Merrimack, NH Hourly Weather

Hillsborough County6:20 PM EDT42.87°N, 71.49°WElevation 154 ft

Next 48 hours

6 PM 9 PM Mon Oct 26 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Tue Oct 27 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 40° 50° 60° 70° %
TemperatureFeels likeChance of precipitationNight
Sunday, October 256 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
6 PM Clear 58° 58° 0% 0.00 in Calm 39% 33° 1% 0
7 PM Clear 53° 53° 0% 0.00 in Calm 50% 35° 2% 0
8 PM Clear 50° 50° 0% 0.00 in Calm 61% 37° 3% 0
9 PM Clear 47° 47° 0% 0.00 in Calm 65% 36° 2% 0
10 PM Clear 44° 44° 0% 0.00 in Calm 73% 36° 3% 0
11 PM Clear 43° 43° 0% 0.00 in Calm 76% 36° 1% 0
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 41° 41° 0% 0.00 in Calm 82% 36° 1% 0
1 AM Clear 39° 39° 0% 0.00 in Calm 85% 35° 2% 0
2 AM Mostly Clear 38° 38° 0% 0.00 in Calm 85% 34° 20% 0
3 AM Mostly Clear 36° 36° 0% 0.00 in Calm 92% 34° 18% 0
4 AM Clear 35° 35° 0% 0.00 in Calm 92% 33° 5% 0
5 AM Clear 33° 33° 0% 0.00 in Calm 100% 33° 5% 0
6 AM Sunny 33° 33° 0% 0.00 in Calm 96% 32° 4% 0
7 AM Sunny 33° 33° 0% 0.00 in Calm 92% 31° 2% 0
8 AM Sunny 34° 34° 0% 0.00 in Calm 96% 33° 4% 0
9 AM Sunny 41° 41° 0% 0.00 in Calm 82% 36° 9% 1
10 AM Sunny 49° 49° 0% 0.00 in Calm 66% 38° 7% 2
11 AM Sunny 57° 57° 1% 0.00 in Calm 53% 40° 10% 3
12 PM Sunny 63° 63° 1% 0.00 in W 5 44% 41° 4% 3
1 PM Sunny 67° 67° 2% 0.00 in W 5 40% 42° 8% 3
2 PM Sunny 68° 68° 2% 0.00 in W 5 39% 42° 20% 3
3 PM Sunny 69° 69° 2% 0.00 in NW 5 40% 44° 15% 2
4 PM Sunny 68° 68° 2% 0.00 in NW 5 45% 46° 13% 1
5 PM Sunny 66° 66° 3% 0.00 in NW 5 50% 47° 0% 0
6 PM Clear 63° 63° 3% 0.00 in NW 5 58% 48° 0% 0
7 PM Clear 57° 57° 3% 0.00 in NW 5 72% 48° 2% 0
8 PM Mostly Clear 55° 55° 0% 0.00 in NW 5 77% 48° 10% 0
9 PM Mostly Clear 54° 54° 0% 0.00 in NW 5 83% 49° 22% 0
10 PM Mostly Clear 52° 52° 0% 0.00 in NW 5 86% 48° 18% 0
11 PM Mostly Clear 51° 51° 0% 0.00 in NW 5 86% 47° 16% 0
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 49° 47° 0% 0.00 in NW 5 86% 45° 19% 0
1 AM Mostly Clear 47° 45° 0% 0.00 in NW 5 86% 43° 18% 0
2 AM Partly Cloudy 46° 44° 0% 0.00 in NW 5 83% 41° 28% 0
3 AM Mostly Clear 44° 41° 0% 0.00 in NW 5 86% 40° 19% 0
4 AM Mostly Clear 43° 40° 0% 0.00 in N 5 82% 38° 19% 0
5 AM Mostly Clear 40° 37° 0% 0.00 in N 5 85% 36° 17% 0
6 AM Sunny 38° 34° 0% 0.00 in N 5 89% 35° 20% 0
7 AM Sunny 37° 33° 0% 0.00 in N 5 85% 33° 10% 0
8 AM Sunny 36° 32° 0% 0.00 in N 5 89% 33° 1% 0
9 AM Sunny 39° 36° 0% 0.00 in N 5 85% 35° 0% 1
10 AM Sunny 44° 41° 0% 0.00 in N 5 73% 36° 1% 2
11 AM Sunny 48° 46° 0% 0.00 in N 5 60% 35° 1% 3
12 PM Sunny 51° 51° 0% 0.00 in N 5 52% 34° 1% 3
1 PM Sunny 53° 53° 0% 0.00 in NW 5 44% 32° 2% 3
2 PM Sunny 53° 53° 0% 0.00 in NW 5 41% 30° 2% 2
3 PM Sunny 54° 54° 0% 0.00 in NW 5 40% 30° 2% 2
4 PM Sunny 54° 54° 0% 0.00 in NW 5 40% 30° 1% 1
5 PM Sunny 53° 53° 0% 0.00 in NW 5 43% 31° 1% 0
