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Current weather in Cottage Grove is overcast clouds.

Where can I find the hourly weather forecast for Cottage Grove?

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Weather data for Cottage Grove is updated regularly with the latest available observations and forecasts.

Now · 3:58 PM

Cottage Grove Weather & Hourly Forecast

United States · Minnesota · 55016

81°F

Overcast

Feels like: 77°F

💧 Humidity 52% 🌡 Pressure 29.97 inHg 💨 Wind 14 mph 👁 Visibility 26.5 mi ☁ Clouds 100% ☀️ UV index 4.9 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Cottage Grove

Today

4:00 PM

Overcast

81° 💧 None 💨 14 mph H 52%29.97 inHg

7:00 PM

Overcast

76° 💧 None 💨 11 mph H 62%29.97 inHg

10:00 PM

Mostly cloudy night

73° 💧 0.002 in 💨 14 mph H 65%29.97 inHg

Tomorrow

1:00 AM

Thunderstorms

69° 💧 0.204 in 💨 4 mph H 82%30.00 inHg

4:00 AM

Overcast night

68° 💧 0.056 in 💨 12 mph H 77%29.91 inHg

7:00 AM

Overcast

67° 💧 0.004 in 💨 11 mph H 91%29.94 inHg

10:00 AM

Overcast

72° 💧 0.158 in 💨 8 mph H 86%29.91 inHg

1:00 PM

Overcast

75° 💧 0.002 in 💨 10 mph H 87%29.88 inHg

4:00 PM

Overcast

82° 💧 0.000 in 💨 9 mph H 76%29.85 inHg

7:00 PM

Mostly cloudy

79° 💧 0.149 in 💨 9 mph H 87%29.85 inHg

10:00 PM

Light thunderstorms

73° 💧 0.047 in 💨 8 mph H 96%29.88 inHg

Wednesday

1:00 AM

Clear night

70° 💧 None 💨 7 mph H 94%29.91 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 4 mph H 88%29.94 inHg

7:00 AM

Mostly cloudy

63° 💧 None 💨 6 mph H 90%29.97 inHg

10:00 AM

Sunny

71° 💧 None 💨 7 mph H 73%29.97 inHg

1:00 PM

Sunny

77° 💧 None 💨 12 mph H 51%29.97 inHg

Today

4:00 PM

Overcast

81° 💧 None 💨 14 mph H 52%29.97 inHg

5:00 PM

Overcast

80° 💧 None 💨 13 mph H 51%29.94 inHg

6:00 PM

Overcast

78° 💧 None 💨 11 mph H 57%29.97 inHg

7:00 PM

Overcast

76° 💧 None 💨 11 mph H 62%29.97 inHg

8:00 PM

Overcast night

75° 💧 None 💨 11 mph H 60%29.97 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 13 mph H 62%29.97 inHg

