Weather forecast for tomorrowWatertown, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 43°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphE 83°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:49 am CDT
- Sunset: 6:37 pm CDT
- details ▼
Tomorrow, on Monday, October 19, sunny skies and pleasant visibility are also expected.
The forecasted temperature range extends from a high of an enjoyable 66.2°F to a low of a brisk 42.8°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 71.6°F, not October's.
Sunrise will be at 7:49 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 47min.
The forecasted temperature range extends from a high of an enjoyable 66.2°F to a low of a brisk 42.8°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 71.6°F, not October's.
Sunrise will be at 7:49 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 47min.
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: 2%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNE 40°
- Humidity: 63%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNE 38°
- Humidity: 67%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphNE 46°
- Humidity: 68%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphNE 48°
- Humidity: 74%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:49 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphNE 56°
- Humidity: 78%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphENE 74°
- Humidity: 62%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 84°
- Humidity: 49%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphE 93°
- Humidity: 42%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 106°
- Humidity: 42%
- 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: 8mphE 95°
- Humidity: 48%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:37 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphE 101°
- Humidity: 60%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphESE 117°
- Humidity: 70%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily sunny 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 maximum temperature will align more closely with September's average high of 71.6°F than with October's 54.3°F. The lowest temperature is expected to be a couple of degrees higher than the average minimum in October, typically 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 maximum temperature will align more closely with September's average high of 71.6°F than with October's 54.3°F. The lowest temperature is expected to be a couple of degrees higher than the average minimum in October, typically 39°F.
Updated: Oct 18, 2026 @ 13:06:59 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 weather remains calm, bright, and sunny.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 42.8°F.
The highest temperature will be significantly 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 significantly 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 Watertown, sunrise will be at 7:49 am and sunset at 6:37 pm (CDT).
Tomorrow, the daylight will last for 10h and 47min.





