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Current weather in St. Clair is overcast clouds.

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Now · 12:38 PM

St. Clair Weather & Hourly Forecast

United States · Minnesota · 56080

79°F

Overcast

Feels like: 84°F

💧 Humidity 79% 🌡 Pressure 30.00 inHg 💨 Wind 7 mph 👁 Visibility 11.1 mi ☁ Clouds 100% ☀️ UV index 6.3 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. Clair

Today

1:00 PM

Overcast

79° 💧 0.001 in 💨 7 mph H 79%30.00 inHg

4:00 PM

Sunny

84° 💧 None 💨 8 mph H 70%29.94 inHg

7:00 PM

Sunny

81° 💧 None 💨 6 mph H 79%29.94 inHg

10:00 PM

Partly cloudy night

76° 💧 0.000 in 💨 8 mph H 85%29.97 inHg

Tomorrow

1:00 AM

Strong thunderstorm

75° 💧 0.018 in 💨 7 mph H 88%29.97 inHg

4:00 AM

Light rain

72° 💧 0.064 in 💨 12 mph H 96%29.97 inHg

7:00 AM

Overcast

71° 💧 None 💨 7 mph H 97%30.00 inHg

10:00 AM

Overcast

76° 💧 0.003 in 💨 7 mph H 86%30.06 inHg

1:00 PM

Light rain

78° 💧 0.009 in 💨 11 mph H 80%30.03 inHg

4:00 PM

Overcast

81° 💧 0.000 in 💨 10 mph H 73%29.97 inHg

7:00 PM

Overcast

79° 💧 None 💨 8 mph H 77%29.97 inHg

10:00 PM

Mostly clear night

75° 💧 None 💨 10 mph H 81%30.03 inHg

Monday

1:00 AM

Mostly cloudy night

72° 💧 None 💨 8 mph H 84%30.00 inHg

4:00 AM

Partly cloudy night

71° 💧 0.001 in 💨 10 mph H 84%30.00 inHg

7:00 AM

Mostly cloudy

70° 💧 0.014 in 💨 10 mph H 86%30.03 inHg

10:00 AM

Mostly cloudy

74° 💧 0.002 in 💨 13 mph H 77%30.03 inHg

Today

1:00 PM

Overcast

79° 💧 0.001 in 💨 7 mph H 79%30.00 inHg

2:00 PM

Mostly cloudy

81° 💧 0.000 in 💨 7 mph H 73%29.97 inHg

3:00 PM

Sunny

83° 💧 None 💨 8 mph H 70%29.94 inHg

4:00 PM

Sunny

84° 💧 None 💨 8 mph H 70%29.94 inHg

5:00 PM

Sunny

84° 💧 None 💨 8 mph H 71%29.91 inHg

6:00 PM

Sunny

83° 💧 None 💨 8 mph H 73%29.91 inHg

7:00 PM

Sunny

81° 💧 None 💨 6 mph H 79%29.94 inHg

8:00 PM

Clear night

78° 💧 None 💨 6 mph H 84%29.94 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 8 mph H 84%29.94 inHg

10:00 PM

Partly cloudy night

76° 💧 None 💨 8 mph H 85%29.97 inHg

11:00 PM

Overcast night

76° 💧 None 💨 9 mph H 86%29.97 inHg

Tomorrow

12:00 AM

Strong thunderstorm

75° 💧 0.000 in 💨 8 mph H 87%29.97 inHg

1:00 AM

Strong thunderstorm

75° 💧 0.001 in 💨 7 mph H 88%29.97 inHg

2:00 AM

Strong thunderstorm

73° 💧 0.000 in 💨 5 mph H 91%30.00 inHg

3:00 AM

Light rain

72° 💧 0.017 in 💨 1 mph H 95%30.03 inHg

4:00 AM

Light rain

72° 💧 0.059 in 💨 12 mph H 96%29.97 inHg

5:00 AM

Light rain

72° 💧 0.005 in 💨 10 mph H 95%29.97 inHg

6:00 AM

Overcast night

72° 💧 None 💨 5 mph H 96%30.00 inHg

7:00 AM

Overcast

71° 💧 None 💨 7 mph H 97%30.00 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 95%30.03 inHg