6 PM Clear 49° 48° 0% 0.00 in NW 5 50% 31° 1% 0
7 PM Clear 45° 45° 0% 0.00 in Calm 58% 31° 1% 0
8 PM Clear 41° 41° 0% 0.00 in Calm 67% 31° 1% 0
9 PM Clear 38° 38° 0% 0.00 in Calm 73% 30° 1% 0
10 PM Clear 37° 37° 0% 0.00 in Calm 75% 30° 1% 0
11 PM Clear 35° 35° 0% 0.00 in Calm 78% 29° 1% 0
Wednesday, October 2824 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 33° 33° 0% 0.00 in Calm 85% 29° 2% 0
1 AM Clear 32° 32° 0% 0.00 in Calm 85% 28° 3% 0
2 AM Clear 31° 31° 0% 0.00 in Calm 88% 28° 4% 0
3 AM Mostly Clear 30° 30° 0% 0.00 in Calm 92% 28° 6% 0
4 AM Mostly Clear 29° 29° 0% 0.00 in Calm 96% 28° 7% 0
5 AM Mostly Clear 28° 28° 0% 0.00 in Calm 100% 28° 9% 0
6 AM Sunny 26° 26° 0% 0.00 in Calm 100% 26° 9% 0
7 AM Sunny 26° 26° 0% 0.00 in Calm 100% 26° 10% 0
8 AM Sunny 28° 28° 0% 0.00 in Calm 100% 28° 10% 0
9 AM Sunny 33° 33° 0% 0.00 in Calm 89% 30° 10% –
10 AM Sunny 40° 40° 0% 0.00 in Calm 76% 33° 10% –
11 AM Sunny 47° 47° 0% 0.00 in Calm 63% 35° 10% –
12 PM Sunny 51° 51° 0% 0.00 in Calm 54% 35° 13% –
1 PM Sunny 54° 54° 0% 0.00 in Calm 46% 34° 16% –
2 PM Sunny 55° 55° 0% 0.00 in Calm 45% 34° 19% –
3 PM Sunny 57° 57° 0% 0.00 in Calm 43% 35° 18% –
4 PM Sunny 57° 57° 0% 0.00 in Calm 47% 37° 16% –
5 PM Sunny 55° 55° 0% 0.00 in Calm 53% 38° 15% –
6 PM Mostly Clear 52° 52° 0% 0.00 in Calm 59% 38° 17% –
7 PM Mostly Clear 48° 48° 0% 0.00 in Calm 68% 38° 20% –
8 PM Mostly Clear 46° 46° 0% – Calm 73% 38° 22% –
9 PM Mostly Clear 43° 43° 0% – Calm 82% 38° 22% –
10 PM Mostly Clear 41° 41° 0% – Calm 85% 37° 22% –
11 PM Mostly Clear 39° 39° 0% – Calm 92% 37° 22% –
Thursday, October 2924 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 38° 38° 0% – Calm 96% 37° 22% –
1 AM Mostly Clear 38° 38° 0% – Calm 96% 37° 22% –
2 AM Mostly Clear 38° 38° 0% – Calm 96% 37° 19% –
3 AM Mostly Clear 38° 38° 0% – Calm 96% 37° 19% –
4 AM Mostly Clear 37° 37° 0% – Calm 100% 37° 19% –
5 AM Mostly Clear 37° 37° 0% – Calm 100% 37° 19% –
6 AM Sunny 36° 36° 0% – Calm 100% 36° 19% –
7 AM Sunny 36° 36° 0% – Calm 100% 36° 19% –
8 AM Sunny 38° 38° 0% – Calm 100% 38° 11% –
9 AM Sunny 43° 41° 0% – SW 5 93% 41° 11% –
10 AM Sunny 50° 49° 0% – SW 5 83% 45° 11% –
11 AM Sunny 56° 56° 0% – SW 5 74% 48° 11% –
12 PM Sunny 60° 60° 0% – SW 5 G12 69% 50° 11% –
1 PM Sunny 63° 63° 0% – SW 5 G14 65% 51° 11% –
2 PM Sunny 65° 65° 0% – SW 5 G14 60% 51° 9% –
3 PM Sunny 67° 67° 0% – SW 5 G14 59% 52° 9% –
4 PM Sunny 67° 67° 0% – SW 5 G12 59% 52° 9% –
5 PM Sunny 66° 66° 0% – SW 5 G12 61% 52° 9% –
6 PM Mostly Clear 64° 64° 0% – SW 5 G12 65% 52° 9% –
7 PM Mostly Clear 60° 60° 1% – SW 5 72% 51° 9% –
8 PM Mostly Clear 57° 57° 1% – SW 5 80% 51° 12% –
9 PM Mostly Clear 55° 55° 1% – SW 5 86% 51° 12% –
10 PM Mostly Clear 53° 53° 2% – SW 5 89% 50° 12% –
11 PM Mostly Clear 52° 52° 2% – SW 5 93% 50° 12% –
Friday, October 3024 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 51° 51° 3% – SW 5 96% 50° 12% –
