Weather forecast for tomorrowLetcher, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphE 98°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:52 am CDT
- Sunset: 6:42 pm CDT
- details ▼
On Monday, October 19, occasional cloudiness will be present, but there will still be plenty of sun.
Temperature is predicted to swing from a high of an agreeable 68°F to a low of a brisk 42.8°F.
With a forecast of 68°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:52 am and sunset at 6:42 pm; tomorrow's daylight will last for 10h and 50min.
Temperature is predicted to swing from a high of an agreeable 68°F to a low of a brisk 42.8°F.
With a forecast of 68°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:52 am and sunset at 6:42 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 7%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphNE 52°
- Humidity: 75%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 51°
- Humidity: 85%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphNE 45°
- Humidity: 90%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphNE 47°
- Humidity: 92%
- Pressure: 30.21"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunrise: 7:52 am
- 8 am
- 41°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphNE 54°
- Humidity: 93%
- Pressure: 30.24"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphE 82°
- Humidity: 72%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 100°
- Humidity: 52%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphESE 109°
- Humidity: 41%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSE 127°
- Humidity: 38%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSE 127°
- Humidity: 46%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:42 pm
- 8 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSE 125°
- Humidity: 60%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSE 133°
- Humidity: 73%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of mostly clear and overcast weather is anticipated.
The temperature will be between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The day’s peak temperature will reflect September's norm of 76.1°F more than October's 58.5°F. The minimum temperature will be similar to October's average low of 42.1°F.
The temperature will be between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The day’s peak temperature will reflect September's norm of 76.1°F more than October's 58.5°F. The minimum temperature will be similar to October's average low of 42.1°F.
Updated: Oct 18, 2026 @ 13:23:15 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, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 42.8°F.
The highest temperature will be noticeably higher than the average maximum of 58.5°F in October. The lowest temperature will be in line with the average low of 42.1°F.
The highest temperature will be noticeably higher than the average maximum of 58.5°F in October. The lowest temperature will be in line with the average low of 42.1°F.
On Monday, in Letcher, sunrise will be at 7:52 am and sunset at 6:42 pm (CDT).
Tomorrow, the daylight will last for 10h and 50min.





