Weather forecast for 10 daysNew Underwood, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphNNE 17°
- Humidity: 27%
- UV index: 3
- Sunrise: 7:10 am MDT
- Sunset: 6:02 pm MDT
- details ▼
On Sunday, October 18, mostly sunny and dry conditions will continue.
Temperatures are forecasted to move from a peak of a delightful 68°F to a low of a wintry 35.6°F.
Today, expect a warmer trend, with a high of 68°F more common in September.
Sunrise was at 7:10 am and sunset will be at 6:02 pm; the daylight will last for 10h and 52min.
Temperatures are forecasted to move from a peak of a delightful 68°F to a low of a wintry 35.6°F.
Today, expect a warmer trend, with a high of 68°F more common in September.
Sunrise was at 7:10 am and sunset will be at 6:02 pm; the daylight will last for 10h and 52min.
10-day overview
Daily temperatures
Warmest day: Tuesday 79°C.
Coldest day: Saturday 55°C.
Coldest day: Saturday 55°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphNNE 17°
- Humidity: 27%
- UV index: 3
- Sunrise: 7:10 am MDT
- Sunset: 6:02 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSE 145°
- Humidity: 43%
- UV index: 3
- Sunrise: 7:11 am MDT
- Sunset: 6:01 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 79°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 13mphS 173°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:12 am MDT
- Sunset: 5:59 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphNNE 18°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:14 am MDT
- Sunset: 5:57 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 16mphSSE 167°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 5:56 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 45°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 16mphSSW 213°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 5:54 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 37°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 18mphNNW 334°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 5:53 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 63°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSE 157°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:19 am MDT
- Sunset: 5:51 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 12mphSE 146°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:20 am MDT
- Sunset: 5:50 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 57°F
- 41°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 12mphSSE 147°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:21 am MDT
- Sunset: 5:48 pm MDT
- details ▼
For the next ten days, a combination of dry and sunny and cloud-filled weather is forecasted.
Rain is not expected in New Underwood in the upcoming days.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 55.4°F and 78.8°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 35.6°F and 57.2°F.
Expect the warmest day on Tuesday, with temperatures peaking at 78.8°F; with the highest temperature of 55.4°F, Saturday will be the coldest day.
Rain is not expected in New Underwood in the upcoming days.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 55.4°F and 78.8°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 35.6°F and 57.2°F.
Expect the warmest day on Tuesday, with temperatures peaking at 78.8°F; with the highest temperature of 55.4°F, Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 16:50:11 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, mainly sunny skies with just a few high clouds are anticipated.
Today, the maximum temperature will be 68°F, while the minimum temperature will be 35.6°F.
Today, the highest temperature will be uncommonly higher than the average maximum of 56.5°F in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.
Today, the highest temperature will be uncommonly higher than the average maximum of 56.5°F in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.
On Sunday, in New Underwood, sunrise was at 7:10 am and sunset will be at 6:02 pm (MDT).
In New Underwood, today, there will be 10h and 52min of daylight.





