Weather forecast for tomorrowMerrimac, MA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 59°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphNE 56°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:02 am EDT
- Sunset: 5:55 pm EDT
- details ▼
Tomorrow, on Monday, October 19, variable cloud cover will persist, but sunshine will break through.
Predicted temperatures will peak at a mild 59°F and dip to a minimum of an icy 41°F.
The forecasted maximum temperature will closely reflect October's average high of 59.9°F.
Sunrise will be at 7:02 am and sunset at 5:55 pm; tomorrow's daylight will last for 10h and 53min.
Predicted temperatures will peak at a mild 59°F and dip to a minimum of an icy 41°F.
The forecasted maximum temperature will closely reflect October's average high of 59.9°F.
Sunrise will be at 7:02 am and sunset at 5:55 pm; tomorrow's daylight will last for 10h and 53min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 57°C.
Coldest period: 3 am - 6 am 37°C.
Coldest period: 3 am - 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 10%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 187°
- Humidity: 81%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 2mphSSW 213°
- Humidity: 86%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphWSW 239°
- Humidity: 88%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 1mphWNW 282°
- Humidity: 86%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:02 am
- 8 am
- 39°F
- Feels like:39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphNW 322°
- Humidity: 84%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphN 2°
- Humidity: 71%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 55°F
- Feels like:55°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 89°
- Humidity: 57%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 88°
- Humidity: 52%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphE 90°
- Humidity: 56%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:55 pm
- 6 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphENE 70°
- Humidity: 71%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 46°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 2mphNE 54°
- Humidity: 87%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Mostly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 2mphNNE 25°
- Humidity: 90%
- Pressure: 30.27"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of dry and sunny and overcast weather is expected.
The temperature will vary between a minimum of 37.4°F and a maximum of 57.2°F. The warmest part of the day will be from 1 pm to 4 pm.
The high temperature is expected to be comparable to October's usual value of 59.9°F. The expected low will be more close to what’s common in November than the current October average of 46.6°F.
The temperature will vary between a minimum of 37.4°F and a maximum of 57.2°F. The warmest part of the day will be from 1 pm to 4 pm.
The high temperature is expected to be comparable to October's usual value of 59.9°F. The expected low will be more close to what’s common in November than the current October average of 46.6°F.
Updated: Oct 18, 2026 @ 06:19:54 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
On Monday, in Merrimac, patchy clouds will move across the sky, allowing for sunshine at times.
Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 41°F.
The maximum temperature will be in line with the average highest temperature of 59.9°F in October. The lowest temperature will be moderately lower than the average low of 46.6°F.
The maximum temperature will be in line with the average highest temperature of 59.9°F in October. The lowest temperature will be moderately lower than the average low of 46.6°F.
On Monday, in Merrimac, sunrise will be at 7:02 am and sunset at 5:55 pm (EDT).
In Merrimac, tomorrow, there will be 10h and 53min of daylight.