9:00 AM

Mostly cloudy

74° 💧 None 💨 7 mph H 91%30.06 inHg

10:00 AM

Overcast

76° 💧 0.001 in 💨 7 mph H 86%30.06 inHg

11:00 AM

Overcast

76° 💧 0.001 in 💨 6 mph H 83%30.06 inHg

12:00 PM

Overcast

77° 💧 0.001 in 💨 9 mph H 82%30.06 inHg

1:00 PM

Light rain

78° 💧 0.007 in 💨 11 mph H 80%30.03 inHg

2:00 PM

Overcast

79° 💧 0.001 in 💨 11 mph H 78%30.00 inHg

3:00 PM

Overcast

80° 💧 0.001 in 💨 11 mph H 75%29.97 inHg

4:00 PM

Overcast

81° 💧 0.000 in 💨 10 mph H 73%29.97 inHg

5:00 PM

Overcast

81° 💧 None 💨 9 mph H 72%29.94 inHg

6:00 PM

Mostly cloudy

81° 💧 None 💨 7 mph H 73%29.97 inHg

7:00 PM

Overcast

79° 💧 None 💨 8 mph H 77%29.97 inHg

8:00 PM

Overcast night

77° 💧 None 💨 9 mph H 80%29.97 inHg

9:00 PM

Mostly cloudy night

76° 💧 None 💨 9 mph H 80%30.00 inHg

10:00 PM

Mostly clear night

75° 💧 None 💨 10 mph H 81%30.03 inHg

11:00 PM

Mostly clear night

74° 💧 None 💨 10 mph H 82%30.03 inHg

Monday

12:00 AM

Partly cloudy night

73° 💧 None 💨 9 mph H 83%30.03 inHg

1:00 AM

Mostly cloudy night

72° 💧 None 💨 8 mph H 84%30.00 inHg

2:00 AM

Mostly cloudy night

72° 💧 None 💨 9 mph H 84%30.03 inHg

3:00 AM

Mostly clear night

71° 💧 None 💨 10 mph H 83%30.00 inHg

4:00 AM

Partly cloudy night

71° 💧 None 💨 10 mph H 84%30.00 inHg

5:00 AM

Mostly cloudy night

71° 💧 None 💨 10 mph H 84%30.03 inHg

6:00 AM

Overcast night

70° 💧 0.001 in 💨 11 mph H 84%30.03 inHg

7:00 AM

Mostly cloudy

70° 💧 0.001 in 💨 10 mph H 86%30.03 inHg

8:00 AM

Light rain

71° 💧 0.006 in 💨 11 mph H 85%30.03 inHg

9:00 AM

Light rain

72° 💧 0.007 in 💨 11 mph H 84%30.03 inHg

10:00 AM

Mostly cloudy

74° 💧 0.001 in 💨 13 mph H 77%30.03 inHg

11:00 AM

Mostly cloudy

77° 💧 0.000 in 💨 13 mph H 71%30.03 inHg

12:00 PM

Mostly cloudy

79° 💧 0.000 in 💨 12 mph H 66%30.03 inHg

1:00 PM

Overcast

81° 💧 None 💨 12 mph H 61%30.00 inHg

2:00 PM

Overcast

82° 💧 None 💨 11 mph H 59%30.00 inHg

3:00 PM

Overcast

83° 💧 None 💨 14 mph H 56%29.94 inHg

4:00 PM

Mostly cloudy

84° 💧 None 💨 14 mph H 54%29.94 inHg

5:00 PM

Partly cloudy

83° 💧 None 💨 14 mph H 55%29.94 inHg

6:00 PM

Partly cloudy

82° 💧 None 💨 15 mph H 58%29.91 inHg

7:00 PM

Partly cloudy

79° 💧 None 💨 14 mph H 62%29.91 inHg

Tuesday

4:00 AM

Mostly cloudy night

71° 💧 None 💨 18 mph H 63%29.88 inHg

7:00 AM

Overcast

72° 💧 None 💨 15 mph H 61%29.88 inHg

10:00 AM

Overcast

75° 💧 None 💨 14 mph H 61%29.88 inHg

1:00 PM

Overcast

78° 💧 None 💨 8 mph H 76%29.88 inHg

4:00 PM

Light rain

85° 💧 None 💨 13 mph H 68%29.83 inHg

7:00 PM

Light rain

80° 💧 None 💨 10 mph H 81%29.85 inHg

10:00 PM

Mostly clear night

74° 💧 None 💨 8 mph H 94%29.94 inHg

Wednesday

1:00 AM

Clear night

71° 💧 None 💨 5 mph H 93%29.94 inHg

4:00 AM

Clear night

64° 💧 None 💨 5 mph H 78%30.00 inHg

7:00 AM

Sunny

61° 💧 None 💨 5 mph H 83%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 12 mph H 64%30.06 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 13 mph H 55%30.06 inHg

4:00 PM

Sunny

77° 💧 None 💨 13 mph H 49%30.00 inHg

7:00 PM

Sunny

71° 💧 None 💨 7 mph H 66%30.03 inHg

10:00 PM

Clear night

64° 💧 None 💨 3 mph H 82%30.06 inHg

Thursday

1:00 AM

Clear night

61° 💧 None 💨 3 mph H 85%30.03 inHg

4:00 AM

Clear night

59° 💧 None 💨 4 mph H 90%30.03 inHg

7:00 AM

Sunny

58° 💧 None 💨 4 mph H 94%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 6 mph H 75%30.03 inHg

1:00 PM

Sunny

79° 💧 None 💨 8 mph H 46%29.97 inHg

4:00 PM

Sunny

81° 💧 None 💨 9 mph H 42%29.91 inHg

7:00 PM

Sunny

74° 💧 None 💨 8 mph H 59%29.88 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 10 mph H 69%29.88 inHg

