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Now · 9:35 AM

Marine on St. Croix Weather & Hourly Forecast

United States · Minnesota · 55047

74°F

Mostly sunny

Feels like: 76°F

💧 Humidity 77% 🌡 Pressure 30.09 inHg 💨 Wind 8 mph 👁 Visibility 22.3 mi ☁ Clouds 33% ☀️ UV index 1.2 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Marine on St. Croix

Today

10:00 AM

Mostly sunny

74° 💧 None 💨 8 mph H 77%30.09 inHg

1:00 PM

Sunny

80° 💧 None 💨 8 mph H 61%30.06 inHg

4:00 PM

Sunny

83° 💧 None 💨 8 mph H 53%30.03 inHg

7:00 PM

Sunny

79° 💧 None 💨 7 mph H 63%30.00 inHg

10:00 PM

Overcast night

72° 💧 None 💨 6 mph H 81%30.06 inHg

Tomorrow

1:00 AM

Overcast night

71° 💧 None 💨 6 mph H 80%30.06 inHg

4:00 AM

Overcast night

69° 💧 None 💨 9 mph H 88%30.06 inHg

7:00 AM

Mostly cloudy

69° 💧 None 💨 10 mph H 84%30.06 inHg

10:00 AM

Mostly cloudy

75° 💧 None 💨 12 mph H 70%30.09 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 14 mph H 55%30.03 inHg

4:00 PM

Overcast

83° 💧 None 💨 14 mph H 50%29.97 inHg

7:00 PM

Overcast

79° 💧 None 💨 13 mph H 53%29.97 inHg

10:00 PM

Overcast night

75° 💧 None 💨 16 mph H 56%29.97 inHg

Tuesday

1:00 AM

Overcast night

72° 💧 None 💨 15 mph H 64%29.94 inHg

4:00 AM

Overcast night

71° 💧 0.169 in 💨 15 mph H 62%29.91 inHg

7:00 AM

Light thunderstorms

65° 💧 0.303 in 💨 12 mph H 92%29.94 inHg

Today

10:00 AM

Mostly sunny

74° 💧 None 💨 8 mph H 77%30.09 inHg

11:00 AM

Mostly cloudy

77° 💧 None 💨 8 mph H 71%30.09 inHg

12:00 PM

Mostly sunny

79° 💧 None 💨 8 mph H 65%30.09 inHg

1:00 PM

Sunny

80° 💧 None 💨 8 mph H 61%30.06 inHg

2:00 PM

Sunny

82° 💧 None 💨 8 mph H 57%30.03 inHg

3:00 PM

Sunny

83° 💧 None 💨 8 mph H 55%30.03 inHg

4:00 PM

Sunny

83° 💧 None 💨 8 mph H 53%30.03 inHg

5:00 PM

Sunny

83° 💧 None 💨 8 mph H 54%30.00 inHg

6:00 PM

Sunny

81° 💧 None 💨 9 mph H 56%30.00 inHg

7:00 PM

Sunny

79° 💧 None 💨 7 mph H 63%30.00 inHg

8:00 PM

Mostly cloudy night

76° 💧 None 💨 6 mph H 71%30.00 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 5 mph H 78%30.03 inHg

