What is the weather in Clear Lake right now?

Current weather in Clear Lake is overcast clouds.

Where can I find the hourly weather forecast for Clear Lake?

This page shows hourly weather forecast for Clear Lake, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Clear Lake updated regularly?

Weather data for Clear Lake is updated regularly with the latest available observations and forecasts.

Now · 3:11 AM

Clear Lake Weather & Hourly Forecast

United States · South Dakota · 57247

64°F

Overcast night

Feels like: 64°F

💧 Humidity 89% 🌡 Pressure 29.77 inHg 💨 Wind 12 mph 👁 Visibility 6.2 mi ☁ Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:53 AM 🌇 Sunset 8:04 PM

Hourly Forecast for Clear Lake

Today

4:00 AM

Overcast night

64° 💧 None 💨 12 mph H 89%29.77 inHg

7:00 AM

Overcast

63° 💧 None 💨 12 mph H 93%29.74 inHg

10:00 AM

Mostly sunny

74° 💧 None 💨 14 mph H 66%29.74 inHg

1:00 PM

Partly cloudy

88° 💧 None 💨 14 mph H 27%29.65 inHg

4:00 PM

Mostly cloudy

94° 💧 None 💨 15 mph H 15%29.56 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 14 mph H 19%29.56 inHg

10:00 PM

Partly cloudy night

74° 💧 None 💨 6 mph H 31%29.65 inHg

Tomorrow

1:00 AM

Mostly clear night

64° 💧 None 💨 9 mph H 42%29.71 inHg

4:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 66%29.74 inHg

7:00 AM

Sunny

62° 💧 None 💨 4 mph H 90%29.80 inHg

10:00 AM

Sunny

74° 💧 None 💨 8 mph H 58%29.83 inHg

1:00 PM

Sunny

86° 💧 None 💨 8 mph H 28%29.83 inHg

4:00 PM

Sunny

92° 💧 None 💨 9 mph H 17%29.80 inHg

7:00 PM

Sunny

86° 💧 None 💨 12 mph H 19%29.77 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 9 mph H 37%29.85 inHg

Saturday

1:00 AM

Clear night

72° 💧 None 💨 12 mph H 61%29.88 inHg

Today

4:00 AM

Overcast night

64° 💧 None 💨 12 mph H 89%29.77 inHg

5:00 AM

Overcast night

64° 💧 None 💨 10 mph H 90%29.77 inHg

6:00 AM

Overcast night

64° 💧 None 💨 11 mph H 91%29.74 inHg

7:00 AM

Overcast

63° 💧 None 💨 12 mph H 93%29.74 inHg

8:00 AM

Mostly sunny

65° 💧 None 💨 12 mph H 90%29.74 inHg

9:00 AM

Mostly sunny

68° 💧 None 💨 14 mph H 80%29.74 inHg

10:00 AM

Mostly sunny

74° 💧 None 💨 14 mph H 66%29.74 inHg

11:00 AM

Mostly sunny

79° 💧 None 💨 13 mph H 46%29.71 inHg

12:00 PM

Partly cloudy

85° 💧 None 💨 11 mph H 33%29.68 inHg

1:00 PM

Partly cloudy

88° 💧 None 💨 14 mph H 27%29.65 inHg

2:00 PM

Overcast

91° 💧 None 💨 12 mph H 24%29.62 inHg

3:00 PM

Overcast

92° 💧 None 💨 11 mph H 17%29.59 inHg

4:00 PM

Mostly cloudy

94° 💧 None 💨 15 mph H 15%29.56 inHg

5:00 PM

Mostly cloudy

93° 💧 None 💨 21 mph H 16%29.56 inHg

6:00 PM

Partly cloudy

90° 💧 None 💨 20 mph H 18%29.56 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 14 mph H 19%29.56 inHg