Friday

1:00 AM

Clear night

67° 💧 None 💨 10 mph H 75%29.85 inHg

7:00 AM

Sunny

66° 💧 None 💨 6 mph H 74%29.94 inHg

1:00 PM

Partly cloudy

64° 💧 None 💨 9 mph H 75%29.91 inHg

7:00 PM

Partly cloudy

80° 💧 None 💨 15 mph H 39%29.85 inHg

Saturday

1:00 AM

Mostly clear night

74° 💧 None 💨 11 mph H 60%29.77 inHg

7:00 AM

Sunny

66° 💧 None 💨 9 mph H 86%29.77 inHg

1:00 PM

Mostly cloudy

65° 💧 None 💨 9 mph H 94%29.65 inHg

7:00 PM

Moderate rain

73° 💧 None 💨 15 mph H 85%29.53 inHg

Sunday

1:00 AM

Clear night

65° 💧 None 💨 16 mph H 60%29.74 inHg

7:00 AM

Sunny

57° 💧 None 💨 9 mph H 54%29.91 inHg

1:00 PM

Sunny

51° 💧 None 💨 10 mph H 67%30.00 inHg

7:00 PM

Partly cloudy

65° 💧 None 💨 13 mph H 31%30.06 inHg

Monday

1:00 AM

Mostly clear night

65° 💧 None 💨 11 mph H 38%30.00 inHg

7:00 AM

Sunny

53° 💧 None 💨 2 mph H 75%30.09 inHg

1:00 PM

Sunny

49° 💧 None 💨 2 mph H 89%30.15 inHg

7:00 PM

Mostly sunny

75° 💧 None 💨 7 mph H 35%30.12 inHg

Tuesday

1:00 AM

Clear night

73° 💧 None 💨 3 mph H 54%30.03 inHg

7:00 AM

Mostly sunny

64° 💧 None 💨 7 mph H 63%30.09 inHg

1:00 PM

Mostly sunny

60° 💧 None 💨 6 mph H 70%30.12 inHg

7:00 PM

Light rain

75° 💧 None 💨 4 mph H 56%30.12 inHg

Wednesday

1:00 AM

Clear night

74° 💧 None 💨 2 mph H 70%30.09 inHg

7:00 AM

Partly cloudy

65° 💧 None 💨 5 mph H 94%30.15 inHg

1:00 PM

Sunny

66° 💧 None 💨 7 mph H 96%30.15 inHg

7:00 PM

Overcast

83° 💧 None 💨 15 mph H 55%30.06 inHg

Thursday

1:00 AM

Overcast night

82° 💧 None 💨 16 mph H 55%29.88 inHg

7:00 AM

Light rain

71° 💧 None 💨 15 mph H 90%29.88 inHg

1:00 PM

Sunny

69° 💧 None 💨 8 mph H 95%29.94 inHg

7:00 PM

Sunny

78° 💧 None 💨 14 mph H 56%30.03 inHg

Friday

1:00 AM

Clear night

72° 💧 None 💨 11 mph H 63%30.12 inHg

7:00 AM

Sunny

62° 💧 None 💨 6 mph H 88%30.21 inHg

1:00 PM

Sunny

57° 💧 None 💨 4 mph H 96%30.24 inHg

7:00 PM

Sunny

72° 💧 None 💨 6 mph H 55%30.24 inHg

Saturday

1:00 AM

Clear night

70° 💧 None 💨 1 mph H 63%30.15 inHg

7:00 AM

Partly cloudy

60° 💧 None 💨 4 mph H 85%30.12 inHg

1:00 PM

Light rain

61° 💧 None 💨 8 mph H 78%30.06 inHg

7:00 PM

Mostly sunny

75° 💧 None 💨 10 mph H 57%30.03 inHg

Sunday

1:00 AM

Clear night

69° 💧 None 💨 10 mph H 56%30.06 inHg

In St. Clair and, more broadly, across the state of Minnesota: The rest of the day will feature a mix of sun and clouds, with mild to warm temperatures ranging from 66 to 84 degrees Fahrenheit. Winds will be moderate from the southeast, reaching up to 10 mph, with gusts up to 24 mph at times. No precipitation is expected, so conditions should remain dry throughout the afternoon. The breeze may cause some noticeable gusts, but otherwise, the weather will be fairly mild and comfortable for outdoor activities. Be prepared for the changing cloud cover while enjoying the pleasant temperatures later today.

