Weather forecast for tomorrowMerrimack, NH
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 57°F
- 32°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSW 227°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:03 am EDT
- Sunset: 5:58 pm EDT
- details ▼
Tomorrow, in Merrimack, bright and sunny weather is expected.
Temperatures are forecasted to range from a maximum of a mild 57.2°F to a minimum of a wintry 32°F.
Tomorrow, the forecasted maximum temperature should be consistent with October's typical high of 59.2°F.
Sunrise will be at 7:03 am and sunset at 5:58 pm; tomorrow's daylight will last for 10h and 56min.
Temperatures are forecasted to range from a maximum of a mild 57.2°F to a minimum of a wintry 32°F.
Tomorrow, the forecasted maximum temperature should be consistent with October's typical high of 59.2°F.
Sunrise will be at 7:03 am and sunset at 5:58 pm; tomorrow's daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 55°C.
Coldest hour: 6 am 30°C.
Coldest hour: 6 am 30°C.
Chance of precipitation
Highest chance: 2%.
Hourly weather forecast
- 12 am
- 34°F
- Feels like:30°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNW 321°
- Humidity: 64%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 32°F
- Feels like:32°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNW 322°
- Humidity: 70%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 30°F
- Feels like:30°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphWNW 301°
- Humidity: 72%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 30°F
- Feels like:30°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphWNW 298°
- Humidity: 72%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:03 am
- 8 am
- 32°F
- Feels like:32°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphWSW 256°
- Humidity: 73%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 0mphWNW 285°
- Humidity: 54%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 50°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 216°
- Humidity: 37%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSW 208°
- Humidity: 32%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 189°
- Humidity: 35%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:58 pm
- 6 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSSE 163°
- Humidity: 48%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 166°
- Humidity: 67%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphS 177°
- Humidity: 79%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of mostly clear and gloomy weather is predicted.
The temperature will be between a minimum of 30.2°F and a maximum of 55.4°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the high temperature will be comparable to October's average. The lowest temperature is more alike with November's average minimum of 33.6°F than the usual minimum of 44.6°F in October.
The temperature will be between a minimum of 30.2°F and a maximum of 55.4°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the high temperature will be comparable to October's average. The lowest temperature is more alike with November's average minimum of 33.6°F than the usual minimum of 44.6°F in October.
Updated: Oct 17, 2026 @ 13:55:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Merrimack, sunshine and minimal clouds are in the outlook.
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 32°F.
The maximum temperature will be in line with the average highest temperature of 59.2°F in October. Tomorrow, the lowest temperature will be noticeably lower than the average low of 44.6°F.
The maximum temperature will be in line with the average highest temperature of 59.2°F in October. Tomorrow, the lowest temperature will be noticeably lower than the average low of 44.6°F.
On Sunday, in Merrimack, sunrise will be at 7:03 am and sunset at 5:58 pm (EDT).
Tomorrow, the daylight will last for 10h and 56min.
