Weather forecast for 10 daysWatertown, MA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 1°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:01 am EDT
- Sunset: 5:58 pm EDT
- details ▼
On Sunday, October 18, sunny conditions are expected to continue.
The highest forecasted temperature is a refreshing 55.4°F, while the lowest temperature will be an icy 37.4°F.
The expected high will be slightly cooler than October's standard temperature of 61°F.
Sunrise will be at 7:01 am and sunset at 5:58 pm; the daylight will last for 10h and 57min.
The highest forecasted temperature is a refreshing 55.4°F, while the lowest temperature will be an icy 37.4°F.
The expected high will be slightly cooler than October's standard temperature of 61°F.
Sunrise will be at 7:01 am and sunset at 5:58 pm; the daylight will last for 10h and 57min.
10-day overview
Daily temperatures
Warmest day: Monday 26.10. 66°C.
Minimum temperature: 55°C.
Minimum temperature: 55°C.
Chance of precipitation
Highest chance: Thursday 21%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 1°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:01 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphNE 41°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:02 am EDT
- Sunset: 5:56 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 14mphNNE 24°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:03 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 55°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphNNE 33°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:04 am EDT
- Sunset: 5:53 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 41°F
Mostly Sunny
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 10mphN 3°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:06 am EDT
- Sunset: 5:52 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 36°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphN 7°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:07 am EDT
- Sunset: 5:50 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 30°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphNNE 14°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:08 am EDT
- Sunset: 5:49 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphWNW 286°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:09 am EDT
- Sunset: 5:47 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphWNW 303°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:10 am EDT
- Sunset: 5:46 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 39°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 10mphNNW 342°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:12 am EDT
- Sunset: 5:44 pm EDT
- details ▼
Forecasts for the ten-day outlook show that a combination of dry and sunny and overcast weather is anticipated.
Rain is not forecasted in Watertown in the upcoming days.
In the coming days, the highest temperature will range between 55.4°F and 66.2°F, while the nightly low temperatures will show a considerable swing, as nighttime lows are forecast to fall between 30.2°F and 42.8°F.
Expect the warmest day on next Monday, with temperatures peaking at 66.2°F; with a maximum temperature of 55.4°F, Sunday, Wednesday, Friday and Saturday will be the coldest days.
Rain is not forecasted in Watertown in the upcoming days.
In the coming days, the highest temperature will range between 55.4°F and 66.2°F, while the nightly low temperatures will show a considerable swing, as nighttime lows are forecast to fall between 30.2°F and 42.8°F.
Expect the warmest day on next Monday, with temperatures peaking at 66.2°F; with a maximum temperature of 55.4°F, Sunday, Wednesday, Friday and Saturday will be the coldest days.
Updated: Oct 18, 2026 @ 08:40:59 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
Today, conditions will remain bright with clear skies.
Today, the highest temperature will be 55.4°F, while the lowest temperature will be 37.4°F.
Today, the highest temperature will be relatively lower than the average maximum temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 47.3°F.
Today, the highest temperature will be relatively lower than the average maximum temperature in October. Today, the lowest temperature will be noticeably lower than the average low of 47.3°F.
On Sunday, in Watertown, sunrise will be at 7:01 am and sunset at 5:58 pm (EDT).
In Watertown, the length of the day today will be 10h and 57min.
