Weather forecast for tomorrowSisseton, SD

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphENE 70°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:50 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
Tomorrow, in Sisseton, clear skies and sunshine are anticipated.
A notable disparity in temperature is predicted, reaching up to a maximum of a breezy 66.2°F and falling to a minimum of a cold 39.2°F.
The day's peak of 66.2°F reflects September's seasonal pattern more than October's.
Sunrise will be at 7:50 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 46°F
  • Feels like:
    43°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNNW 333°
  • Humidity: 59%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNNW 332°
  • Humidity: 68%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphNNW 349°
  • Humidity: 75%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphN 352°
  • Humidity: 84%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:50 am
  • 8 am
  • 37°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphN 356°
  • Humidity: 84%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 46°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphNE 50°
  • Humidity: 67%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 81°
  • Humidity: 46%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 94°
  • Humidity: 38%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 97°
  • Humidity: 37%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphESE 104°
  • Humidity: 45%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:35 pm
  • 8 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphESE 118°
  • Humidity: 63%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSE 139°
  • Humidity: 78%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, primarily sun-filled and occasionally cloud-filled weather is anticipated.
The temperature will vary between a minimum of 37.4°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more close to September's average maximum of 72°F than October's usual of 54.9°F. The expected low will be resembling the average minimum in October, which is 40.1°F.
Updated: Oct 18, 2026 @ 16:20:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, expect consistent sunshine and open skies.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The highest temperature will be significantly higher than the average maximum of 54.9°F in October. The lowest temperature will be in line with the average low of 40.1°F.

On Monday, in Sisseton, sunrise will be at 7:50 am and sunset at 6:35 pm (CDT).

In Sisseton, the length of the day tomorrow will be 10h and 46min.