 17% 0
7 AM Sunny 36° 32° 0% 0.00 in N 5 89% 33° 11% 0
8 AM Sunny 36° 32° 0% 0.00 in N 5 85% 32° 6% 0
9 AM Sunny 40° 37° 0% 0.00 in N 5 73% 32° 5% 1
10 AM Sunny 44° 41° 0% 0.00 in N 5 65% 33° 4% 2
11 AM Sunny 49° 47° 0% 0.00 in N 5 54% 33° 3% 3
12 PM Sunny 51° 51° 0% 0.00 in N 5 46% 31° 3% 3
1 PM Sunny 53° 53° 0% 0.00 in NW 5 39% 29° 3% 3
2 PM Sunny 54° 54° 0% 0.00 in NW 5 35% 27° 3% 2
3 PM Sunny 55° 55° 0% 0.00 in NW 5 35% 28° 2% 2
4 PM Sunny 55° 55° 0% 0.00 in NW 5 37% 29° 1% 1
5 PM Sunny 53° 53° 0% 0.00 in NW 5 41% 30° 0% 0
6 PM Clear 49° 48° 0% 0.00 in NW 5 48% 30° 1% 0
7 PM Clear 43° 43° 0% 0.00 in Calm 57% 29° 1% 0
8 PM Clear 38° 38° 0% 0.00 in Calm 67% 28° 2% 0
9 PM Clear 35° 35° 0% 0.00 in Calm 72% 27° 2% –
10 PM Clear 33° 33° 0% 0.00 in Calm 78% 27° 2% –
11 PM Clear 32° 32° 0% 0.00 in Calm 78% 26° 2% –
Wednesday, October 2824 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 30° 30° 0% 0.00 in Calm 85% 26° 4% –
1 AM Mostly Clear 29° 29° 0% 0.00 in Calm 88% 26° 7% –
2 AM Mostly Clear 28° 28° 0% 0.00 in Calm 92% 26° 9% –
3 AM Mostly Clear 27° 27° 0% 0.00 in Calm 96% 26° 11% –
4 AM Mostly Clear 26° 26° 0% 0.00 in Calm 96% 25° 13% –
5 AM Mostly Clear 26° 26° 0% 0.00 in Calm 96% 25° 15% –
6 AM Sunny 25° 25° 0% 0.00 in Calm 100% 25° 13% –
7 AM Sunny 25° 25° 0% 0.00 in Calm 96% 24° 11% –
8 AM Sunny 27° 27° 0% – Calm 92% 25° 9% –
9 AM Sunny 33° 33° 0% – Calm 78% 27° 8% –
10 AM Sunny 40° 40° 0% – Calm 67% 30° 8% –
11 AM Sunny 47° 47° 0% – Calm 56% 32° 7% –
12 PM Sunny 51° 51° 0% – Calm 48% 32° 9% –
1 PM Sunny 53° 53° 0% – Calm 43% 31° 11% –
2 PM Sunny 55° 55° 0% – Calm 40% 31° 13% –
3 PM Sunny 56° 56° 0% – Calm 42% 33° 12% –
4 PM Sunny 56° 56° 0% – Calm 43% 34° 12% –
5 PM Sunny 55° 55° 0% – Calm 49% 36° 11% –
6 PM Mostly Clear 51° 51° 0% – Calm 56% 36° 14% –
7 PM Mostly Clear 46° 46° 0% – Calm 68% 36° 16% –
8 PM Mostly Clear 44° 44° 0% – Calm 70% 35° 19% –
9 PM Mostly Clear 41° 41° 0% – Calm 79% 35° 19% –
10 PM Mostly Clear 38° 38° 0% – Calm 89% 35° 19% –
11 PM Mostly Clear 36° 36° 0% – Calm 96% 35° 19% –
Thursday, October 2924 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 35° 35° 0% – Calm 100% 35° 19% –
1 AM Mostly Clear 36° 36° 0% – Calm 100% 36° 19% –
2 AM Mostly Clear 36° 36° 0% – Calm 100% 36° 24% –
3 AM Mostly Clear 36° 36° 0% – Calm 100% 36° 24% –
4 AM Mostly Clear 36° 36° 0% – Calm 100% 36° 24% –
5 AM Mostly Clear 36° 36° 0% – Calm 100% 36° 24% –
6 AM Sunny 36° 36° 0% – Calm 100% 36° 24% –
7 AM Sunny 36° 33° 0% – SW 5 100% 36° 24% –
8 AM Sunny 38° 36° 0% – SW 5 100% 38° 9% –
9 AM Sunny 43° 40° 0% – SW 5 93% 41° 9% –
10 AM Sunny 50° 48° 0% – SW 5 80% 44° 9% –
11 AM Sunny 56° 56° 0% – SW 5 G12 72% 47° 9% –
12 PM Sunny 60° 60° 1% – SW 5 G14 64% 48° 9% –
1 PM Sunny 63° 63° 1% – SW 10 G16 60% 49° 9% –
2 PM Sunny 65° 65° 2% – SW 10 G16 56% 49° 16% –
