Weather forecast for tomorrowErwin, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphE 96°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:38 pm CDT
- details ▼
On Monday, October 19, sunshine is also expected with little to no cloud cover.
The temperature will fluctuate from a high of an enjoyable 66.2°F to a low of a chilly 42.8°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:50 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 49min.
The temperature will fluctuate from a high of an enjoyable 66.2°F to a low of a chilly 42.8°F.
Temperatures are trending warmer, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise will be at 7:50 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 49min.
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: 3 am - 6 am 5%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphNE 51°
- Humidity: 76%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphNE 49°
- Humidity: 81%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:37°F
Mostly Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphNE 53°
- Humidity: 82%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphNE 54°
- Humidity: 84%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:50 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphENE 61°
- Humidity: 86%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:45°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphE 82°
- Humidity: 69%
- 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: 10mphE 97°
- Humidity: 52%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 109°
- Humidity: 44%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 121°
- Humidity: 43%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphESE 116°
- Humidity: 50%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:38 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphESE 115°
- Humidity: 66%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphESE 124°
- Humidity: 77%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily mostly clear and occasionally dull weather is forecasted.
The temperature will be 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 temperature will feel more consistent with September's average high than the expected maximum for October. The nighttime low will be a couple of degrees higher than the typical October minimum temperature of 39°F.
The temperature will be 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 temperature will feel more consistent with September's average high than the expected maximum for October. The nighttime low will be a couple of degrees higher than the typical October minimum temperature of 39°F.
Updated: Oct 18, 2026 @ 06:08:36 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, in Erwin, a sun-drenched sky is anticipated.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 42.8°F.
The highest temperature will be notably higher than the average maximum of 54.3°F in October. The lowest temperature will be relatively higher than 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 relatively higher than the average low of 39°F.
On Monday, in Erwin, sunrise will be at 7:50 am and sunset at 6:38 pm (CDT).
In Erwin, tomorrow, there will be 10h and 49min of daylight.
