Weather forecast for tomorrowCollinsville, OH

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphSE 133°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:51 am EDT
  • Sunset: 6:55 pm EDT
  • ▼
Tomorrow, in Collinsville, expect consistent sunshine and open skies.
The highest daytime temperature will touch an enjoyable 64.4°F, creating a significant contrast with the expected nighttime low of a wintry 35.6°F.
Tomorrow's maximum temperature is expected to reflect the standard October high of 63°F.
Sunrise will be at 7:51 am and sunset at 6:55 pm; tomorrow's daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 63°C.
Coldest hour: 6 am 36°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphNE 34°
  • Humidity: 93%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphENE 63°
  • Humidity: 93%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphENE 61°
  • Humidity: 98%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphE 87°
  • Humidity: 98%
  • Pressure: 30.53"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunrise: 7:51 am
  • 8 am
  • 34°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphESE 109°
  • Humidity: 97%
  • Pressure: 30.56"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSE 136°
  • Humidity: 71%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 150°
  • Humidity: 49%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSE 142°
  • Humidity: 37%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSE 140°
  • Humidity: 33%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 134°
  • Humidity: 39%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:55 pm
  • 8 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 115°
  • Humidity: 56%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphESE 120°
  • Humidity: 67%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, bright and mostly sunny weather is expected.
The temperature will be between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day is anticipated around 4 pm.
The forecasted high will be resembling the typical October maximum of 63°F. The expected low will be more alike with what’s common in November than the current October average of 46.6°F.
Updated: Oct 18, 2026 @ 01:09:10 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Collinsville, expect sunny weather with a crisp, clear sky.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 46.6°F.

On Sunday, in Collinsville, sunrise will be at 7:51 am and sunset at 6:55 pm (EDT).

In Collinsville, tomorrow, there will be 11h and 4min of daylight.