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, in Westport, sunshine and minimal clouds are also in the outlook.
Daytime will experience a high of a comfortable 66.2°F, significantly differing from the expected night low of an icy 39.2°F.
The expected high of 66.2°F appears seasonally off, better matching September's typical values.
Sunrise will be at 7:56 am and sunset at 6:41 pm; tomorrow's daylight will last for 10h and 46min.
Daytime will experience a high of a comfortable 66.2°F, significantly differing from the expected night low of an icy 39.2°F.
The expected high of 66.2°F appears seasonally off, better matching September's typical values.
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 36°C.
Coldest hour: 6 am 36°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 16°
- Humidity: 61%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:36°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNNE 17°
- Humidity: 72%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:32°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNNE 26°
- Humidity: 78%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:30°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNNE 32°
- Humidity: 82%
- 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 41°
- 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 71°
- Humidity: 43%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphE 87°
- Humidity: 35%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 95°
- Humidity: 32%
- 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: 10mphE 92°
- Humidity: 38%
- Pressure: 30.18"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: 7mphE 89°
- Humidity: 56%
- 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: 7mphESE 105°
- Humidity: 69%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily mostly clear and occasionally cloud-filled weather is anticipated.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more close to September's average maximum of 74.3°F than October's usual of 56.3°F. The temperature low is forecasted to be alike with the usual October value of 40.1°F.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The highest temperature is more close to September's average maximum of 74.3°F than October's usual of 56.3°F. The temperature low is forecasted to be alike with the usual October value of 40.1°F.
Updated: Oct 18, 2026 @ 14:04:53 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 sunny weather with a crisp, clear sky.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 40.1°F.
The maximum temperature will be uncommonly higher than the average highest temperature 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).
Tomorrow, the daylight will last for 10h and 46min.