1 AM Mostly Clear 51° 51° 3% – Calm 93% 49° 12% –
2 AM Partly Cloudy 50° 50° 4% – Calm 96% 49° 38% –
3 AM Partly Cloudy 49° 49° 4% – Calm 100% 49° 38% –
4 AM Partly Cloudy 49° 49° 5% – Calm 96% 48° 38% –
5 AM Partly Cloudy 48° 48° 5% – Calm 100% 48° 38% –
6 AM Mostly Sunny 47° 47° 5% – Calm 100% 47° 38% –
7 AM Mostly Sunny 47° 47° 4% – Calm 100% 47° 38% –
8 AM Sunny 48° 48° 4% – Calm 100% 48° 19% –
9 AM Sunny 52° 52° 3% – W 5 93% 50° 19% –
10 AM Sunny 57° 57° 3% – W 5 83% 52° 19% –
11 AM Sunny 62° 62° 2% – W 5 75% 54° 19% –
12 PM Sunny 65° 65° 2% – W 5 G12 70% 55° 19% –
1 PM Sunny 67° 67° 1% – W 5 G14 63% 54° 19% –
2 PM Sunny 68° 68° 1% – W 5 G14 61% 54° 21% –
3 PM Sunny 69° 69° 1% – W 5 G12 59% 54° 21% –
4 PM Sunny 69° 69° 0% – W 5 59% 54° 21% –
5 PM Sunny 68° 68° 0% – W 5 59% 53° 21% –
6 PM Mostly Clear 65° 65° 0% – W 5 63% 52° 21% –
7 PM Mostly Clear 62° 62° 0% – Calm 67% 51° 21% –
8 PM Mostly Clear 58° 58° 0% – Calm 75% 50° 15% –
9 PM Mostly Clear 55° 55° 0% – Calm 80% 49° 15% –
10 PM Mostly Clear 51° 51° 0% – Calm 89% 48° 15% –
11 PM Mostly Clear 49° 49° 0% – Calm 93% 47° 15% –
Saturday, October 3124 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 48° 48° 0% – Calm 93% 46° 15% –
1 AM Mostly Clear 47° 47° 0% – Calm 96% 46° 15% –
2 AM Mostly Clear 46° 46° 0% – Calm 96% 45° 23% –
3 AM Mostly Clear 45° 45° 0% – Calm 96% 44° 23% –
4 AM Mostly Clear 44° 44° 0% – Calm 100% 44° 23% –
5 AM Mostly Clear 43° 43° 0% – Calm 100% 43° 23% –
6 AM Sunny 42° 42° 0% – Calm 100% 42° 23% –
7 AM Sunny 42° 42° 0% – Calm 100% 42° 23% –
8 AM Mostly Sunny 43° 43° 1% – Calm 96% 42° 31% –
9 AM Mostly Sunny 47° 47° 1% – Calm 89% 44° 31% –
10 AM Mostly Sunny 51° 51° 2% – Calm 83% 46° 31% –
11 AM Mostly Sunny 56° 56° 2% – Calm 74% 48° 31% –
12 PM Mostly Sunny 59° 59° 2% – Calm 67% 48° 31% –
1 PM Mostly Sunny 62° 62° 2% – W 5 60% 48° 31% –
2 PM Mostly Sunny 64° 64° 2% – W 5 56% 48° 34% –
3 PM Mostly Sunny 65° 65° 2% – SW 5 54% 48° 34% –
4 PM Mostly Sunny 65° 65° 2% – Calm 56% 49° 34% –
5 PM Mostly Sunny 64° 64° 2% – Calm 58% 49° 34% –
6 PM Partly Cloudy 62° 62° 2% – Calm 62% 49° 34% –
7 PM Partly Cloudy 58° 58° 2% – Calm 69% 48° 34% –
8 PM Partly Cloudy 55° 55° 1% – Calm 77% 48° 45% –
9 PM Partly Cloudy 53° 53° 1% – Calm 83% 48° 45% –
10 PM Partly Cloudy 51° 51° 1% – Calm 86% 47° 45% –
11 PM Partly Cloudy 49° 49° 1% – Calm 93% 47° 45% –
Sunday, November 16 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 48° 48° 1% – Calm 96% 47° 45% –
1 AM Partly Cloudy 47° 47° 1% – Calm 96% 46° 45% –
1 AM Mostly Cloudy 47° 47° 4% – Calm 96% 46° 63% –
2 AM Mostly Cloudy 47° 47° 5% – Calm 96% 46° 63% –
3 AM Mostly Cloudy 46° 46° 6% – Calm 100% 46° 63% –
4 AM Mostly Cloudy 46° 46° 6% – Calm 100% 46° 63% –

National Weather Service forecast updated 4 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 4Conservative index and reflects what the press published. Terms of use. How to use Weather