10:00 PM

Mostly cloudy night

73° 💧 None 💨 14 mph H 65%29.97 inHg

11:00 PM

Overcast night

72° 💧 None 💨 14 mph H 67%29.97 inHg

Tomorrow

12:00 AM

Light thunderstorms

72° 💧 0.002 in 💨 12 mph H 68%29.97 inHg

1:00 AM

Thunderstorms

69° 💧 0.157 in 💨 4 mph H 82%30.00 inHg

2:00 AM

Light thunderstorms

66° 💧 0.047 in 💨 16 mph H 87%29.94 inHg

3:00 AM

Overcast night

67° 💧 0.000 in 💨 12 mph H 82%29.94 inHg

4:00 AM

Overcast night

68° 💧 None 💨 12 mph H 77%29.91 inHg

5:00 AM

Light rain

68° 💧 0.025 in 💨 14 mph H 80%29.94 inHg

6:00 AM

Light rain

67° 💧 0.030 in 💨 12 mph H 89%29.91 inHg

7:00 AM

Overcast

67° 💧 0.002 in 💨 11 mph H 91%29.94 inHg

8:00 AM

Overcast

68° 💧 0.001 in 💨 10 mph H 91%29.94 inHg

9:00 AM

Overcast

70° 💧 0.000 in 💨 8 mph H 89%29.91 inHg

10:00 AM

Overcast

72° 💧 0.000 in 💨 8 mph H 86%29.91 inHg

11:00 AM

Thunderstorms

72° 💧 0.139 in 💨 14 mph H 90%29.94 inHg

12:00 PM

Light rain

74° 💧 0.020 in 💨 13 mph H 89%29.91 inHg

1:00 PM

Overcast

75° 💧 0.000 in 💨 10 mph H 87%29.88 inHg

2:00 PM

Mostly cloudy

78° 💧 0.002 in 💨 9 mph H 83%29.88 inHg

3:00 PM

Mostly cloudy

81° 💧 None 💨 11 mph H 76%29.85 inHg

4:00 PM

Overcast

82° 💧 None 💨 9 mph H 76%29.85 inHg

5:00 PM

Overcast

82° 💧 None 💨 8 mph H 78%29.85 inHg

6:00 PM

Overcast

81° 💧 0.000 in 💨 9 mph H 82%29.85 inHg

7:00 PM

Mostly cloudy

79° 💧 0.001 in 💨 9 mph H 87%29.85 inHg

8:00 PM

Light thunderstorms

77° 💧 0.007 in 💨 8 mph H 92%29.85 inHg

9:00 PM

Thunderstorms

73° 💧 0.141 in 💨 10 mph H 98%29.91 inHg

10:00 PM

Light thunderstorms

73° 💧 0.047 in 💨 8 mph H 96%29.88 inHg

11:00 PM

Clear night

72° 💧 0.000 in 💨 7 mph H 97%29.91 inHg

Wednesday

12:00 AM

Clear night

72° 💧 None 💨 7 mph H 97%29.91 inHg

1:00 AM

Clear night

70° 💧 None 💨 7 mph H 94%29.91 inHg

2:00 AM

Clear night

68° 💧 None 💨 8 mph H 89%29.91 inHg

3:00 AM

Mostly clear night

66° 💧 None 💨 4 mph H 89%29.94 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 4 mph H 88%29.94 inHg

5:00 AM

Partly cloudy night

64° 💧 None 💨 4 mph H 88%29.94 inHg

6:00 AM

Clear night

63° 💧 None 💨 5 mph H 89%29.97 inHg

7:00 AM

Mostly cloudy

63° 💧 None 💨 6 mph H 90%29.97 inHg

8:00 AM

Sunny

65° 💧 None 💨 7 mph H 87%29.97 inHg

9:00 AM

Mostly sunny

68° 💧 None 💨 6 mph H 84%29.97 inHg

10:00 AM

Sunny

71° 💧 None 💨 7 mph H 73%29.97 inHg

11:00 AM

Sunny

74° 💧 None 💨 9 mph H 61%29.97 inHg

12:00 PM

Sunny

76° 💧 None 💨 11 mph H 53%29.97 inHg

1:00 PM

Sunny

77° 💧 None 💨 12 mph H 51%29.97 inHg

2:00 PM

Sunny

77° 💧 None 💨 12 mph H 49%29.94 inHg

3:00 PM

Sunny

77° 💧 None 💨 13 mph H 48%29.94 inHg

4:00 PM

Sunny

76° 💧 None 💨 15 mph H 49%29.94 inHg

5:00 PM

Sunny

75° 💧 None 💨 14 mph H 53%29.94 inHg

6:00 PM

Sunny

73° 💧 None 💨 11 mph H 57%29.94 inHg

7:00 PM

Sunny

71° 💧 None 💨 9 mph H 61%29.94 inHg

8:00 PM

Clear night

69° 💧 None 💨 7 mph H 66%29.94 inHg

9:00 PM

Clear night

67° 💧 None 💨 6 mph H 71%29.97 inHg

10:00 PM

Clear night

65° 💧 None 💨 5 mph H 77%30.00 inHg

11:00 PM

Clear night

64° 💧 None 💨 6 mph H 79%30.00 inHg

Thursday

12:00 AM

Clear night

63° 💧 None 💨 5 mph H 82%30.00 inHg

1:00 AM

Clear night

62° 💧 None 💨 5 mph H 84%30.00 inHg

2:00 AM

Clear night

62° 💧 None 💨 5 mph H 86%30.00 inHg

3:00 AM

Clear night

61° 💧 None 💨 4 mph H 88%30.00 inHg

4:00 AM

Clear night

60° 💧 None 💨 4 mph H 89%30.00 inHg

5:00 AM

Mostly clear night

59° 💧 None 💨 4 mph H 91%30.00 inHg

6:00 AM

Clear night

58° 💧 None 💨 3 mph H 92%30.03 inHg

7:00 AM

Sunny

58° 💧 None 💨 3 mph H 94%30.03 inHg

10:00 AM

Sunny

68° 💧 None 💨 3 mph H 70%30.06 inHg

1:00 PM

Sunny

74° 💧 None 💨 5 mph H 48%30.03 inHg

4:00 PM

Sunny

76° 💧 None 💨 7 mph H 49%29.97 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 4 mph H 67%29.94 inHg

