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Current weather in Ontonagon is overcast clouds.

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

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

Now · 4:15 AM

Ontonagon Weather & Hourly Forecast

United States · Michigan · 49953

70°F

Overcast night

Feels like: 71°F

💧 Humidity 84% 🌡 Pressure 30.09 inHg 💨 Wind 8 mph 👁 Visibility 24.7 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Ontonagon

Today

5:00 AM

Overcast night

70° 💧 None 💨 7 mph H 84%30.09 inHg

8:00 AM

Overcast

68° 💧 None 💨 8 mph H 87%30.12 inHg

11:00 AM

Overcast

71° 💧 None 💨 7 mph H 78%30.12 inHg

2:00 PM

Overcast

76° 💧 None 💨 3 mph H 63%30.09 inHg

5:00 PM

Mostly cloudy

78° 💧 None 💨 4 mph H 54%30.03 inHg

8:00 PM

Overcast

74° 💧 None 💨 6 mph H 71%30.03 inHg

11:00 PM

Overcast night

72° 💧 None 💨 10 mph H 69%30.03 inHg

Tomorrow

2:00 AM

Overcast night

71° 💧 None 💨 9 mph H 74%30.03 inHg

5:00 AM

Light rain

68° 💧 0.349 in 💨 11 mph H 85%30.00 inHg

8:00 AM

Thunderstorms

65° 💧 0.473 in 💨 14 mph H 92%29.97 inHg

11:00 AM

Light thunderstorms

66° 💧 0.069 in 💨 10 mph H 91%29.94 inHg

2:00 PM

Overcast

72° 💧 None 💨 9 mph H 81%29.88 inHg

5:00 PM

Overcast

74° 💧 None 💨 9 mph H 77%29.83 inHg

8:00 PM

Mostly sunny

74° 💧 None 💨 10 mph H 80%29.83 inHg

11:00 PM

Overcast night

73° 💧 0.001 in 💨 17 mph H 81%29.83 inHg

Wednesday

2:00 AM

Light thunderstorms

72° 💧 0.003 in 💨 13 mph H 88%29.80 inHg

Today

5:00 AM

Overcast night

70° 💧 None 💨 7 mph H 84%30.09 inHg

6:00 AM

Overcast night

69° 💧 None 💨 8 mph H 86%30.09 inHg

7:00 AM

Overcast night

68° 💧 None 💨 8 mph H 87%30.09 inHg

8:00 AM

Overcast

68° 💧 None 💨 8 mph H 87%30.12 inHg

9:00 AM

Overcast

68° 💧 None 💨 8 mph H 84%30.12 inHg

10:00 AM

Overcast

69° 💧 None 💨 8 mph H 82%30.12 inHg

11:00 AM

Overcast

71° 💧 None 💨 7 mph H 78%30.12 inHg

12:00 PM

Overcast

73° 💧 None 💨 6 mph H 71%30.12 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 4 mph H 67%30.12 inHg