10:00 PM

Overcast night

72° 💧 None 💨 6 mph H 81%30.06 inHg

11:00 PM

Overcast night

72° 💧 None 💨 8 mph H 80%30.06 inHg

Tomorrow

12:00 AM

Overcast night

72° 💧 None 💨 7 mph H 78%30.06 inHg

1:00 AM

Overcast night

71° 💧 None 💨 6 mph H 80%30.06 inHg

2:00 AM

Overcast night

70° 💧 None 💨 4 mph H 85%30.09 inHg

3:00 AM

Overcast night

69° 💧 None 💨 7 mph H 88%30.09 inHg

4:00 AM

Overcast night

69° 💧 None 💨 9 mph H 88%30.06 inHg

5:00 AM

Overcast night

69° 💧 None 💨 12 mph H 85%30.03 inHg

6:00 AM

Overcast night

69° 💧 None 💨 10 mph H 84%30.06 inHg

7:00 AM

Mostly cloudy

69° 💧 None 💨 10 mph H 84%30.06 inHg

8:00 AM

Partly cloudy

70° 💧 None 💨 9 mph H 82%30.09 inHg

9:00 AM

Partly cloudy

72° 💧 None 💨 10 mph H 76%30.09 inHg

10:00 AM

Mostly cloudy

75° 💧 None 💨 12 mph H 70%30.09 inHg

11:00 AM

Partly cloudy

78° 💧 None 💨 13 mph H 63%30.09 inHg

12:00 PM

Partly cloudy

80° 💧 None 💨 13 mph H 58%30.06 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 14 mph H 55%30.03 inHg

2:00 PM

Mostly cloudy

83° 💧 None 💨 14 mph H 52%30.03 inHg

3:00 PM

Mostly cloudy

83° 💧 None 💨 14 mph H 51%30.00 inHg

4:00 PM

Overcast

83° 💧 None 💨 14 mph H 50%29.97 inHg

5:00 PM

Overcast

82° 💧 None 💨 14 mph H 50%29.97 inHg

6:00 PM

Overcast

81° 💧 None 💨 13 mph H 51%29.97 inHg

7:00 PM

Overcast

79° 💧 None 💨 13 mph H 53%29.97 inHg

8:00 PM

Overcast night

77° 💧 None 💨 12 mph H 56%29.97 inHg

9:00 PM

Overcast night

76° 💧 None 💨 14 mph H 57%29.97 inHg

10:00 PM

Overcast night

75° 💧 None 💨 16 mph H 56%29.97 inHg

11:00 PM

Overcast night

74° 💧 None 💨 16 mph H 59%29.97 inHg

Tuesday

12:00 AM

Overcast night

73° 💧 None 💨 16 mph H 62%29.97 inHg

1:00 AM

Overcast night

72° 💧 None 💨 15 mph H 64%29.94 inHg

2:00 AM

Mostly cloudy night

72° 💧 None 💨 16 mph H 64%29.91 inHg

3:00 AM

Overcast night

72° 💧 None 💨 16 mph H 63%29.91 inHg

4:00 AM

Overcast night

71° 💧 None 💨 15 mph H 62%29.91 inHg

5:00 AM

Light thunderstorms

69° 💧 0.088 in 💨 13 mph H 74%29.91 inHg

6:00 AM

Light thunderstorms

67° 💧 0.081 in 💨 9 mph H 80%29.94 inHg

7:00 AM

Light thunderstorms

65° 💧 0.089 in 💨 12 mph H 92%29.94 inHg

8:00 AM

Thunderstorms

65° 💧 0.168 in 💨 11 mph H 95%29.94 inHg

9:00 AM

Light thunderstorms

66° 💧 0.046 in 💨 10 mph H 93%29.94 inHg

10:00 AM

Light thunderstorms

67° 💧 0.030 in 💨 13 mph H 94%29.94 inHg

11:00 AM

Overcast

70° 💧 0.003 in 💨 10 mph H 87%29.91 inHg

12:00 PM

Overcast

75° 💧 None 💨 11 mph H 72%29.88 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 11 mph H 62%29.85 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 12 mph H 55%29.83 inHg

3:00 PM

Mostly cloudy

83° 💧 None 💨 12 mph H 55%29.80 inHg

4:00 PM

Mostly sunny

84° 💧 None 💨 12 mph H 55%29.80 inHg

5:00 PM

Partly cloudy

84° 💧 None 💨 11 mph H 57%29.80 inHg

6:00 PM

Light thunderstorms

83° 💧 0.004 in 💨 8 mph H 63%29.80 inHg

7:00 PM

Thunderstorms

74° 💧 0.114 in 💨 2 mph H 96%29.83 inHg

Wednesday

4:00 AM

Clear night

65° 💧 None 💨 8 mph H 93%29.88 inHg

7:00 AM

Sunny

63° 💧 None 💨 10 mph H 80%29.91 inHg

10:00 AM

Sunny

70° 💧 None 💨 15 mph H 57%29.91 inHg

1:00 PM

Partly cloudy

74° 💧 None 💨 17 mph H 52%29.94 inHg

4:00 PM

Partly cloudy

75° 💧 None 💨 17 mph H 48%29.91 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 11 mph H 59%29.94 inHg