8:00 PM

Mostly cloudy

80° 💧 None 💨 8 mph H 26%29.59 inHg

9:00 PM

Partly cloudy night

75° 💧 None 💨 7 mph H 29%29.62 inHg

10:00 PM

Partly cloudy night

74° 💧 None 💨 6 mph H 31%29.65 inHg

11:00 PM

Partly cloudy night

71° 💧 None 💨 8 mph H 29%29.68 inHg

Tomorrow

12:00 AM

Partly cloudy night

67° 💧 None 💨 7 mph H 33%29.68 inHg

1:00 AM

Mostly clear night

64° 💧 None 💨 9 mph H 42%29.71 inHg

2:00 AM

Clear night

62° 💧 None 💨 6 mph H 56%29.74 inHg

3:00 AM

Clear night

62° 💧 None 💨 4 mph H 62%29.74 inHg

4:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 66%29.74 inHg

5:00 AM

Clear night

61° 💧 None 💨 7 mph H 84%29.77 inHg

6:00 AM

Clear night

61° 💧 None 💨 3 mph H 91%29.77 inHg

7:00 AM

Sunny

62° 💧 None 💨 4 mph H 90%29.80 inHg

8:00 AM

Sunny

63° 💧 None 💨 6 mph H 86%29.83 inHg

9:00 AM

Sunny

68° 💧 None 💨 7 mph H 73%29.83 inHg

10:00 AM

Sunny

74° 💧 None 💨 8 mph H 58%29.83 inHg

11:00 AM

Sunny

79° 💧 None 💨 9 mph H 45%29.83 inHg

12:00 PM

Sunny

82° 💧 None 💨 9 mph H 35%29.83 inHg

1:00 PM

Sunny

86° 💧 None 💨 8 mph H 28%29.83 inHg

2:00 PM

Sunny

89° 💧 None 💨 9 mph H 22%29.80 inHg

3:00 PM

Sunny

91° 💧 None 💨 9 mph H 19%29.80 inHg

4:00 PM

Sunny

92° 💧 None 💨 9 mph H 17%29.80 inHg

5:00 PM

Sunny

91° 💧 None 💨 10 mph H 16%29.77 inHg

6:00 PM

Sunny

90° 💧 None 💨 11 mph H 17%29.77 inHg

7:00 PM

Sunny

86° 💧 None 💨 12 mph H 19%29.77 inHg

8:00 PM

Partly cloudy

85° 💧 None 💨 11 mph H 26%29.80 inHg

9:00 PM

Mostly clear night

79° 💧 None 💨 9 mph H 32%29.83 inHg

10:00 PM

Mostly clear night

76° 💧 None 💨 9 mph H 37%29.85 inHg

11:00 PM

Mostly clear night

74° 💧 None 💨 10 mph H 46%29.85 inHg

Saturday

12:00 AM

Clear night

74° 💧 None 💨 12 mph H 55%29.88 inHg

1:00 AM

Clear night

72° 💧 None 💨 12 mph H 61%29.88 inHg

2:00 AM

Clear night

70° 💧 None 💨 12 mph H 70%29.88 inHg

3:00 AM

Clear night

70° 💧 None 💨 13 mph H 76%29.88 inHg

4:00 AM

Clear night

69° 💧 None 💨 14 mph H 81%29.91 inHg

5:00 AM

Clear night

68° 💧 None 💨 12 mph H 84%29.88 inHg

6:00 AM

Clear night

68° 💧 None 💨 12 mph H 88%29.88 inHg

7:00 AM

Mostly sunny

69° 💧 None 💨 11 mph H 84%29.88 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 13 mph H 82%29.88 inHg