10:00 PM

Clear night

67° 💧 None 💨 8 mph H 73%29.94 inHg

Friday

1:00 AM

Clear night

64° 💧 None 💨 8 mph H 76%29.91 inHg

4:00 AM

Mostly clear night

63° 💧 None 💨 9 mph H 79%29.88 inHg

7:00 AM

Sunny

63° 💧 None 💨 11 mph H 80%29.85 inHg

10:00 AM

Mostly cloudy

70° 💧 None 💨 14 mph H 68%29.83 inHg

1:00 PM

Overcast

78° 💧 None 💨 16 mph H 53%29.74 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 17 mph H 52%29.65 inHg

7:00 PM

Mostly cloudy

79° 💧 None 💨 16 mph H 61%29.62 inHg

10:00 PM

Light rain

72° 💧 None 💨 16 mph H 85%29.68 inHg

Saturday

1:00 AM

Overcast night

69° 💧 None 💨 11 mph H 92%29.77 inHg

4:00 AM

Clear night

65° 💧 None 💨 10 mph H 76%29.83 inHg

7:00 AM

Sunny

59° 💧 None 💨 9 mph H 70%29.91 inHg

10:00 AM

Sunny

65° 💧 None 💨 9 mph H 59%29.97 inHg

1:00 PM

Sunny

72° 💧 None 💨 11 mph H 44%29.97 inHg

4:00 PM

Mostly sunny

74° 💧 None 💨 10 mph H 41%29.97 inHg

7:00 PM

Mostly sunny

69° 💧 None 💨 4 mph H 54%30.00 inHg

10:00 PM

Clear night

63° 💧 None 💨 2 mph H 69%30.03 inHg

Sunday

1:00 AM

Partly cloudy night

60° 💧 None 💨 0 mph H 77%30.06 inHg

4:00 AM

Partly cloudy night

57° 💧 None 💨 4 mph H 89%30.09 inHg

7:00 AM

Overcast

56° 💧 None 💨 4 mph H 90%30.09 inHg

1:00 PM

Light rain

68° 💧 None 💨 11 mph H 60%30.06 inHg

7:00 PM

Light rain

60° 💧 None 💨 13 mph H 94%29.97 inHg

Monday

1:00 AM

Light thunderstorms

63° 💧 None 💨 15 mph H 95%29.88 inHg

7:00 AM

Light rain

68° 💧 None 💨 15 mph H 97%29.74 inHg

1:00 PM

Moderate rain

74° 💧 None 💨 20 mph H 93%29.68 inHg

7:00 PM

Sunny

68° 💧 None 💨 11 mph H 83%29.74 inHg

Tuesday

1:00 AM

Clear night

62° 💧 None 💨 13 mph H 65%29.85 inHg

7:00 AM

Sunny

56° 💧 None 💨 12 mph H 76%30.00 inHg

1:00 PM

Partly cloudy

65° 💧 None 💨 13 mph H 56%30.15 inHg

7:00 PM

Sunny

62° 💧 None 💨 5 mph H 64%30.18 inHg

Wednesday

1:00 AM

Clear night

54° 💧 None 💨 4 mph H 86%30.30 inHg

7:00 AM

Sunny

52° 💧 None 💨 3 mph H 89%30.39 inHg

1:00 PM

Mostly cloudy

70° 💧 None 💨 8 mph H 48%30.39 inHg

7:00 PM

Mostly sunny

65° 💧 None 💨 7 mph H 66%30.30 inHg

Thursday

1:00 AM

Overcast night

59° 💧 None 💨 6 mph H 76%30.33 inHg

7:00 AM

Overcast

58° 💧 None 💨 10 mph H 83%30.27 inHg

1:00 PM

Overcast

68° 💧 None 💨 11 mph H 70%30.18 inHg

7:00 PM

Overcast

67° 💧 None 💨 6 mph H 93%30.09 inHg

Friday

1:00 AM

Overcast night

65° 💧 None 💨 4 mph H 98%30.09 inHg

7:00 AM

Overcast

61° 💧 None 💨 7 mph H 96%30.12 inHg

1:00 PM

Overcast

67° 💧 None 💨 8 mph H 72%30.15 inHg

7:00 PM

Overcast

62° 💧 None 💨 7 mph H 76%30.15 inHg

Saturday

1:00 AM

Overcast night

57° 💧 None 💨 6 mph H 86%30.18 inHg

7:00 AM

Overcast

55° 💧 None 💨 3 mph H 85%30.15 inHg

1:00 PM

Overcast

62° 💧 None 💨 3 mph H 74%30.12 inHg

7:00 PM

Mostly cloudy

63° 💧 None 💨 2 mph H 79%30.03 inHg

Sunday

1:00 AM

Overcast night

61° 💧 None 💨 1 mph H 90%30.03 inHg

7:00 AM

Overcast

60° 💧 None 💨 3 mph H 89%30.06 inHg

1:00 PM

Mostly sunny

67° 💧 None 💨 3 mph H 70%30.09 inHg

7:00 PM

Partly cloudy

65° 💧 None 💨 3 mph H 73%30.06 inHg

Monday

1:00 AM

Overcast night

60° 💧 None 💨 7 mph H 81%30.09 inHg

7:00 AM

Partly cloudy

56° 💧 None 💨 8 mph H 84%30.09 inHg

1:00 PM

Overcast

64° 💧 None 💨 10 mph H 81%30.00 inHg

7:00 PM

Mostly sunny

65° 💧 None 💨 11 mph H 87%29.85 inHg

Tuesday

1:00 AM

Mostly cloudy night

67° 💧 None 💨 9 mph H 78%29.80 inHg

7:00 AM

Mostly cloudy

63° 💧 None 💨 8 mph H 90%29.77 inHg

