Weather forecast for 10 daysChelmsford, MA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 34°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWSW 238°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:02 am EDT
- Sunset: 5:58 pm EDT
- details ▼
Tomorrow, conditions will remain bright with clear skies.
The highest temperature will be a mild 55.4°F, while the lowest forecasted temperature is a cold 33.8°F.
The high temperature will be relatively lower than the typical October level of 59.9°F.
Sunrise will be at 7:02 am and sunset at 5:58 pm; tomorrow's daylight will last for 10h and 56min.
The highest temperature will be a mild 55.4°F, while the lowest forecasted temperature is a cold 33.8°F.
The high temperature will be relatively lower than the typical October level of 59.9°F.
Sunrise will be at 7:02 am and sunset at 5:58 pm; tomorrow's daylight will last for 10h and 56min.
10-day overview
Daily temperatures
Maximum temperature: 64°C.
Minimum temperature: 55°C.
Minimum temperature: 55°C.
Chance of precipitation
Highest chance: 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 28°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNNW 331°
- Humidity: 67%
- UV index: 0
- Sunrise: 7:01 am EDT
- Sunset: 6:00 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 55°F
- 34°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWSW 238°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:02 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 41°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 6mphNE 39°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:03 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 41°F
AM Clouds / PM Sun
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphNNE 21°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:04 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 55°F
- 39°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0.04"
- Wind: 11mphNE 37°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:05 am EDT
- Sunset: 5:54 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 41°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphN 0°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:07 am EDT
- Sunset: 5:52 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 34°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphNNE 15°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:08 am EDT
- Sunset: 5:51 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 34°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphNNE 21°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:09 am EDT
- Sunset: 5:49 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 41°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 8mphN 352°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:10 am EDT
- Sunset: 5:48 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 8mphNNW 331°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:12 am EDT
- Sunset: 5:46 pm EDT
- details ▼
In the days ahead, a combination of clear and dull weather is predicted.
Rain is not expected in Chelmsford in the upcoming period.
In the upcoming days, the maximum temperature will vary between 55.4°F and 64.4°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 28.4°F up to 42.8°F.
The warmest days will be Tuesday and next Monday, with a maximum of 64.4°F; Sunday, Wednesday and next Saturday, with the highest temperature of 55.4°F, will be the coldest days.
Rain is not expected in Chelmsford in the upcoming period.
In the upcoming days, the maximum temperature will vary between 55.4°F and 64.4°F, while the lowest nightly temperature differences will be quite pronounced, as temperatures overnight will fluctuate from 28.4°F up to 42.8°F.
The warmest days will be Tuesday and next Monday, with a maximum of 64.4°F; Sunday, Wednesday and next Saturday, with the highest temperature of 55.4°F, will be the coldest days.
Updated: Oct 18, 2026 @ 00:57:55 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, sunny skies and pleasant visibility are expected.
Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 33.8°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 59.9°F in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 45.7°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 59.9°F in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 45.7°F.
On Sunday, in Chelmsford, sunrise will be at 7:02 am and sunset at 5:58 pm (EDT).
In Chelmsford, the length of the day tomorrow will be 10h and 56min.
