Weather forecast for tomorrowCastlewood, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphE 83°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:49 am CDT
- Sunset: 6:36 pm CDT
- details ▼
Tomorrow, in Castlewood, uninterrupted sunshine is also anticipated.
Temperature span will be from a high of a comfortable 64.4°F to a low of a cold 41°F.
A forecast high of 64.4°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:49 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 48min.
Temperature span will be from a high of a comfortable 64.4°F to a low of a cold 41°F.
A forecast high of 64.4°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:49 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 48min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 2%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNE 38°
- Humidity: 67%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNE 37°
- Humidity: 69%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphNE 43°
- Humidity: 70%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:36°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphNE 49°
- Humidity: 74%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:49 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphNE 54°
- Humidity: 77%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphENE 72°
- Humidity: 65%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 81°
- Humidity: 51%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 93°
- Humidity: 44%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphESE 108°
- Humidity: 43%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphE 97°
- Humidity: 50%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:36 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphE 98°
- Humidity: 63%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphESE 112°
- Humidity: 73%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of bright and cloudy weather is forecasted.
The temperature will vary between a minimum of 41°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 71.6°F than with October's 54.3°F. The night temperature will be resembling the standard October low of 39°F.
The temperature will vary between a minimum of 41°F and a maximum of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 71.6°F than with October's 54.3°F. The night temperature will be resembling the standard October low of 39°F.
Updated: Oct 18, 2026 @ 17:08:52 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
On Monday, expect consistent sunshine and open skies.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.
The maximum temperature will be notably higher than the average highest temperature of 54.3°F in October. The lowest temperature will be in line with the average low of 39°F.
The maximum temperature will be notably higher than the average highest temperature of 54.3°F in October. The lowest temperature will be in line with the average low of 39°F.
On Monday, in Castlewood, sunrise will be at 7:49 am and sunset at 6:36 pm (CDT).
In Castlewood, the length of the day tomorrow will be 10h and 48min.
