Weather forecast for tomorrowOpal, SD
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphNNE 16°
- Humidity: 35%
- UV index: 3
- Sunrise: 7:09 am MDT
- Sunset: 6:00 pm MDT
- details ▼
Tomorrow, on Sunday, the weather remains calm, bright, and sunny.
Considerable temperature fluctuations from a high of an agreeable 68°F to a low of an icy 35.6°F are anticipated.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 75.4°F.
Sunrise will be at 7:09 am and sunset at 6:00 pm; tomorrow's daylight will last for 10h and 50min.
Considerable temperature fluctuations from a high of an agreeable 68°F to a low of an icy 35.6°F are anticipated.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 75.4°F.
Sunrise will be at 7:09 am and sunset at 6:00 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 3 am 46°C.
Coldest hour: 3 am 46°C.
Chance of precipitation
Highest chance: 12 am 1%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:46°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWNW 297°
- Humidity: 55%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNW 306°
- Humidity: 57%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphNNW 328°
- Humidity: 54%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 48°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNNW 339°
- Humidity: 53%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:09 am
- 8 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNNW 348°
- Humidity: 52%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphN 3°
- Humidity: 40%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphNNE 16°
- Humidity: 31%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 27°
- Humidity: 26%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphNE 36°
- Humidity: 24%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphNE 46°
- Humidity: 31%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:00 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphNE 52°
- Humidity: 42%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:43°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphENE 60°
- Humidity: 48%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily mostly clear and occasionally overcast weather is forecasted.
The temperature will vary between a minimum of 44.6°F and a maximum of 66.2°F. The warmest part of the day will be from 1 pm to 4 pm.
Tomorrow, the forecasted maximum will be more comparable to September's average high of 75.4°F than October's 56.7°F. Tomorrow, the nighttime low will be a few degrees lower than October's typical minimum of 41.2°F.
The temperature will vary between a minimum of 44.6°F and a maximum of 66.2°F. The warmest part of the day will be from 1 pm to 4 pm.
Tomorrow, the forecasted maximum will be more comparable to September's average high of 75.4°F than October's 56.7°F. Tomorrow, the nighttime low will be a few degrees lower than October's typical minimum of 41.2°F.
Updated: Oct 18, 2026 @ 03:01:28 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 Sunday, sunny conditions are expected to continue.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 35.6°F.
The highest temperature will be noticeably higher than the average maximum of 56.7°F in October. The lowest temperature will be slightly cooler than the average low of 41.2°F.
The highest temperature will be noticeably higher than the average maximum of 56.7°F in October. The lowest temperature will be slightly cooler than the average low of 41.2°F.
On Sunday, in Opal, sunrise will be at 7:09 am and sunset at 6:00 pm (MDT).
Tomorrow, the daylight will last for 10h and 50min.