10:00 PM

Clear night

66° 💧 None 💨 8 mph H 71%29.97 inHg

Thursday

1:00 AM

Clear night

62° 💧 None 💨 8 mph H 78%30.00 inHg

4:00 AM

Clear night

58° 💧 None 💨 6 mph H 85%30.00 inHg

7:00 AM

Sunny

56° 💧 None 💨 4 mph H 91%30.00 inHg

10:00 AM

Sunny

66° 💧 None 💨 4 mph H 69%30.03 inHg

1:00 PM

Sunny

72° 💧 None 💨 6 mph H 48%29.97 inHg

4:00 PM

Sunny

74° 💧 None 💨 6 mph H 45%29.91 inHg

7:00 PM

Sunny

71° 💧 None 💨 1 mph H 60%29.88 inHg

10:00 PM

Clear night

63° 💧 None 💨 7 mph H 72%29.88 inHg

Friday

1:00 AM

Clear night

62° 💧 None 💨 9 mph H 70%29.85 inHg

4:00 AM

Clear night

62° 💧 None 💨 9 mph H 72%29.83 inHg

7:00 AM

Mostly sunny

61° 💧 None 💨 11 mph H 76%29.80 inHg

10:00 AM

Mostly cloudy

70° 💧 None 💨 13 mph H 64%29.77 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 15 mph H 53%29.68 inHg

4:00 PM

Moderate rain

75° 💧 None 💨 8 mph H 67%29.65 inHg

7:00 PM

Moderate rain

67° 💧 None 💨 8 mph H 88%29.62 inHg

10:00 PM

Light rain

64° 💧 None 💨 16 mph H 96%29.62 inHg

Saturday

1:00 AM

Overcast night

65° 💧 None 💨 5 mph H 98%29.65 inHg

7:00 AM

Mostly sunny

63° 💧 None 💨 1 mph H 98%29.74 inHg

1:00 PM

Mostly sunny

57° 💧 None 💨 8 mph H 96%29.83 inHg

7:00 PM

Partly cloudy

70° 💧 None 💨 4 mph H 56%29.88 inHg

Sunday

1:00 AM

Overcast night

68° 💧 None 💨 1 mph H 70%29.85 inHg

7:00 AM

Overcast

62° 💧 None 💨 6 mph H 79%29.88 inHg

1:00 PM

Heavy rain

58° 💧 None 💨 14 mph H 94%29.80 inHg

7:00 PM

Light rain

64° 💧 None 💨 12 mph H 93%29.74 inHg

Monday

1:00 AM

Light rain

63° 💧 None 💨 13 mph H 97%29.74 inHg

7:00 AM

Light rain

62° 💧 None 💨 8 mph H 97%29.83 inHg

1:00 PM

Overcast

60° 💧 None 💨 7 mph H 97%29.85 inHg

7:00 PM

Overcast

62° 💧 None 💨 12 mph H 86%29.91 inHg

Tuesday

1:00 AM

Overcast night

62° 💧 None 💨 10 mph H 79%29.94 inHg

7:00 AM

Mostly cloudy

58° 💧 None 💨 12 mph H 73%30.00 inHg

1:00 PM

Mostly sunny

52° 💧 None 💨 10 mph H 87%30.12 inHg

7:00 PM

Overcast

61° 💧 None 💨 10 mph H 64%30.18 inHg

Wednesday

1:00 AM

Mostly cloudy night

60° 💧 None 💨 6 mph H 70%30.21 inHg

7:00 AM

Overcast

57° 💧 None 💨 4 mph H 79%30.27 inHg

1:00 PM

Mostly cloudy

55° 💧 None 💨 1 mph H 87%30.30 inHg

7:00 PM

Overcast

63° 💧 None 💨 3 mph H 56%30.30 inHg

Thursday

1:00 AM

Clear night

59° 💧 None 💨 5 mph H 72%30.18 inHg

7:00 AM

Mostly cloudy

54° 💧 None 💨 9 mph H 79%30.15 inHg

1:00 PM

Overcast

54° 💧 None 💨 10 mph H 82%30.09 inHg

7:00 PM

Overcast

66° 💧 None 💨 13 mph H 68%30.00 inHg

Friday

1:00 AM

Overcast night

66° 💧 None 💨 6 mph H 79%29.91 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 8 mph H 82%29.91 inHg

