Weather forecast for 10 daysGroton, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 70°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNE 45°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:53 am CDT
- Sunset: 6:41 pm CDT
- details ▼
Today, sunshine and minimal clouds are in the outlook.
The day's temperature scale will range from a significant high of an agreeable 69.8°F to a minimum of an icy 37.4°F.
Today, weather will feel warmer as the high trends toward September's average of 74.3°F.
Sunrise will be at 7:53 am and sunset at 6:41 pm; the daylight will last for 10h and 49min.
The day's temperature scale will range from a significant high of an agreeable 69.8°F to a minimum of an icy 37.4°F.
Today, weather will feel warmer as the high trends toward September's average of 74.3°F.
Sunrise will be at 7:53 am and sunset at 6:41 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: Friday 77°C.
Coldest day: Sunday 25.10. 59°C.
Coldest day: Sunday 25.10. 59°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 70°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNE 45°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:53 am CDT
- Sunset: 6:41 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 43°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphENE 78°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:54 am CDT
- Sunset: 6:40 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 45°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphS 171°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:55 am CDT
- Sunset: 6:38 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphNE 42°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:57 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 59°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 12mphSSE 154°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:58 am CDT
- Sunset: 6:35 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 57°F
Mostly Cloudy / Wind
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 22mphSSE 165°
- Humidity: 55%
- UV index: 2
- Sunrise: 7:59 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 16mphW 260°
- Humidity: 61%
- UV index: 2
- Sunrise: 8:01 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 59°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphENE 78°
- Humidity: 58%
- UV index: 3
- Sunrise: 8:02 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 61°F
- 48°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 13mphSE 126°
- Humidity: 71%
- UV index: 3
- Sunrise: 8:03 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 45°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 15mphSSE 153°
- Humidity: 67%
- UV index: 3
- Sunrise: 8:05 am CDT
- Sunset: 6:27 pm CDT
- details ▼
Ten-day trends indicate that a combination of sun-filled and cloud-filled weather is forecasted.
Rain is not predicted in Groton in the upcoming period.
The temperature will vary considerably in the next ten days. Highs will range from 59°F to 77°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 37.4°F up to 59°F.
Expect the warmest day on Friday, with temperatures peaking at 77°F; with the highest temperature of 59°F, next Sunday will be the coldest day.
Rain is not predicted in Groton in the upcoming period.
The temperature will vary considerably in the next ten days. Highs will range from 59°F to 77°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 37.4°F up to 59°F.
Expect the warmest day on Friday, with temperatures peaking at 77°F; with the highest temperature of 59°F, next Sunday will be the coldest day.
Updated: Oct 18, 2026 @ 10:34:22 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
Today, conditions will remain bright with clear skies.
Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 37.4°F.
The maximum temperature today will be noticeably higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 40.1°F.
The maximum temperature today will be noticeably higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 40.1°F.
On Sunday, in Groton, sunrise will be at 7:53 am and sunset at 6:41 pm (CDT).
In Groton, South Dakota, the length of the day today will be 10h and 49min.





