Weather forecast for 10 daysMerrimac, MA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNW 324°
  • Humidity: 42%
  • UV index: 4
  • Sunrise: 6:59 am EDT
  • Sunset: 5:58 pm EDT
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Today, in Merrimac, clouds and sunshine will create a dynamic sky throughout the day.
A temperature range of a fresh 50°F to a harsh 30.2°F is forecasted.
The temperature will be lower and more consistent with November's average high of 48.2°F than with October's usual.
Sunrise was at 6:59 am and sunset will be at 5:58 pm; the daylight will last for 10h and 59min.

Sunday Oct 18, 2026

  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWSW 237°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:01 am EDT
  • Sunset: 5:57 pm EDT
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Tomorrow, on Sunday, October 18, sunny skies are also in store, with excellent visibility.
The temperature variation is expected to range from a maximum of a mild 57.2°F to a minimum of an icy 35.6°F.
Tomorrow, the anticipated maximum temperature should be consistent with October's typical high of 59.9°F.
Sunrise will be at 7:01 am and sunset at 5:57 pm; tomorrow's daylight will last for 10h and 56min.

10-day overview

Daily temperatures

Maximum temperature: 64°C.
Coldest day: today 50°C.

Chance of precipitation

Highest chance: Monday 26.10. 23%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 50°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNW 324°
  • Humidity: 42%
  • UV index: 4
  • Sunrise: 6:59 am EDT
  • Sunset: 5:58 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWSW 237°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:01 am EDT
  • Sunset: 5:57 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 59°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphE 90°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 7:02 am EDT
  • Sunset: 5:55 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 64°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphNNE 22°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:03 am EDT
  • Sunset: 5:53 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 55°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 12mphNE 41°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:04 am EDT
  • Sunset: 5:52 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphNNE 13°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:06 am EDT
  • Sunset: 5:50 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 57°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 10mphNNE 21°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:07 am EDT
  • Sunset: 5:49 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 55°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphNNE 23°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:08 am EDT
  • Sunset: 5:47 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 6mphN 11°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:09 am EDT
  • Sunset: 5:46 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 64°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 7mphNNW 329°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:10 am EDT
  • Sunset: 5:44 pm EDT
  • ▼
Weather models show that a combination of cloud-filled and clear weather is forecasted.
Rainfall is not anticipated in Merrimac in the upcoming period.
There will be a considerable variation in temperature in the coming days. The temperature is expected to swing from 50°F up to 64.4°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 30.2°F and 42.8°F.
Tuesday and next Monday, with the highest temperature of 64.4°F, will be the warmest days in Merrimac; today is the coldest day, with a maximum temperature of 50°F.
Updated: Oct 17, 2026 @ 14:56:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, occasional cloudiness will be present, but there will still be plenty of sun.

Today, the maximum temperature will be 50°F, while the minimum temperature will be 30.2°F.
Today, the maximum temperature will be uncommonly lower than the average highest temperature of 59.9°F in October. Today, the lowest temperature will be also noticeably lower than the average low of 46.6°F.

On Saturday, in Merrimac, sunrise was at 6:59 am and sunset will be at 5:58 pm (EDT).

In Merrimac, Massachusetts, today, there will be 10h and 59min of daylight.

Tomorrow, in Merrimac, skies will stay clear and sunny.

Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 35.6°F.
The highest temperature will be in line with the average maximum of 59.9°F in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 46.6°F.

On Sunday, in Merrimac, sunrise will be at 7:01 am and sunset at 5:57 pm (EDT).

Tomorrow, the daylight will last for 10h and 56min.