2:00 PM

Overcast

76° 💧 None 💨 3 mph H 63%30.09 inHg

3:00 PM

Overcast

77° 💧 None 💨 4 mph H 59%30.06 inHg

4:00 PM

Overcast

77° 💧 None 💨 2 mph H 58%30.06 inHg

5:00 PM

Mostly cloudy

78° 💧 None 💨 4 mph H 54%30.03 inHg

6:00 PM

Mostly cloudy

78° 💧 None 💨 5 mph H 54%30.03 inHg

7:00 PM

Overcast

77° 💧 None 💨 5 mph H 62%30.03 inHg

8:00 PM

Overcast

74° 💧 None 💨 6 mph H 71%30.03 inHg

9:00 PM

Overcast night

73° 💧 None 💨 7 mph H 72%30.03 inHg

10:00 PM

Overcast night

72° 💧 None 💨 9 mph H 71%30.03 inHg

11:00 PM

Overcast night

72° 💧 None 💨 10 mph H 69%30.03 inHg

Tomorrow

12:00 AM

Mostly cloudy night

72° 💧 None 💨 11 mph H 72%30.03 inHg

1:00 AM

Overcast night

71° 💧 None 💨 9 mph H 74%30.03 inHg

2:00 AM

Overcast night

71° 💧 None 💨 9 mph H 74%30.03 inHg

3:00 AM

Overcast night

71° 💧 None 💨 6 mph H 75%30.03 inHg

4:00 AM

Overcast night

70° 💧 None 💨 9 mph H 76%30.03 inHg

5:00 AM

Light rain

68° 💧 0.062 in 💨 11 mph H 85%30.00 inHg

6:00 AM

Thunderstorms

66° 💧 0.117 in 💨 16 mph H 91%30.00 inHg

7:00 AM

Thunderstorms

65° 💧 0.170 in 💨 14 mph H 91%29.97 inHg

8:00 AM

Thunderstorms

65° 💧 0.164 in 💨 14 mph H 92%29.97 inHg

9:00 AM

Thunderstorms

64° 💧 0.187 in 💨 13 mph H 91%29.97 inHg

10:00 AM

Thunderstorms

65° 💧 0.122 in 💨 11 mph H 91%29.94 inHg

11:00 AM

Light thunderstorms

66° 💧 0.050 in 💨 10 mph H 91%29.94 inHg

12:00 PM

Light rain

68° 💧 0.018 in 💨 8 mph H 90%29.94 inHg

1:00 PM

Overcast

70° 💧 0.000 in 💨 10 mph H 86%29.91 inHg

2:00 PM

Overcast

72° 💧 None 💨 9 mph H 81%29.88 inHg

3:00 PM

Overcast

72° 💧 None 💨 10 mph H 78%29.88 inHg

4:00 PM

Overcast

73° 💧 None 💨 9 mph H 78%29.85 inHg

5:00 PM

Overcast

74° 💧 None 💨 9 mph H 77%29.83 inHg

6:00 PM

Overcast

75° 💧 None 💨 10 mph H 75%29.83 inHg

7:00 PM

Mostly cloudy

75° 💧 None 💨 11 mph H 77%29.83 inHg

8:00 PM

Mostly sunny

74° 💧 None 💨 10 mph H 80%29.83 inHg

9:00 PM

Partly cloudy night

72° 💧 None 💨 11 mph H 81%29.83 inHg

10:00 PM

Overcast night

72° 💧 None 💨 13 mph H 82%29.83 inHg

11:00 PM

Overcast night

73° 💧 None 💨 17 mph H 81%29.83 inHg

Wednesday

12:00 AM

Overcast night

73° 💧 None 💨 15 mph H 82%29.80 inHg

1:00 AM

Mostly clear night

72° 💧 0.001 in 💨 13 mph H 85%29.80 inHg

2:00 AM

Light thunderstorms

72° 💧 0.003 in 💨 13 mph H 88%29.80 inHg

3:00 AM

Clear night

71° 💧 None 💨 15 mph H 89%29.80 inHg

4:00 AM

Clear night

70° 💧 None 💨 17 mph H 89%29.80 inHg

5:00 AM

Mostly clear night

69° 💧 None 💨 17 mph H 88%29.80 inHg

6:00 AM

Mostly cloudy night

68° 💧 None 💨 16 mph H 85%29.80 inHg

7:00 AM

Mostly cloudy night

68° 💧 None 💨 16 mph H 82%29.80 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 17 mph H 81%29.80 inHg

