Weather forecast for 10 daysCollinsville, CT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 57°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNE 54°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 6:05 pm EDT
- details ▼
On Sunday, in Collinsville, conditions remain stable and sunny, with little cloud presence.
The temperature is predicted to vary between a maximum of a moderate 57.2°F and a minimum of a cold 35.6°F.
October's standard high of 60.1°F is predicted to be reached during the day.
Sunrise was at 7:07 am and sunset will be at 6:05 pm; the daylight will last for 10h and 58min.
The temperature is predicted to vary between a maximum of a moderate 57.2°F and a minimum of a cold 35.6°F.
October's standard high of 60.1°F is predicted to be reached during the day.
Sunrise was at 7:07 am and sunset will be at 6:05 pm; the daylight will last for 10h and 58min.
10-day overview
Daily temperatures
Maximum temperature: 66°C.
Minimum temperature: 57°C.
Minimum temperature: 57°C.
Chance of precipitation
Highest chance: Thursday 9%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 57°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNE 54°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:07 am EDT
- Sunset: 6:05 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphNNE 25°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:08 am EDT
- Sunset: 6:04 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphNNE 20°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:09 am EDT
- Sunset: 6:02 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphNNE 30°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:11 am EDT
- Sunset: 6:01 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 63°F
- 41°F
Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 10mphN 0°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:12 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 34°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphN 8°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:13 am EDT
- Sunset: 5:58 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 32°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphNNE 18°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:14 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 36°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphNW 322°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:15 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNW 326°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:17 am EDT
- Sunset: 5:54 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphNNW 348°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:18 am EDT
- Sunset: 5:52 pm EDT
- details ▼
It is expected that a combination of mostly clear and overcast weather is forecasted.
Rainfall is not anticipated in Collinsville in the upcoming days.
In the upcoming period, the highest temperature will range between 57.2°F and 66.2°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 32°F to 44.6°F.
Tuesday and next Monday, with the highest temperature of 66.2°F, will be the warmest days; Sunday, Friday and Saturday, with the highest temperature of 57.2°F, will be the coldest days.
Rainfall is not anticipated in Collinsville in the upcoming days.
In the upcoming period, the highest temperature will range between 57.2°F and 66.2°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 32°F to 44.6°F.
Tuesday and next Monday, with the highest temperature of 66.2°F, will be the warmest days; Sunday, Friday and Saturday, with the highest temperature of 57.2°F, will be the coldest days.
Updated: Oct 18, 2026 @ 11:30:38 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 Sunday, sunshine is forecasted under mostly clear skies.
Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 35.6°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be notably lower than the average low of 45.5°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be notably lower than the average low of 45.5°F.
On Sunday, in Collinsville, sunrise was at 7:07 am and sunset will be at 6:05 pm (EDT).
In Collinsville, the length of the day today will be 10h and 58min.