9:00 AM

Partly cloudy

77° 💧 None 💨 16 mph H 66%29.88 inHg

10:00 AM

Mostly sunny

82° 💧 None 💨 17 mph H 53%29.88 inHg

11:00 AM

Mostly sunny

87° 💧 None 💨 16 mph H 43%29.85 inHg

12:00 PM

Mostly sunny

92° 💧 None 💨 18 mph H 35%29.85 inHg

1:00 PM

Sunny

96° 💧 None 💨 17 mph H 29%29.85 inHg

2:00 PM

Sunny

99° 💧 None 💨 15 mph H 25%29.83 inHg

3:00 PM

Sunny

100° 💧 None 💨 17 mph H 24%29.83 inHg

4:00 PM

Partly cloudy

96° 💧 None 💨 17 mph H 27%29.83 inHg

5:00 PM

Mostly cloudy

89° 💧 None 💨 18 mph H 41%29.83 inHg

6:00 PM

Mostly cloudy

90° 💧 None 💨 14 mph H 38%29.83 inHg

7:00 PM

Light rain

89° 💧 0.00 in 💨 16 mph H 39%29.83 inHg

8:00 PM

Overcast

80° 💧 None 💨 17 mph H 57%29.85 inHg

9:00 PM

Overcast night

77° 💧 None 💨 15 mph H 61%29.85 inHg

10:00 PM

Overcast night

78° 💧 None 💨 15 mph H 60%29.85 inHg

11:00 PM

Light rain

73° 💧 0.03 in 💨 18 mph H 73%29.91 inHg

Sunday

12:00 AM

Overcast night

71° 💧 None 💨 13 mph H 76%29.91 inHg

1:00 AM

Light rain

70° 💧 0.03 in 💨 8 mph H 83%29.91 inHg

2:00 AM

Moderate rain

70° 💧 0.05 in 💨 10 mph H 83%29.91 inHg

3:00 AM

Moderate rain

70° 💧 0.07 in 💨 10 mph H 85%29.94 inHg

4:00 AM

Light rain

70° 💧 0.01 in 💨 12 mph H 82%29.91 inHg

5:00 AM

Light rain

69° 💧 0.02 in 💨 17 mph H 85%29.91 inHg

6:00 AM

Light rain

71° 💧 0.00 in 💨 19 mph H 78%29.88 inHg

7:00 AM

Light rain

70° 💧 0.01 in 💨 14 mph H 83%29.91 inHg

8:00 AM

Overcast

71° 💧 None 💨 13 mph H 84%29.91 inHg

9:00 AM

Overcast

72° 💧 None 💨 21 mph H 79%29.91 inHg

10:00 AM

Overcast

72° 💧 None 💨 19 mph H 73%29.91 inHg

11:00 AM

Overcast

75° 💧 None 💨 18 mph H 67%29.91 inHg

12:00 PM

Overcast

74° 💧 None 💨 16 mph H 75%29.94 inHg

1:00 PM

Light rain

73° 💧 0.04 in 💨 14 mph H 85%29.94 inHg

2:00 PM

Light rain

72° 💧 0.01 in 💨 15 mph H 90%29.94 inHg

3:00 PM

Light rain

71° 💧 0.00 in 💨 17 mph H 90%29.94 inHg

4:00 PM

Light rain

75° 💧 0.02 in 💨 20 mph H 78%29.91 inHg

5:00 PM

Moderate rain

73° 💧 0.08 in 💨 19 mph H 86%29.91 inHg

6:00 PM

Moderate rain

71° 💧 0.09 in 💨 20 mph H 93%29.91 inHg

7:00 PM

Moderate rain

68° 💧 0.08 in 💨 21 mph H 97%29.91 inHg

8:00 PM

Light rain

68° 💧 0.02 in 💨 21 mph H 95%29.88 inHg

9:00 PM

Light rain

68° 💧 0.01 in 💨 19 mph H 96%29.91 inHg

10:00 PM

Mostly cloudy night

67° 💧 None 💨 21 mph H 95%29.91 inHg

11:00 PM

Mostly cloudy night

66° 💧 None 💨 20 mph H 95%29.91 inHg

Monday

12:00 AM

Mostly cloudy night

65° 💧 None 💨 19 mph H 96%29.88 inHg

1:00 AM

Mostly cloudy night

65° 💧 None 💨 19 mph H 97%29.91 inHg

2:00 AM

Light rain

65° 💧 0.01 in 💨 15 mph H 98%29.88 inHg

3:00 AM

Light rain

66° 💧 0.03 in 💨 13 mph H 97%29.88 inHg

In Clear Lake and, more broadly, across the state of South Dakota: Clear skies will persist through the evening, with temperatures remaining mild to warm, ranging from 82 to 84 degrees Fahrenheit. Winds will be light, coming from the northeast at around 7 mph, with occasional gusts reaching up to 11 mph. No rain is expected during this time, so conditions will remain dry and calm. It should be a pleasant evening with comfortable conditions, perfect for outdoor activities. Temperatures will gradually stay steady or slightly decrease later tonight, maintaining the mild feel. Overall, expect a quiet and clear evening with gentle breezes and warm temperatures.

15-Day Weather Outlook for Clear Lake

TomorrowTomorrow

Sunny 92°/61° 💧 None 💨 12 mph

Saturday, Sep 5Sat Sep 5

Light rain 100°/68° 💧 0.03 in 💨 18 mph

Sunday, Sep 6Sun Sep 6

Moderate rain 75°/67° 💧 0.55 in 💨 21 mph

Monday, Sep 7Mon Sep 7

Light rain 88°/65° 💧 0.13 in 💨 22 mph

Tuesday, Sep 8Tue Sep 8

Light rain 86°/70° 💧 0.05 in 💨 18 mph

Wednesday, Sep 9Wed Sep 9

Light rain 90°/64° 💧 0.02 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Light rain 74°/56° 💧 0.13 in 💨 21 mph

Friday, Sep 11Fri Sep 11

Light rain 92°/65° 💧 0.04 in 💨 23 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 86°/59° 💧 None 💨 21 mph

Sunday, Sep 13Sun Sep 13

Light rain 70°/55° 💧 0.03 in 💨 21 mph

Monday, Sep 14Mon Sep 14

Sunny 82°/52° 💧 None 💨 24 mph

Tuesday, Sep 15Tue Sep 15

Overcast 78°/59° 💧 None 💨 30 mph

Wednesday, Sep 16Wed Sep 16

Light rain 58°/45° 💧 0.01 in 💨 20 mph

Thursday, Sep 17Thu Sep 17

Overcast 60°/44° 💧 None 💨 11 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 67°/42° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Clear Lake

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Clear Lake

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 4:00 AM

PM2.5 Fine particles Good 6,4µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 48,9µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Clear Lake

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,4High 😊Good

Tomorrow UV 6,6High 🙂Fair

Saturday UV 5,2Moderate 🙂Fair

Sunday UV 6,8High 🙂Fair

Monday UV 6,0High 😊Good

Tuesday UV 7,0High —Unavailable

Wednesday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 0,9 10:00 AMUV 2,2 11:00 AMUV 3,5 12:00 PMUV 4,9 1:00 PMUV 6,1 2:00 PMUV 6,4 3:00 PMUV 5,4 4:00 PMUV 3,6 5:00 PMUV 2,3 6:00 PMUV 1,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Clear Lake

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.43 Population: 41

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Forecast data for Clear Lake were last refreshed today at 3:11 AM. The current forecast period extends through 05/09/2026 at 1:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.