Weather forecast for 10 daysSisseton, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 70°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNW 321°
- Humidity: 42%
- UV index: 3
- Sunrise: 7:49 am CDT
- Sunset: 6:37 pm CDT
- details ▼
On Sunday, in Sisseton, uninterrupted sunshine is anticipated.
Temperature measurements will peak at a pleasant 69.8°F, with a considerable drop to a low of a wintry 37.4°F.
The forecast high of 69.8°F aligns more closely with September's typical high of 72°F than with October's usual 54.9°F.
Sunrise was at 7:49 am and sunset will be at 6:37 pm; the daylight will last for 10h and 49min.
Temperature measurements will peak at a pleasant 69.8°F, with a considerable drop to a low of a wintry 37.4°F.
The forecast high of 69.8°F aligns more closely with September's typical high of 72°F than with October's usual 54.9°F.
Sunrise was at 7:49 am and sunset will be at 6:37 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: Friday 75°C.
Coldest period: Sunday - Tuesday 59°C.
Coldest period: Sunday - Tuesday 59°C.
Chance of precipitation
Highest chance: Saturday 31%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 70°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNW 321°
- Humidity: 42%
- UV index: 3
- Sunrise: 7:49 am CDT
- Sunset: 6:37 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphENE 72°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:35 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 46°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 16mphS 172°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:51 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphNNW 339°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:53 am CDT
- Sunset: 6:32 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 57°F
Mostly Sunny
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 13mphSSE 154°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:54 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 61°F
Mostly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 22mphSSE 161°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:55 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 66°F
- 43°F
AM Showers
- Precip. probability: 31%
- Precipitation: 0.04"
- Wind: 17mphWSW 245°
- Humidity: 59%
- UV index: 2
- Sunrise: 7:57 am CDT
- Sunset: 6:27 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 59°F
- 41°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphNW 308°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:58 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 48°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 14mphSE 128°
- Humidity: 70%
- UV index: 3
- Sunrise: 8:00 am CDT
- Sunset: 6:24 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 59°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphSSE 154°
- Humidity: 71%
- UV index: 2
- Sunrise: 8:01 am CDT
- Sunset: 6:22 pm CDT
- details ▼
During the ten-day period, mostly clear, dull and damp weather is forecasted.
With a probability of 31%, rainfall is predicted only for Saturday. The precipitation will be minimal at 0.04".
Expect a substantial fluctuation in daytime highs throughout the forecast window. The temperature is expected to swing from 59°F up to 75.2°F, while there will be also a marked difference in overnight low temperatures, as the lowest temperatures will be recorded between 37.4°F and 60.8°F.
The warmest day will be Friday, with a maximum of 75.2°F; the coldest days will be next Sunday through next Tuesday, with a maximum of 59°F.
With a probability of 31%, rainfall is predicted only for Saturday. The precipitation will be minimal at 0.04".
Expect a substantial fluctuation in daytime highs throughout the forecast window. The temperature is expected to swing from 59°F up to 75.2°F, while there will be also a marked difference in overnight low temperatures, as the lowest temperatures will be recorded between 37.4°F and 60.8°F.
The warmest day will be Friday, with a maximum of 75.2°F; the coldest days will be next Sunday through next Tuesday, with a maximum of 59°F.
Updated: Oct 18, 2026 @ 12:49:23 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, sunny conditions are expected to continue.
Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be noticeably higher than the average highest temperature of 54.9°F in October. Today, the lowest temperature will be in line with the average low temperature.
The maximum temperature will be noticeably higher than the average highest temperature of 54.9°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Sisseton, sunrise was at 7:49 am and sunset will be at 6:37 pm (CDT).
In Sisseton, the length of the day today will be 10h and 49min.
