Weather forecast for tomorrowGarretson, SD

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 66°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphESE 115°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:45 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
Tomorrow, on Monday, the weather remains calm, bright, and sunny.
The highest temperature will be an enjoyable 66.2°F, while the lowest temperature will be a chilly 42.8°F.
Expect a warmer feel as the forecasted high matches September's 74.1°F, rather than October's average of 57.4°F.
Sunrise will be at 7:45 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphSE 130°
  • Humidity: 76%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphSE 125°
  • Humidity: 85%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphESE 102°
  • Humidity: 91%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphE 84°
  • Humidity: 95%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:45 am
  • 8 am
  • 39°F
  • Feels like:
    37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 3mphENE 68°
  • Humidity: 94%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphESE 107°
  • Humidity: 73%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphESE 120°
  • Humidity: 53%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 134°
  • Humidity: 43%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSE 141°
  • Humidity: 42%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSE 130°
  • Humidity: 47%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:36 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSE 125°
  • Humidity: 64%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSE 124°
  • Humidity: 74%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of mostly clear and dull weather is forecasted.
The temperature will vary between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature will feel more resembling September's average high than the expected maximum for October. The lowest temperature is close to October's typical minimum of 41.4°F.
Updated: Oct 18, 2026 @ 17:27:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Garretson, the forecast calls for abundant sunshine.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 42.8°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 57.4°F in October. The lowest temperature will be in line with the average low of 41.4°F.

On Monday, in Garretson, sunrise will be at 7:45 am and sunset at 6:36 pm (CDT).

In Garretson, tomorrow, there will be 10h and 50min of daylight.