Weather forecast for tomorrowStephan, SD

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphENE 59°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:56 am CDT
  • Sunset: 6:48 pm CDT
  • ▼
Tomorrow, in Stephan, sunny and dry conditions are anticipated.
The highest daytime temperature will touch a delightful 69.8°F, creating a significant contrast with the forecasted nighttime low of a wintry 41°F.
Tomorrow, the temperature forecast of 69.8°F will better match September's climate average than that of October.
Sunrise will be at 7:56 am and sunset at 6:48 pm; tomorrow's daylight will last for 10h and 52min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 43°C.

Chance of precipitation

Highest chance: 6 am - 9 am 2%.

Hourly weather forecast

  • 12 am
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 10mphS 172°
  • Humidity: 48%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 172°
  • Humidity: 58%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 45°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 172°
  • Humidity: 64%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphSSE 167°
  • Humidity: 71%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:56 am
  • 8 am
  • 39°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphSSE 148°
  • Humidity: 79%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphENE 59°
  • Humidity: 62%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphNE 42°
  • Humidity: 42%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 40°
  • Humidity: 36%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphNE 39°
  • Humidity: 37%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphNE 41°
  • Humidity: 39%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:48 pm
  • 8 pm
  • 55°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphNE 47°
  • Humidity: 52%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphNE 40°
  • Humidity: 58%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, primarily sun-filled and occasionally cloudy weather is predicted.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 68°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the forecasted maximum will be more comparable to September's average high of 75.4°F than October's 56.8°F. Tomorrow, the minimum temperature will be comparable to the average low for October.
Updated: Oct 18, 2026 @ 03:48:26 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect sunny weather with a crisp, clear sky.

Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 41°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 56.8°F in October. The lowest temperature will be in line with the average low of 41.2°F.

On Sunday, in Stephan, sunrise will be at 7:56 am and sunset at 6:48 pm (CDT).

Tomorrow in Stephan, the daylight will last for 10h and 52min.