Weather forecast for todayRalph, SD
Weather forecast for today
Current condition 11:17 am MDT
- 57°F
- Feels like:55°F
Partly Cloudy
- Precipitation: 0"
- Wind: 10mphSE 140°
- Humidity: 54%
- Dewpoint: 41°F
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
At the moment, in Ralph, the day is partly cloudy with intermittent sunshine.
The temperature is a refreshing 57.2°F, the felt air temperature is nearly identical at 55.4°F. The current temperature is a few degrees off the today's maximum of 66.2°F.
The temperature is a refreshing 57.2°F, the felt air temperature is nearly identical at 55.4°F. The current temperature is a few degrees off the today's maximum of 66.2°F.
Wednesday Oct 21, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSE 140°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 5:56 pm MDT
- details ▼
Today, on Wednesday, October 21, expect partly sunny skies with periods of cloudiness.
Temperatures will oscillate between a breezy 66.2°F at their highest and a brisk 42.8°F at their lowest.
A high of 66.2°F is expected, which resembles September's climate average of 73°F more than October's 54.5°F.
Sunrise was at 7:17 am and sunset will be at 5:56 pm; the daylight will last for 10h and 39min.
Temperatures will oscillate between a breezy 66.2°F at their highest and a brisk 42.8°F at their lowest.
A high of 66.2°F is expected, which resembles September's climate average of 73°F more than October's 54.5°F.
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 hour: 4 pm 66°C.
Coldest period: 12 am - 2 am 48°C.
Coldest period: 12 am - 2 am 48°C.
Chance of precipitation
Highest chance: 2 am 6%.
Hourly weather forecast
- 12 pm
- 61°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSE 139°
- Humidity: 48%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 1 pm
- 64°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSE 146°
- Humidity: 42%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSE 146°
- Humidity: 40%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 3 pm
- 66°F
- Feels like:66°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSE 144°
- Humidity: 38%
- 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: 14mphSE 138°
- 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: 13mphSE 137°
- Humidity: 42%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 5:56 pm
- 6 pm
- 59°F
- Feels like:57°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSE 131°
- Humidity: 50%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 7 pm
- 55°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphSE 130°
- 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: 11mphSE 133°
- Humidity: 64%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphSE 133°
- Humidity: 68%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphSE 139°
- Humidity: 72%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphSE 141°
- Humidity: 75%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, in Ralph, a combination of cloud-filled and bright weather is forecasted.
The temperature will be between the lowest temperature of 50°F and the highest temperature of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 73°F more than October's 54.5°F. The lowest temperature is expected to be relatively higher than the average minimum in October, typically 38.8°F.
The temperature will be between the lowest temperature of 50°F and the highest temperature of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 73°F more than October's 54.5°F. The lowest temperature is expected to be relatively higher than the average minimum in October, typically 38.8°F.
Updated: Oct 21, 2026 @ 17:17:23 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
Currently (11:17 am MDT) it is 57.2°F in Ralph.
Today, clouds and sunshine will alternate throughout the day.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 42.8°F.
The highest temperature will be uncommonly higher than the average maximum of 54.5°F in October. The lowest temperature will be a few degrees higher than the average low of 38.8°F.
The highest temperature will be uncommonly higher than the average maximum of 54.5°F in October. The lowest temperature will be a few degrees 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).
Today, the daylight will last for 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: 11:17am MDT
- Sunrise: 7:17 am MDT
- Sunset: 5:56 pm MDT
- Timezone: America/Denver
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