Weather forecast for 10 daysChester, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphS 189°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:46 am CDT
- Sunset: 6:39 pm CDT
- details ▼
Today, sunshine is forecasted under mostly clear skies.
A daytime temperature reaching up to a comfortable 66.2°F will sharply contrast with a nighttime low of an icy 37.4°F.
Today, the forecasted high of 66.2°F is more in line with September's average of 73.2°F than October's 56.3°F.
Sunrise will be at 7:46 am and sunset at 6:39 pm; the daylight will last for 10h and 53min.
A daytime temperature reaching up to a comfortable 66.2°F will sharply contrast with a nighttime low of an icy 37.4°F.
Today, the forecasted high of 66.2°F is more in line with September's average of 73.2°F than October's 56.3°F.
Sunrise will be at 7:46 am and sunset at 6:39 pm; the daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 75°C.
Coldest day: Sunday 25.10. 59°C.
Coldest day: Sunday 25.10. 59°C.
Chance of precipitation
Highest chance: Saturday 43%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphS 189°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:46 am CDT
- Sunset: 6:39 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphESE 113°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:47 am CDT
- Sunset: 6:37 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 17mphSSE 162°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:48 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 8mphSSE 166°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 55°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 12mphSE 144°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:51 am CDT
- Sunset: 6:32 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 59°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 22mphSSE 159°
- Humidity: 57%
- UV index: 2
- Sunrise: 7:52 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 68°F
- 45°F
AM Showers
- Precip. probability: 43%
- Precipitation: 0.08"
- Wind: 17mphSW 215°
- Humidity: 64%
- UV index: 2
- Sunrise: 7:53 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 59°F
- 45°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0.04"
- Wind: 9mphENE 57°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:55 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 63°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 13mphSE 134°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:56 am CDT
- Sunset: 6:26 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 63°F
- 46°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphSSE 153°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:57 am CDT
- Sunset: 6:25 pm CDT
- details ▼
Models point to a combination of bright, dull and rainy weather is anticipated.
Rainfall is forecasted for Saturday and next Sunday.
Temperature variation will be noticeable across the forecast period. Maximum temperatures are forecasted between 59°F and 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 37.4°F and 59°F.
With a maximum temperature of 75.2°F, Thursday and Friday will be the warmest days in Chester; next Sunday will be the coldest day, with the highest temperature of 59°F.
Rainfall is forecasted for Saturday and next Sunday.
Temperature variation will be noticeable across the forecast period. Maximum temperatures are forecasted between 59°F and 75.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 37.4°F and 59°F.
With a maximum temperature of 75.2°F, Thursday and Friday will be the warmest days in Chester; next Sunday will be the coldest day, with the highest temperature of 59°F.
Updated: Oct 18, 2026 @ 10:01:47 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, in Chester, bright and sunny weather is expected.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature today will be notably higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 40.8°F.
The maximum temperature today will be notably higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 40.8°F.
On Sunday, in Chester, sunrise will be at 7:46 am and sunset at 6:39 pm (CDT).
In Chester, today, there will be 10h and 53min of daylight.