In Cottage Grove and, more broadly, across the state of Minnesota: As the afternoon progresses into the evening, skies will remain mostly cloudy. Temperatures will be mild to warm, ranging from around 72 to 80 degrees Fahrenheit. Rain is likely to occur, with an estimated accumulation of about 0.18 inches, and there is a high probability of rain tonight. Winds will be coming from the south at speeds up to 17 mph, with gusts reaching as high as 38 mph, potentially causing some breezy conditions. Motorists and pedestrians should be prepared for the possibility of wet roads and gusty winds as the evening unfolds. Light to moderate rain and gusty southern winds could linger into the late hours, so staying alert to changing weather conditions is advisable.

15-Day Weather Outlook for Cottage Grove

TomorrowTomorrow

Light thunderstorms 82°/66° 💧 None 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Light thunderstorms 79°/63° 💧 None 💨 16 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 76°/58° 💧 0.785 in 💨 9 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 80°/63° 💧 None 💨 17 mph

Saturday, Sep 12Sat Sep 12

Light rain 79°/59° 💧 0.054 in 💨 16 mph

Sunday, Sep 13Sun Sep 13

Light rain 69°/56° 💧 0.048 in 💨 11 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 74°/60° 💧 2.914 in 💨 20 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 68°/56° 💧 0.141 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 70°/52° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 68°/58° 💧 0.005 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Overcast 67°/61° 💧 0.272 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Overcast 62°/55° 💧 0.002 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Overcast 67°/60° 💧 0.032 in 💨 3 mph

Monday, Sep 21Mon Sep 21

Overcast 65°/56° 💧 0.007 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Mostly cloudy 67°/63° 💧 0.011 in 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Cottage Grove

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Cottage Grove

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 PM

PM2.5 Fine particles Good 7,9µg/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 8,3µg/m³

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

O₃ Ozone Fair 81,3µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 Cottage Grove

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 6,7High 🙂Fair

Tomorrow UV 4,7Moderate 🙂Fair

Wednesday UV 5,7Moderate 🙂Fair

Thursday UV 6,0High 🙂Fair

Friday UV 5,9Moderate 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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 Cottage Grove

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · COTTAGE GROVE, MINNESOTA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

37/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 88% Real hourly forecast for the best viewing hour.

☾ Moonlight 15% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 16° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

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

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% 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

Explore current conditions and forecasts for other locations.

Forecast data for Cottage Grove were last refreshed today at 3:58 PM. The current forecast period extends through 09/09/2026 at 1:00 PM. 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.