Weather forecast for todaySinai, SD
Weather forecast for today
Current condition 12:44 pm CDT
- 57°F
- Feels like:54°F
Sunny / Wind
- Precipitation: 0"
- Wind: 24mphS 190°
- Humidity: 39%
- Dewpoint: 34°F
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
Currently, in Sinai, a sunny day with a brisk breeze moving through.
The temperature is a moderate 57.2°F, and the felt air temperature is estimated at a fresh 53.6°F. The current temperature is nearly at the maximum anticipated 60.8°F for today.
The temperature is a moderate 57.2°F, and the felt air temperature is estimated at a fresh 53.6°F. The current temperature is nearly at the maximum anticipated 60.8°F for today.
Saturday Oct 17, 2026
- 61°F
- 43°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 24mphSSW 196°
- Humidity: 38%
- UV index: 3
- Sunrise: 7:45 am CDT
- Sunset: 6:40 pm CDT
- details ▼
Today, on Saturday, October 17, sunshine with noticeable winds is expected.
The temperature is anticipated to vary between a maximum of a comfortable 60.8°F and a minimum of a frosty 42.8°F.
Today's forecasted high will be moderately higher than the typical October high of 55.6°F.
Sunrise was at 7:45 am and sunset will be at 6:40 pm; the daylight will last for 10h and 55min.
The temperature is anticipated to vary between a maximum of a comfortable 60.8°F and a minimum of a frosty 42.8°F.
Today's forecasted high will be moderately higher than the typical October high of 55.6°F.
Sunrise was at 7:45 am and sunset will be at 6:40 pm; the daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 10 pm 50°C.
Coldest hour: 10 pm 50°C.
Chance of precipitation
Highest chance: 1 pm - 10 pm 0%.
Hourly weather forecast
- 1 pm
- 59°F
- Feels like:54°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 24mphSSW 198°
- Humidity: 38%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 61°F
- Feels like:57°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 24mphSSW 197°
- Humidity: 36%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 3 pm
- 63°F
- Feels like:59°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 24mphSSW 197°
- Humidity: 34%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 61°F
- Feels like:57°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 22mphSSW 196°
- Humidity: 35%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 61°F
- Feels like:57°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 20mphSSW 194°
- Humidity: 36%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphS 189°
- Humidity: 39%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:40 pm
- 7 pm
- 57°F
- Feels like:54°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphS 188°
- Humidity: 44%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 54°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphS 186°
- Humidity: 51%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 52°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphS 186°
- Humidity: 54%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphS 189°
- Humidity: 57%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 50°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 191°
- Humidity: 59%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, sunshine is expected.
The temperature will vary between the lowest temperature of 50°F and the highest temperature of 62.6°F. The warmest part of the day is expected around 3 pm.
Today, expect temperatures a few degrees higher than what is usual for October. The nighttime low today will be also close to October's typical minimum temperature.
The temperature will vary between the lowest temperature of 50°F and the highest temperature of 62.6°F. The warmest part of the day is expected around 3 pm.
Today, expect temperatures a few degrees higher than what is usual for October. The nighttime low today will be also close to October's typical minimum temperature.
Updated: Oct 17, 2026 @ 17:44:55 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
Currently (12:44 pm CDT) it is 57.2°F in Sinai.
On Saturday, wind gusts may pick up while sunny weather holds steady.
Today, the highest temperature will be 60.8°F, while the lowest temperature will be 42.8°F.
The highest temperature will be a couple of degrees higher than the average maximum of 55.6°F in October. The lowest temperature will be in line with the average low of 39.6°F.
The highest temperature will be a couple of degrees higher than the average maximum of 55.6°F in October. The lowest temperature will be in line with the average low of 39.6°F.
On Saturday, in Sinai, sunrise was at 7:45 am and sunset will be at 6:40 pm (CDT).
In Sinai, today, there will be 10h and 55min of daylight.
Sinai, South Dakota, USA
- en: Sinai, South Dakota, USA
- es: Sinai, Dakota del Sur, EE.UU.
- hr: Sajnaj, Južna Dakota, SAD
- mk: Sajnaj, Južna Dakota, SAD
- sr: Sajnaj, Južna Dakota, SAD
- zh: 赛奈, 南达科他州, 美国
- Latitude: 44.244415°
- Longitude: -97.040895°
- Elevation: 1788 ft
- Current time: 12:44pm CDT
- Sunrise: 7:45 am CDT
- Sunset: 6:40 pm CDT
- Timezone: America/Chicago
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