Weather forecast for tomorrowHarrisburg, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 43°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 10mphESE 119°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:46 am CDT
- Sunset: 6:37 pm CDT
- details ▼
Tomorrow, sunshine will dominate, with only occasional cloud cover.
The temperature will fluctuate from a high of a comfortable 66.2°F to a low of a chilly 42.8°F.
Expected temperatures are trending slightly warmer than October's climate norm of 58.1°F.
Sunrise will be at 7:46 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 52min.
The temperature will fluctuate from a high of a comfortable 66.2°F to a low of a chilly 42.8°F.
Expected temperatures are trending slightly warmer than October's climate norm of 58.1°F.
Sunrise will be at 7:46 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 52min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSE 158°
- Humidity: 72%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 150°
- Humidity: 80%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSE 126°
- Humidity: 87%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphESE 102°
- Humidity: 93%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:46 am
- 8 am
- 41°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 4mphE 81°
- Humidity: 93%
- Pressure: 30.24"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphESE 117°
- Humidity: 76%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSE 126°
- Humidity: 55%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSE 135°
- Humidity: 45%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSE 143°
- Humidity: 43%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSE 130°
- Humidity: 48%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:37 pm
- 8 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSE 125°
- Humidity: 62%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSE 135°
- Humidity: 72%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of dry and sunny and cloudy weather is forecasted.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be moderately higher than October's average high of 58.1°F. The night temperature will be also similar to the standard October low of 41.9°F.
The temperature will be between a minimum of 39.2°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be moderately higher than October's average high of 58.1°F. The night temperature will be also similar to the standard October low of 41.9°F.
Updated: Oct 18, 2026 @ 14:23:05 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, mostly sunny skies are expected.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be slightly warmer than the average highest temperature of 58.1°F in October. The lowest temperature will be in line with the average low of 41.9°F.
The maximum temperature will be slightly warmer than the average highest temperature of 58.1°F in October. The lowest temperature will be in line with the average low of 41.9°F.
On Monday, in Harrisburg, sunrise will be at 7:46 am and sunset at 6:37 pm (CDT).
In Harrisburg, tomorrow, there will be 10h and 52min of daylight.
