Weather forecast for tomorrowSullivan, IN
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSSE 152°
- Humidity: 57%
- UV index: 4
- Sunrise: 8:02 am EDT
- Sunset: 7:06 pm EDT
- details ▼
Tomorrow, on Sunday, conditions remain stable and sunny, with little cloud presence.
A considerable disparity in temperature is expected, reaching up to a maximum of a breezy 66.2°F and falling to a minimum of a cold 35.6°F.
The high temperature is predicted to match October's standard maximum of 65.1°F.
Sunrise will be at 8:02 am and sunset at 7:06 pm; tomorrow's daylight will last for 11h and 4min.
A considerable disparity in temperature is expected, reaching up to a maximum of a breezy 66.2°F and falling to a minimum of a cold 35.6°F.
The high temperature is predicted to match October's standard maximum of 65.1°F.
Sunrise will be at 8:02 am and sunset at 7:06 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.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 6 am - 9 am 4%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphE 99°
- Humidity: 81%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 109°
- Humidity: 89%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphESE 118°
- Humidity: 92%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphSE 126°
- Humidity: 92%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSE 133°
- Humidity: 93%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 8:02 am
- 10 am
- 46°F
- Feels like:45°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphSSE 146°
- Humidity: 73%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 166°
- Humidity: 50%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 162°
- Humidity: 40%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSE 160°
- Humidity: 35%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSE 149°
- Humidity: 38%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 7:06 pm
- 8 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSE 132°
- Humidity: 62%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSE 125°
- Humidity: 77%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, mostly cloudless and sunny weather is anticipated.
The temperature will be between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be at 4 pm and 5 pm.
The high temperature is expected to be in line with October's usual value of 65.1°F. Tomorrow, the overnight low is more resembling November's usual minimum of 37.2°F than October's 48.4°F.
The temperature will be between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be at 4 pm and 5 pm.
The high temperature is expected to be in line with October's usual value of 65.1°F. Tomorrow, the overnight low is more resembling November's usual minimum of 37.2°F than October's 48.4°F.
Updated: Oct 17, 2026 @ 23:45:42 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
Tomorrow, clear and sunny conditions are expected.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 35.6°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 48.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be notably lower than the average low of 48.4°F.
On Sunday, in Sullivan, sunrise will be at 8:02 am and sunset at 7:06 pm (EDT).
In Sullivan, tomorrow, there will be 11h and 4min of daylight.