3 PM Sunny 67° 67° 2% – SW 10 G16 54% 50° 16% –
4 PM Sunny 67° 67° 3% – SW 5 G14 56% 51° 16% –
5 PM Sunny 66° 66° 3% – SW 5 G12 58% 51° 16% –
6 PM Mostly Clear 63° 63° 3% – SW 5 G12 65% 51° 16% –
7 PM Mostly Clear 59° 59° 3% – SW 5 72% 50° 16% –
8 PM Mostly Clear 56° 56° 4% – SW 5 80% 50° 14% –
9 PM Mostly Clear 54° 54° 4% – SW 5 86% 50° 14% –
10 PM Mostly Clear 53° 53° 4% – SW 5 86% 49° 14% –
11 PM Mostly Clear 52° 52° 4% – SW 5 89% 49° 14% –
Friday, October 3024 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 51° 51° 4% – SW 5 93% 49° 14% –
1 AM Mostly Clear 51° 51° 3% – W 5 89% 48° 14% –
2 AM Partly Cloudy 50° 50° 3% – Calm 93% 48° 27% –
3 AM Partly Cloudy 49° 49° 3% – Calm 96% 48° 27% –
4 AM Partly Cloudy 49° 49° 2% – Calm 93% 47° 27% –
5 AM Partly Cloudy 48° 48° 2% – Calm 96% 47° 27% –
6 AM Mostly Sunny 47° 47° 2% – Calm 96% 46° 27% –
7 AM Mostly Sunny 46° 46° 1% – Calm 100% 46° 27% –
8 AM Sunny 47° 47° 1% – Calm 96% 46° 15% –
9 AM Sunny 51° 51° 1% – W 5 86% 47° 15% –
10 AM Sunny 55° 55° 0% – W 5 80% 49° 15% –
11 AM Sunny 60° 60° 0% – NW 5 69% 50° 15% –
12 PM Sunny 63° 63° 0% – NW 5 G12 62% 50° 15% –
1 PM Sunny 65° 65° 0% – NW 5 G12 58% 50° 15% –
2 PM Sunny 66° 66° 0% – NW 5 G12 54% 49° 16% –
3 PM Sunny 67° 67° 0% – NW 5 G12 52% 49° 16% –
4 PM Sunny 68° 68° 0% – NW 5 51% 49° 16% –
5 PM Sunny 67° 67° 0% – NW 5 52% 49° 16% –
6 PM Mostly Clear 64° 64° 0% – Calm 58% 49° 16% –
7 PM Mostly Clear 59° 59° 0% – Calm 67% 48° 16% –
8 PM Mostly Clear 55° 55° 0% – Calm 77% 48° 19% –
9 PM Mostly Clear 52° 52° 0% – Calm 83% 47° 19% –
10 PM Mostly Clear 49° 49° 0% – Calm 93% 47° 19% –
11 PM Mostly Clear 47° 47° 0% – Calm 96% 46° 19% –
Saturday, October 3120 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 46° 46° 0% – Calm 96% 45° 19% –
1 AM Mostly Clear 45° 45° 0% – Calm 96% 44° 19% –
2 AM Partly Cloudy 44° 44° 0% – Calm 96% 43° 29% –
3 AM Partly Cloudy 43° 43° 0% – Calm 100% 43° 29% –
4 AM Partly Cloudy 42° 42° 0% – Calm 100% 42° 29% –
5 AM Partly Cloudy 42° 42° 0% – Calm 100% 42° 29% –
6 AM Mostly Sunny 41° 41° 0% – Calm 100% 41° 29% –
7 AM Mostly Sunny 41° 41° 0% – Calm 100% 41° 29% –
8 AM Mostly Sunny 42° 42° 1% – Calm 96% 41° 28% –
9 AM Mostly Sunny 46° 46° 1% – Calm 89% 43° 28% –
10 AM Mostly Sunny 51° 51° 1% – Calm 80% 45° 28% –
11 AM Mostly Sunny 56° 56° 1% – Calm 72% 47° 28% –
12 PM Mostly Sunny 60° 60° 1% – Calm 62% 47° 28% –
1 PM Mostly Sunny 62° 62° 1% – SW 5 58% 47° 28% –
2 PM Mostly Sunny 64° 64° 1% – SW 5 54% 47° 35% –
3 PM Mostly Sunny 65° 65° 1% – SW 5 54% 48° 35% –
4 PM Mostly Sunny 65° 65° 1% – Calm 54% 48° 35% –
5 PM Mostly Sunny 64° 64° 1% – Calm 58% 49° 35% –
6 PM Partly Cloudy 62° 62° 1% – Calm 62% 49° 35% –
7 PM Partly Cloudy 58° 58° 1% – Calm 69% 48° 35% –

National Weather Service forecast updated 6 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.