Weather forecast for tomorrowKeystone, IN
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 191°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:55 am EDT
- Sunset: 6:56 pm EDT
- details ▼
Tomorrow, on Sunday, October 18, sunshine and minimal clouds are also in the outlook.
A remarkable high of a breezy 64.4°F during the day and a stark low of an icy 35.6°F at night are anticipated.
The expected peak temperature will reflect the average October high of 61.7°F.
Sunrise will be at 7:55 am and sunset at 6:56 pm; tomorrow's daylight will last for 11h and 1min.
A remarkable high of a breezy 64.4°F during the day and a stark low of an icy 35.6°F at night are anticipated.
The expected peak temperature will reflect the average October high of 61.7°F.
Sunrise will be at 7:55 am and sunset at 6:56 pm; tomorrow's daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 6 am - 9 am 3%.
Hourly weather forecast
- 12 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphS 186°
- Humidity: 73%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphS 183°
- Humidity: 78%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 34°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphS 187°
- Humidity: 84%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:30°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphS 185°
- Humidity: 83%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:55 am
- 8 am
- 34°F
- Feels like:30°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphS 184°
- Humidity: 85%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 191°
- Humidity: 66%
- 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: 8mphSSW 199°
- Humidity: 50%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSSW 194°
- Humidity: 40%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 187°
- Humidity: 37%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 179°
- Humidity: 39%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:56 pm
- 8 pm
- 52°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSE 163°
- Humidity: 55%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 171°
- Humidity: 65%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, clear skies and sunny weather are expected.
The temperature will be between a minimum of 33.8°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be comparable to October's average high. The lowest temperature is more comparable to November's average minimum of 35.1°F than the usual minimum of 46.2°F in October.
The temperature will be between a minimum of 33.8°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be comparable to October's average high. The lowest temperature is more comparable to November's average minimum of 35.1°F than the usual minimum of 46.2°F in October.
Updated: Oct 17, 2026 @ 16:41:54 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, skies will stay clear and sunny.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 61.7°F in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 46.2°F.
The maximum temperature will be in line with the average highest temperature of 61.7°F in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 46.2°F.
On Sunday, in Keystone, sunrise will be at 7:55 am and sunset at 6:56 pm (EDT).
In Keystone, tomorrow, there will be 11h and 1min of daylight.





