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 40°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:07 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
On Sunday, in Collinsville, expect consistent sunshine and open skies.
The highest temperature will be a moderate 57.2°F, while the lowest temperature will be a cold 35.6°F.
Today's high is expected to coincide with the typical October maximum of 60.1°F.
Sunrise will be at 7:07 am and sunset 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 40°
  • Humidity: 58%
  • 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 24°
  • 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 19°
  • 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
  • ▼
In the days ahead, a combination of sun-filled and dull weather is predicted.
Rain is not anticipated in Collinsville in the upcoming days.
In the coming days, the maximum temperature will range between 57.2°F and 66.2°F, while the lowest night temperatures will vary significantly, as the minimum temperature is expected to range between 32°F and 44.6°F.
The warmest days will be Tuesday and next Monday, with a maximum of 66.2°F; with a maximum temperature of 57.2°F, Sunday, Friday and Saturday will be the coldest days.
Updated: Oct 18, 2026 @ 09:46:46 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, skies are expected to be clear and full of sunshine.

Today, the highest temperature will be 57.2°F, while the lowest temperature will be 35.6°F.
The highest temperature will be in line with the average maximum of 60.1°F in October. Today, the lowest temperature will be noticeably lower than the average low of 45.5°F.

On Sunday, in Collinsville, sunrise will be at 7:07 am and sunset at 6:05 pm (EDT).

In Collinsville, today, there will be 10h and 58min of daylight.