Weather forecast for 10 daysMystic, CT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNE 37°
- Humidity: 39%
- UV index: 4
- Sunrise: 7:03 am EDT
- Sunset: 6:02 pm EDT
- details ▼
On Sunday, October 18, expect consistent sunshine and open skies.
The highest temperature will be a moderate 55.4°F, while the lowest forecasted temperature is a wintry 37.4°F.
Today, the forecast high deviates from October's norm and tracks November's average temperature of 51.3°F.
Sunrise was at 7:03 am and sunset will be at 6:02 pm; the daylight will last for 10h and 59min.
The highest temperature will be a moderate 55.4°F, while the lowest forecasted temperature is a wintry 37.4°F.
Today, the forecast high deviates from October's norm and tracks November's average temperature of 51.3°F.
Sunrise was at 7:03 am and sunset will be at 6:02 pm; the daylight will last for 10h and 59min.
10-day overview
Daily temperatures
Maximum temperature: 64°C.
Coldest day: today 55°C.
Coldest day: today 55°C.
Chance of precipitation
Highest chance: Thursday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNE 37°
- Humidity: 39%
- UV index: 4
- Sunrise: 7:03 am EDT
- Sunset: 6:02 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphNE 40°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:04 am EDT
- Sunset: 6:01 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 45°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphNNE 26°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:05 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 17mphNE 35°
- Humidity: 70%
- UV index: 4
- Sunrise: 7:06 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 61°F
- 43°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 12mphNNE 15°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 5:56 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 13mphNNE 16°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphNE 34°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:10 am EDT
- Sunset: 5:53 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 41°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphNW 307°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:11 am EDT
- Sunset: 5:52 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 45°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNW 305°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:12 am EDT
- Sunset: 5:51 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 41°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphN 3°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:13 am EDT
- Sunset: 5:49 pm EDT
- details ▼
Forecasts for the ten-day outlook show that a combination of mostly clear and gloomy weather is anticipated.
Rain is not predicted in Mystic in the upcoming days.
In the upcoming period, the maximum temperature will vary between 55.4°F and 64.4°F, while the forecast minimum temperature falls between 37.4°F and 46.4°F.
Tuesday and next Monday, with the highest temperature of 64.4°F, will be the warmest days; today is the coldest day, with a maximum temperature of 55.4°F.
Rain is not predicted in Mystic in the upcoming days.
In the upcoming period, the maximum temperature will vary between 55.4°F and 64.4°F, while the forecast minimum temperature falls between 37.4°F and 46.4°F.
Tuesday and next Monday, with the highest temperature of 64.4°F, will be the warmest days; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 18, 2026 @ 16:18:28 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, in Mystic, sunshine will likely continue with scattered clouds at most.
Today, the highest temperature in Mystic will be 55.4°F, while the lowest temperature will be 37.4°F.
The highest temperature today will be moderately lower than the average maximum temperature in October. Today, the lowest temperature will be significantly lower than the average low of 51.6°F.
The highest temperature today will be moderately lower than the average maximum temperature in October. Today, the lowest temperature will be significantly lower than the average low of 51.6°F.
On Sunday, in Mystic, sunrise was at 7:03 am and sunset will be at 6:02 pm (EDT).
In Mystic, today, there will be 10h and 59min of daylight.
