Live Weather & Forecast
Weather in Clear Lake
South Dakota, United States · Real-time conditions & 3-day outlook
9°C
Feels like 7°C
48°F / Feels 45°F
Fog
Clear Lake, South Dakota
🌙 Nighttime
Updated: 2026-04-13 04:45
Humidity
100%
Wind
12.2 km/h NE
Wind Gust
25.7 km/h
Pressure
1007 mb
Visibility
0.4 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
60%
Dew Point
9.7°C
Wind Degree
34°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
186.9 μg/m³
NO₂
3.4 μg/m³
O₃
44 μg/m³
SO₂
0.9 μg/m³
PM 2.5
8.6 μg/m³
PM 10
9.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Clear Lake, South Dakota
12 AM
15°
Clear
1 AM
13°
Clear
2 AM
12°
Clear
3 AM
11°
Overcast
4 AM
9°
Fog
5 AM
9°
Overcast
6 AM
9°
Overcast
7 AM
8°
Overcast
8 AM
8°
Patchy rain nearby
9 AM
8°
Overcast
10 AM
8°
Overcast
11 AM
9°
Overcast
12 PM
9°
Overcast
1 PM
10°
Overcast
2 PM
11°
Patchy rain nearby
3 PM
12°
Overcast
4 PM
12°
Overcast
5 PM
15°
Overcast
6 PM
16°
Thundery outbreaks in nearby
7 PM
15°
Cloudy
8 PM
14°
Cloudy
9 PM
14°
Partly Cloudy
10 PM
13°
Clear
11 PM
12°
Cloudy
3-Day Forecast
Daily overview for Clear Lake, South Dakota
Today
Overcast
17°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:46 AM
🌇 Sunset: 08:09 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
16°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:44 AM
🌇 Sunset: 08:11 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Partly Cloudy
22°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:42 AM
🌇 Sunset: 08:12 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Clear Lake
Plan your trip to Clear Lake, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Clear Lake?
Current conditions in Clear Lake: Fog, temperature 9°C, humidity 100%.
What is the best time to visit Clear Lake?
The best time to visit Clear Lake is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Clear Lake?
Clear Lake is located at approximately 44.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Clear Lake?
The wettest period in Clear Lake is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Clear Lake?
For visits to Clear Lake during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Clear Lake in?
Clear Lake is located in United States, in the state of South Dakota.
What are the public holidays in Clear Lake in 2026?
View the 2026 public holidays for Clear Lake on our Holidays page.
What are the GPS coordinates used for the weather forecast in Clear Lake?
The weather forecast for Clear Lake uses coordinates 44.7564, -96.6848.