Weather forecast for todayRalph, SD

Weather forecast for today

Current condition 12:46 pm MDT

  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 12mphSSE 150°
  • Humidity: 43%
  • Dewpoint: 39°F
  • Pressure: 30.17"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
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.

Wednesday Oct 21, 2026

  • 66°F
  • 45°F
Partly Cloudy
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
  • ▼
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.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 66°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
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSE 141°
  • Humidity: 41%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSE 141°
  • Humidity: 39%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 3 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSE 141°
  • Humidity: 37%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSE 137°
  • Humidity: 38%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSE 136°
  • Humidity: 42%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:56 pm
  • 6 pm
  • 61°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSE 133°
  • Humidity: 50%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphSE 132°
  • Humidity: 59%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSE 134°
  • Humidity: 65%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 54°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSE 134°
  • Humidity: 68%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSE 138°
  • Humidity: 72%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 52°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphSE 144°
  • Humidity: 74%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
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.
Updated: Oct 21, 2026 @ 18:46:03 UTC
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.

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.