Weather forecast for tomorrowCastlewood, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphE 84°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:49 am CDT
- Sunset: 6:36 pm CDT
- details ▼
Tomorrow, on Monday, sunshine is also expected with little to no cloud cover.
Temperatures are anticipated to range from a maximum of an enjoyable 64.4°F to a minimum of a cold 41°F.
With a forecast of 64.4°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:49 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 48min.
Temperatures are anticipated to range from a maximum of an enjoyable 64.4°F to a minimum of a cold 41°F.
With a forecast of 64.4°F, conditions deviate from October's average and instead resemble September's climate trend.
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 42°
- Humidity: 66%
- 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 38°
- Humidity: 68%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphNE 43°
- Humidity: 70%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:36°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphNE 47°
- 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: 2%
- Precipitation: 0"
- Wind: 9mphNE 53°
- Humidity: 78%
- 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: 64%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 83°
- Humidity: 50%
- 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 94°
- 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: 11mphESE 110°
- Humidity: 42%
- 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: 49%
- 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 100°
- Humidity: 62%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphESE 118°
- Humidity: 73%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily dry and sunny and occasionally cloudy weather is predicted.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature is more close to September's average maximum of 71.6°F than October's usual of 54.3°F. The lowest temperature is in line with October's typical minimum of 39°F.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature is more close to September's average maximum of 71.6°F than October's usual of 54.3°F. The lowest temperature is in line with October's typical minimum of 39°F.
Updated: Oct 18, 2026 @ 15:18:00 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, the forecast calls for abundant sunshine.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 41°F.
The highest temperature will be notably higher than the average maximum of 54.3°F in October. The lowest temperature will be in line with the average low of 39°F.
The highest temperature will be notably higher than the average maximum 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).
Tomorrow, the daylight will last for 10h and 48min.
