Weather forecast for todayRalph, SD
Weather forecast for today
Current condition 12:46 pm MDT
- 63°F
- Feels like:63°F
Partly Cloudy
- Precipitation: 0"
- Wind: 12mphSSE 150°
- Humidity: 43%
- Dewpoint: 39°F
- Pressure: 30.17"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
Currently, in Ralph, the sky is shifting between clouds and sunshine.
The temperature is an enjoyable 62.6°F. The current temperature is almost at the maximum expected 66.2°F for today.
The temperature is an enjoyable 62.6°F. The current temperature is almost at the maximum expected 66.2°F for today.
Wednesday Oct 21, 2026
- 66°F
- 45°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSE 138°
- Humidity: 41%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 5:56 pm MDT
- details ▼
Today, on Wednesday, October 21, expect a partly sunny afternoon with variable cloud cover.
The temperature is anticipated to vary between a breezy 66.2°F and a brisk 44.6°F.
With a forecast of 66.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:17 am and sunset will be at 5:56 pm; the daylight will last for 10h and 39min.
The temperature is anticipated to vary between a breezy 66.2°F and a brisk 44.6°F.
With a forecast of 66.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:17 am and sunset will be at 5:56 pm; the daylight will last for 10h and 39min.
Hourly overview
Hourly temperatures
Warmest period: 2 pm - 4 pm 66°C.
Coldest hour: 10 pm 52°C.
Coldest hour: 10 pm 52°C.
Chance of precipitation
Highest chance: 9 pm - 10 pm 2%.
Hourly weather forecast
- 1 pm
- 64°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSE 141°
- Humidity: 41%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSE 141°
- Humidity: 39%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 3 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSE 141°
- Humidity: 37%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSE 137°
- Humidity: 38%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSE 136°
- Humidity: 42%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 5:56 pm
- 6 pm
- 61°F
- Feels like:59°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSE 133°
- Humidity: 50%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 7 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphSE 132°
- Humidity: 59%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSE 134°
- Humidity: 65%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 54°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphSE 134°
- Humidity: 68%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphSE 138°
- Humidity: 72%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 52°F
- Feels like:46°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 12mphSE 144°
- Humidity: 74%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, in Ralph, a combination of sunny and gloomy weather is predicted.
The temperature will vary between the highest temperature of 66.2°F and the lowest temperature of 51.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 73°F more than October's 54.5°F. The minimum temperature will be moderately higher than October's average low of 38.8°F.
The temperature will vary between the highest temperature of 66.2°F and the lowest temperature of 51.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 73°F more than October's 54.5°F. The minimum temperature will be moderately higher than October's average low of 38.8°F.
Updated: Oct 21, 2026 @ 18:46:03 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
At 12:46 pm MDT, the temperature is 62.6°F.
On Wednesday, clouds and sunshine will create a dynamic sky throughout the day.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 44.6°F.
The highest temperature will be notably higher than the average maximum of 54.5°F in October. The lowest temperature will be moderately higher than the average low of 38.8°F.
The highest temperature will be notably higher than the average maximum of 54.5°F in October. The lowest temperature will be moderately higher than the average low of 38.8°F.
On Wednesday, in Ralph, sunrise was at 7:17 am and sunset will be at 5:56 pm (MDT).
In Ralph, the length of the day today will be 10h and 39min.
Ralph, South Dakota, USA
- en: Ralph, South Dakota, USA
- es: Ralph, Dakota del Sur, EE.UU.
- hr: Ralьf, Južna Dakota, SAD
- mk: Ralьf, Južna Dakota, SAD
- sr: Ralьf, Južna Dakota, SAD
- zh: Ralph, 南达科他州, 美国
- Latitude: 45.776667°
- Longitude: -103.066004°
- Elevation: 2736 ft
- Current time: 12:46pm MDT
- Sunrise: 7:17 am MDT
- Sunset: 5:56 pm MDT
- Timezone: America/Denver
Nearby Ralph, South Dakota, USA
- Ludlow (16 mi)
- Reva (16 mi)
- Lodgepole (20 mi)
- Prairie City (21 mi)
- Reeder (24 mi)
- Sorum (24 mi)
- Gascoyne (24 mi)
- Bucyrus (24 mi)
- Hettinger (26 mi)
- Scranton (26 mi)
- Buffalo (27 mi)
- Harding County (30 mi)
- Haynes (32 mi)
- Bowman (32 mi)
- Bison (34 mi)
- White Butte (35 mi)
- Petrel (40 mi)
- Redig (42 mi)
- Rhame (42 mi)
- Shadehill (43 mi)
- Summerville (43 mi)
- Meadow (45 mi)
- Lemmon (45 mi)
- Camp Crook (47 mi)
South Dakota, USA - most visited locations
- Sioux Falls
- Rapid City
- Aberdeen
- Brookings
- Watertown
- Mitchell
- Yankton
- Pierre
- Huron
- Spearfish
- Vermillion
- Brandon
- Box Elder
- Madison
- Sturgis
- Harrisburg
- Belle Fourche
- Dell Rapids
- Hot Springs
- Mobridge
- Milbank
- Canton
- Lead
- Winner
- North Sioux City
- Lennox
- Sisseton
- Chamberlain
- Flandreau
- Redfield
- Fort Pierre
- Volga
- Beresford
- Springfield
- Custer
- Mount Rushmore National...