15-Day Weather Outlook for St. Clair

TomorrowTomorrow

Strong thunderstorm 81°/71° 💧 None 💨 12 mph

Monday, Sep 7Mon Sep 7

Overcast 84°/70° 💧 None 💨 15 mph

Tuesday, Sep 8Tue Sep 8

Light rain 85°/71° 💧 0.735 in 💨 18 mph

Wednesday, Sep 9Wed Sep 9

Light rain 80°/61° 💧 0.093 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Sunny 81°/58° 💧 None 💨 9 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 74°/64° 💧 None 💨 10 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 80°/65° 💧 0.005 in 💨 15 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 73°/51° 💧 0.193 in 💨 16 mph

Monday, Sep 14Mon Sep 14

Partly cloudy 65°/49° 💧 None 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 75°/60° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Light rain 75°/65° 💧 0.113 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 83°/69° 💧 0.626 in 💨 16 mph

Friday, Sep 18Fri Sep 18

Sunny 78°/57° 💧 None 💨 14 mph

Saturday, Sep 19Sat Sep 19

Light rain 72°/60° 💧 0.006 in 💨 8 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 75°/69° 💧 0.024 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Clair

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Clair

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 8,4µg/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 8,9µg/m³

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

O₃ Ozone Fair 62,9µg/m³

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

NO₂ Nitrogen dioxide Good 1,0µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in St. Clair

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 7,2High 🙂Fair

Tomorrow UV 7,2High 🙂Fair

Monday UV 7,0High 🙂Fair

Tuesday UV 4,3Moderate 🙂Fair

Wednesday UV 7,0High 😊Good

Thursday UV 7,0High —Unavailable

Friday UV 5,0Moderate —Unavailable

Hourly UV index today

1:00 PMUV 7,2 2:00 PMUV 6,9 3:00 PMUV 5,6 4:00 PMUV 3,8 5:00 PMUV 1,9 6:00 PMUV 0,8 7:00 PMUV 0,2

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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 St. Clair

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. CLAIR, MINNESOTA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

78/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 9:26 PM–5:03 AM

☁ Cloud cover 30% Real hourly forecast for the best viewing hour.

☾ Moonlight 33% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 7° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min14%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for St. Clair were last refreshed today at 12:38 PM. The current forecast period extends through 07/09/2026 at 10:00 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.