Weather forecast for 10 daysGustave, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNE 34°
- Humidity: 35%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 6:05 pm MDT
- details ▼
Today, on Sunday, October 18, mostly sunny skies are expected.
Substantial temperature variations are forecasted, soaring to a maximum of an enjoyable 66.2°F and descending to a minimum of a cold 37.4°F.
Today, the temperature forecast of 66.2°F will better match September's climate average than that of October.
Sunrise will be at 7:16 am and sunset at 6:05 pm; the daylight will last for 10h and 49min.
Substantial temperature variations are forecasted, soaring to a maximum of an enjoyable 66.2°F and descending to a minimum of a cold 37.4°F.
Today, the temperature forecast of 66.2°F will better match September's climate average than that of October.
Sunrise will be at 7:16 am and sunset at 6:05 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: Thursday 75°C.
Coldest day: Saturday 50°C.
Coldest day: Saturday 50°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphNE 34°
- Humidity: 35%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 6:05 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 37°F
Sunny / Wind
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 22mphSE 129°
- Humidity: 40%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 6:03 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphWSW 250°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:18 am MDT
- Sunset: 6:02 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 13mphE 90°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:20 am MDT
- Sunset: 6:00 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphSSE 156°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:21 am MDT
- Sunset: 5:58 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 41°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 17mphSW 219°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:23 am MDT
- Sunset: 5:57 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 34°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 19mphWNW 298°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:24 am MDT
- Sunset: 5:55 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 37°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 15mphESE 118°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:25 am MDT
- Sunset: 5:54 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 36°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 13mphESE 120°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:27 am MDT
- Sunset: 5:52 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 52°F
- 36°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphENE 67°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:28 am MDT
- Sunset: 5:51 pm MDT
- details ▼
Looking ahead to the next ten days, a combination of sun-filled and gloomy weather is anticipated.
Rain is not predicted in Gustave in the upcoming days.
Temperature fluctuation will be noticeable in the upcoming period. Forecast highs will fluctuate between 50°F and 75.2°F, while the nightly low temperatures will show also a considerable swing, as nighttime lows are forecast to fall between 33.8°F and 51.8°F.
Thursday is expected to be the warmest, reaching up to 75.2°F; the lowest daytime temperature of the period will be reached on Saturday, peaking at 50°F.
Rain is not predicted in Gustave in the upcoming days.
Temperature fluctuation will be noticeable in the upcoming period. Forecast highs will fluctuate between 50°F and 75.2°F, while the nightly low temperatures will show also a considerable swing, as nighttime lows are forecast to fall between 33.8°F and 51.8°F.
Thursday is expected to be the warmest, reaching up to 75.2°F; the lowest daytime temperature of the period will be reached on Saturday, peaking at 50°F.
Updated: Oct 18, 2026 @ 07:25:35 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, bright conditions and mild breezes are expected.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature today will be uncommonly higher than the average maximum of 55.4°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature today will be uncommonly higher than the average maximum of 55.4°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Gustave, sunrise will be at 7:16 am and sunset at 6:05 pm (MDT).
In Gustave, the length of the day today will be 10h and 49min.
