Weather forecast for tomorrowRalph, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 19mphSE 136°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:14 am MDT
- Sunset: 5:59 pm MDT
- details ▼
Tomorrow, conditions will remain bright with clear skies.
Temperatures will oscillate between a comfortable 64.4°F at their highest and an icy 39.2°F at their lowest.
The expected high of 64.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:14 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 45min.
Temperatures will oscillate between a comfortable 64.4°F at their highest and an icy 39.2°F at their lowest.
The expected high of 64.4°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:14 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 45min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 6 am 2%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 94°
- Humidity: 57%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphESE 103°
- Humidity: 65%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:30°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphESE 108°
- Humidity: 70%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:30°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphESE 117°
- Humidity: 73%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 37°F
- Feels like:32°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSE 126°
- Humidity: 73%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSE 140°
- Humidity: 50%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSE 141°
- Humidity: 34%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 19mphSE 142°
- Humidity: 30%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 19mphSE 137°
- Humidity: 32%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:59 pm
- 6 pm
- 57°F
- Feels like:54°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 15mphSE 131°
- Humidity: 43%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSE 133°
- Humidity: 58%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphSE 140°
- Humidity: 68%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of dry and sunny and cloud-filled weather is predicted.
The temperature will vary between a minimum of 35.6°F and a maximum of 62.6°F. The feels-like temperature will vary between the lowest temperature of 28.4°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more consistent with September's typical high of 73°F than the average for October. The night temperature will be resembling the standard October low of 38.8°F.
The temperature will vary between a minimum of 35.6°F and a maximum of 62.6°F. The feels-like temperature will vary between the lowest temperature of 28.4°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more consistent with September's typical high of 73°F than the average for October. The night temperature will be resembling the standard October low of 38.8°F.
Updated: Oct 18, 2026 @ 06:37:16 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
Tomorrow, in Ralph, sunshine and minimal clouds are in the outlook.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be noticeably higher than the average highest temperature of 54.5°F in October. The lowest temperature will be in line with the average low of 38.8°F.
The maximum temperature will be noticeably higher than the average highest temperature of 54.5°F in October. The lowest temperature will be in line with the average low of 38.8°F.
On Monday, in Ralph, sunrise will be at 7:14 am and sunset at 5:59 pm (MDT).
In Ralph, tomorrow, there will be 10h and 45min of daylight.





