Weather forecast for tomorrowWestport, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphENE 70°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:56 am CDT
- Sunset: 6:41 pm CDT
- details ▼
Tomorrow, on Monday, October 19, the weather remains calm, bright, and sunny.
Temperature measurements will peak at a comfortable 66.2°F, with a considerable drop to a low of a wintry 39.2°F.
With a forecast of 66.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:56 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 46min.
Temperature measurements will peak at a comfortable 66.2°F, with a considerable drop to a low of a wintry 39.2°F.
With a forecast of 66.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:56 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 46min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 17°
- Humidity: 60%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNNE 18°
- Humidity: 71%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:32°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNNE 28°
- Humidity: 78%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:30°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNNE 33°
- Humidity: 83%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:56 am
- 8 am
- 37°F
- Feels like:32°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNE 43°
- Humidity: 82%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphNE 52°
- Humidity: 65%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphENE 72°
- Humidity: 42%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphE 86°
- Humidity: 34%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 94°
- Humidity: 32%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphE 91°
- Humidity: 39%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:41 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphE 90°
- Humidity: 57%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphESE 107°
- Humidity: 70%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily dry and sunny and occasionally dull weather is predicted.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 66.2°F. The feels-like temperature variation throughout the day will be substantial, as the lowest temperature will be 30.2°F while the highest temperature will be 66.2°F. The warmest part of the day is anticipated around 4 pm.
The highest temperature is more alike with September's average maximum of 74.3°F than October's usual of 56.3°F. The expected low will be resembling the average minimum in October, which is 40.1°F.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 66.2°F. The feels-like temperature variation throughout the day will be substantial, as the lowest temperature will be 30.2°F while the highest temperature will be 66.2°F. The warmest part of the day is anticipated around 4 pm.
The highest temperature is more alike with September's average maximum of 74.3°F than October's usual of 56.3°F. The expected low will be resembling the average minimum in October, which is 40.1°F.
Updated: Oct 18, 2026 @ 13:01:04 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, the outlook remains bright and sunny.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The highest temperature will be notably higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 40.1°F.
The highest temperature will be notably higher than the average maximum of 56.3°F in October. The lowest temperature will be in line with the average low of 40.1°F.
On Monday, in Westport, sunrise will be at 7:56 am and sunset at 6:41 pm (CDT).
In Westport, the length of the day tomorrow will be 10h and 46min.





