Weather forecast for 10 daysCollinsville, CT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNE 54°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:07 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
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.

10-day overview

Daily temperatures

Maximum temperature: 66°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
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphNE 54°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:07 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 45°F
Mostly Sunny
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
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 43°F
Partly Cloudy
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
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 59°F
  • 41°F
Mostly Sunny
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
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 10mphN 0°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:12 am EDT
  • Sunset: 5:59 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 57°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphN 8°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:13 am EDT
  • Sunset: 5:58 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 57°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphNNE 18°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:14 am EDT
  • Sunset: 5:57 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 36°F
Mostly Sunny
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
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 43°F
Partly Cloudy
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
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 63°F
  • 37°F
Partly Cloudy
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
  • ▼
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.
Updated: Oct 18, 2026 @ 11:30:38 UTC
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.

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.