1:00 PM

Overcast

54° 💧 None 💨 6 mph H 74%29.94 inHg

7:00 PM

Mostly cloudy

61° 💧 None 💨 13 mph H 46%29.88 inHg

Saturday

1:00 AM

Clear night

57° 💧 None 💨 11 mph H 53%29.88 inHg

7:00 AM

Sunny

49° 💧 None 💨 7 mph H 72%29.97 inHg

1:00 PM

Sunny

45° 💧 None 💨 6 mph H 84%30.06 inHg

7:00 PM

Partly cloudy

58° 💧 None 💨 13 mph H 51%30.09 inHg

Sunday

1:00 AM

Mostly clear night

53° 💧 None 💨 11 mph H 57%30.15 inHg

7:00 AM

Mostly cloudy

47° 💧 None 💨 8 mph H 73%30.24 inHg

1:00 PM

Partly cloudy

43° 💧 None 💨 6 mph H 85%30.36 inHg

7:00 PM

Overcast

54° 💧 None 💨 9 mph H 51%30.39 inHg

Monday

1:00 AM

Clear night

51° 💧 None 💨 1 mph H 67%30.36 inHg

In Marine on St. Croix and, more broadly, across the state of Minnesota: This morning will start with mostly cloudy skies and mild temperatures around 65 degrees. As the day progresses, temperatures are expected to warm up into the mid to upper 80s. Winds will be moderate from the southeast at around 15 mph, with gusts reaching up to 27 mph. There is a possibility of rain later in the day, with total accumulation expected to be about 0.17 inches. The highest likelihood of precipitation is during the afternoon, so outdoor plans should consider the potential for wet weather and gusty winds. Overall, it will be a warm and breezy day with periods of cloud cover and a chance of rain.

15-Day Weather Outlook for Marine on St. Croix

TomorrowTomorrow

Mostly cloudy 83°/69° 💧 None 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Light thunderstorms 84°/65° 💧 None 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Thunderstorms 75°/63° 💧 0.554 in 💨 17 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 74°/56° 💧 None 💨 11 mph

Friday, Sep 11Fri Sep 11

Moderate rain 78°/61° 💧 0.027 in 💨 15 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 67°/57° 💧 0.944 in 💨 16 mph

Sunday, Sep 13Sun Sep 13

Heavy rain 70°/58° 💧 0.873 in 💨 14 mph

Monday, Sep 14Mon Sep 14

Light rain 64°/60° 💧 1.818 in 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Overcast 62°/52° 💧 0.038 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Overcast 61°/55° 💧 0.002 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Overcast 63°/54° 💧 None 💨 10 mph

Friday, Sep 18Fri Sep 18

Overcast 66°/54° 💧 0.023 in 💨 13 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 61°/45° 💧 None 💨 13 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 58°/43° 💧 0.004 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Overcast 54°/51° 💧 0.001 in 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Marine on St. Croix

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Marine on St. Croix

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 3,8µg/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 4,1µg/m³

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

O₃ Ozone Good 38,7µg/m³

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

NO₂ Nitrogen dioxide Good 2,1µg/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 Marine on St. Croix

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 5,2Moderate 😊Good

Tomorrow UV 6,6High 🙂Fair

Tuesday UV 5,9Moderate 🙂Fair

Wednesday UV 5,9Moderate 🙂Fair

Thursday UV 7,0High 😊Good

Friday UV 8,0Very high —Unavailable

Saturday UV 6,0High —Unavailable

Hourly UV index today

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 Marine on St. Croix

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MARINE ON ST. CROIX, MINNESOTA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

42/100Best-hour score

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

☁ Cloud cover 80% Real hourly forecast for the best viewing hour.

☾ Moonlight 24% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 9° 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.

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Forecast data for Marine on St. Croix were last refreshed today at 9:35 AM. The current forecast period extends through 08/09/2026 at 7:00 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.