Weather forecast for tomorrowGary, SD
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 39°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 20mphWSW 245°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:45 am CDT
- Sunset: 6:36 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, mostly sunny skies are expected.
Temperature fluctuations will be substantial, ranging from a peak of a delightful 68°F to a low of a wintry 39.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 72.5°F, not October's.
Sunrise will be at 7:45 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 51min.
Temperature fluctuations will be substantial, ranging from a peak of a delightful 68°F to a low of a wintry 39.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 72.5°F, not October's.
Sunrise will be at 7:45 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 51min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am - 9 am 4%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNNW 328°
- Humidity: 72%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphNNW 345°
- Humidity: 77%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphN 351°
- Humidity: 82%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphN 353°
- Humidity: 85%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:45 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphN 6°
- Humidity: 86%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNE 45°
- Humidity: 71%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphE 81°
- Humidity: 53%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 96°
- Humidity: 43%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphESE 104°
- Humidity: 39%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 98°
- Humidity: 45%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:36 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphESE 119°
- Humidity: 64%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSE 145°
- Humidity: 73%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of dry and sunny and dull weather is anticipated.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The expected low will be close to the average minimum in October, which is 41°F.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. The expected low will be close to the average minimum in October, which is 41°F.
Updated: Oct 18, 2026 @ 04:11:28 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, in Gary, a glowing sky and minimal clouds are expected.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 39.2°F.
Tomorrow, the highest temperature will be significantly higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 41°F.
Tomorrow, the highest temperature will be significantly higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 41°F.
On Sunday, in Gary, sunrise will be at 7:45 am and sunset at 6:36 pm (CDT).
Tomorrow, the daylight will last for 10h and 51min.





