Weather forecast for 10 daysBuffalo, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphNNE 27°
- Humidity: 34%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 6:03 pm MDT
- details ▼
On Sunday, October 18, clear skies with only minor cloud interruptions are in the outlook.
Dramatic changes in temperature are expected, reaching a high of an enjoyable 66.2°F and falling to a low of a wintry 35.6°F.
Today, the temperature forecast of 66.2°F will better match September's climate average than that of October.
Sunrise will be at 7:15 am and sunset at 6:03 pm; the daylight will last for 10h and 49min.
Dramatic changes in temperature are expected, reaching a high of an enjoyable 66.2°F and falling to a low of a wintry 35.6°F.
Today, the temperature forecast of 66.2°F will better match September's climate average than that of October.
Sunrise will be at 7:15 am and sunset at 6:03 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: Thursday 75°C.
Coldest day: Saturday 52°C.
Coldest day: Saturday 52°C.
Chance of precipitation
Highest chance: Saturday 22%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 36°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphNNE 27°
- Humidity: 34%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 6:03 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 39°F
Sunny / Wind
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 22mphSE 139°
- Humidity: 41%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 6:01 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 39°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphSW 223°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 6:00 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 13mphE 81°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:19 am MDT
- Sunset: 5:58 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 54°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 15mphSSE 162°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:20 am MDT
- Sunset: 5:56 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 41°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 19mphSSW 211°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:21 am MDT
- Sunset: 5:55 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 34°F
Partly Cloudy / Wind
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 21mphWNW 296°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:23 am MDT
- Sunset: 5:53 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 37°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 16mphSE 128°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:24 am MDT
- Sunset: 5:51 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 16mphSE 127°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:25 am MDT
- Sunset: 5:50 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 54°F
- 36°F
Mostly Sunny
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 16mphSE 136°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:27 am MDT
- Sunset: 5:48 pm MDT
- details ▼
Across the following ten days, a combination of mostly clear and dull weather is predicted.
Rainfall is not forecasted in Buffalo in the upcoming days.
There will be a considerable variation in temperature in the coming days. Maximum temperatures are forecasted between 51.8°F and 75.2°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 33.8°F up to 53.6°F.
The warmest day will be Thursday, with a maximum of 75.2°F; with the highest temperature of 51.8°F, Saturday will be the coldest day.
Rainfall is not forecasted in Buffalo in the upcoming days.
There will be a considerable variation in temperature in the coming days. Maximum temperatures are forecasted between 51.8°F and 75.2°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 33.8°F up to 53.6°F.
The warmest day will be Thursday, with a maximum of 75.2°F; with the highest temperature of 51.8°F, Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 09:07:20 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, open skies and radiant sunshine are expected.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
The highest temperature today will be significantly higher than the average maximum of 55.4°F in October. The lowest temperature today will be slightly cooler than the average low temperature.
The highest temperature today will be significantly higher than the average maximum of 55.4°F in October. The lowest temperature today will be slightly cooler than the average low temperature.
On Sunday, in Buffalo, sunrise will be at 7:15 am and sunset at 6:03 pm (MDT).
In Buffalo, today, there will be 10h and 49min of daylight.