9:00 AM

Partly cloudy

68° 💧 None 💨 17 mph H 79%29.80 inHg

10:00 AM

Mostly sunny

68° 💧 None 💨 19 mph H 76%29.80 inHg

11:00 AM

Partly cloudy

68° 💧 None 💨 21 mph H 74%29.80 inHg

12:00 PM

Sunny

68° 💧 None 💨 22 mph H 72%29.80 inHg

1:00 PM

Sunny

68° 💧 None 💨 22 mph H 71%29.80 inHg

2:00 PM

Sunny

68° 💧 None 💨 21 mph H 71%29.80 inHg

3:00 PM

Sunny

68° 💧 None 💨 21 mph H 70%29.80 inHg

4:00 PM

Sunny

68° 💧 None 💨 21 mph H 68%29.80 inHg

5:00 PM

Sunny

67° 💧 None 💨 20 mph H 69%29.80 inHg

6:00 PM

Sunny

67° 💧 None 💨 19 mph H 69%29.80 inHg

7:00 PM

Sunny

66° 💧 None 💨 20 mph H 70%29.83 inHg

8:00 PM

Mostly sunny

65° 💧 None 💨 19 mph H 73%29.83 inHg

11:00 PM

Mostly clear night

64° 💧 None 💨 12 mph H 67%29.88 inHg

Thursday

2:00 AM

Clear night

61° 💧 None 💨 10 mph H 72%29.91 inHg

5:00 AM

Clear night

57° 💧 None 💨 6 mph H 87%29.94 inHg

8:00 AM

Sunny

55° 💧 None 💨 6 mph H 96%29.97 inHg

11:00 AM

Mostly sunny

63° 💧 None 💨 6 mph H 71%30.00 inHg

2:00 PM

Sunny

66° 💧 None 💨 7 mph H 56%30.00 inHg

5:00 PM

Sunny

68° 💧 None 💨 6 mph H 49%29.94 inHg

8:00 PM

Partly cloudy

62° 💧 None 💨 3 mph H 71%29.94 inHg

11:00 PM

Clear night

59° 💧 None 💨 7 mph H 72%29.91 inHg

Friday

2:00 AM

Mostly clear night

60° 💧 None 💨 9 mph H 76%29.91 inHg

5:00 AM

Partly cloudy night

60° 💧 None 💨 10 mph H 78%29.91 inHg

8:00 AM

Mostly sunny

60° 💧 None 💨 10 mph H 77%29.88 inHg

11:00 AM

Mostly sunny

70° 💧 None 💨 11 mph H 66%29.85 inHg

2:00 PM

Partly cloudy

77° 💧 None 💨 13 mph H 53%29.80 inHg

5:00 PM

Mostly cloudy

78° 💧 None 💨 12 mph H 50%29.74 inHg

8:00 PM

Sunny

72° 💧 None 💨 11 mph H 61%29.71 inHg

11:00 PM

Light rain

68° 💧 None 💨 9 mph H 70%29.68 inHg

Saturday

2:00 AM

Light rain

63° 💧 None 💨 3 mph H 89%29.71 inHg

5:00 AM

Light rain

62° 💧 None 💨 16 mph H 97%29.59 inHg

8:00 AM

Overcast

63° 💧 None 💨 14 mph H 95%29.62 inHg

11:00 AM

Partly cloudy

64° 💧 None 💨 17 mph H 93%29.68 inHg

2:00 PM

Sunny

67° 💧 None 💨 13 mph H 58%29.80 inHg

5:00 PM

Sunny

67° 💧 None 💨 14 mph H 53%29.85 inHg

8:00 PM

Sunny

63° 💧 None 💨 10 mph H 59%29.88 inHg

Sunday

2:00 AM

Partly cloudy night

57° 💧 None 💨 7 mph H 79%30.00 inHg

8:00 AM

Overcast

55° 💧 None 💨 6 mph H 92%30.12 inHg

2:00 PM

Partly cloudy

63° 💧 None 💨 7 mph H 72%30.18 inHg

8:00 PM

Mostly sunny

57° 💧 None 💨 0 mph H 85%30.18 inHg

Monday

2:00 AM

Clear night

50° 💧 None 💨 7 mph H 97%30.21 inHg

8:00 AM

Mostly cloudy

49° 💧 None 💨 9 mph H 91%30.15 inHg

2:00 PM

Light rain

56° 💧 None 💨 12 mph H 97%29.94 inHg

8:00 PM

Light rain

59° 💧 None 💨 12 mph H 99%29.62 inHg

Tuesday

2:00 AM

Overcast night

60° 💧 None 💨 16 mph H 95%29.47 inHg

8:00 AM

Moderate rain

54° 💧 None 💨 18 mph H 93%29.71 inHg

2:00 PM

Light rain

59° 💧 None 💨 18 mph H 66%29.97 inHg

8:00 PM

Mostly sunny

58° 💧 None 💨 10 mph H 70%30.09 inHg

Wednesday

2:00 AM

Clear night

53° 💧 None 💨 7 mph H 92%30.18 inHg

8:00 AM

Sunny

51° 💧 None 💨 7 mph H 85%30.27 inHg

2:00 PM

Light rain

65° 💧 None 💨 11 mph H 53%30.27 inHg

8:00 PM

Mostly sunny

58° 💧 None 💨 11 mph H 68%30.33 inHg

Thursday

2:00 AM

Partly cloudy night

52° 💧 None 💨 7 mph H 70%30.42 inHg

8:00 AM

Mostly sunny

51° 💧 None 💨 5 mph H 74%30.42 inHg

2:00 PM

Partly cloudy

58° 💧 None 💨 12 mph H 46%30.39 inHg

8:00 PM

Partly cloudy

54° 💧 None 💨 10 mph H 59%30.24 inHg

Friday

2:00 AM

Clear night

55° 💧 None 💨 12 mph H 68%30.15 inHg

8:00 AM

Sunny

53° 💧 None 💨 13 mph H 74%30.09 inHg

2:00 PM

Sunny

61° 💧 None 💨 15 mph H 58%30.09 inHg

8:00 PM

Sunny

58° 💧 None 💨 8 mph H 65%30.06 inHg

Saturday

2:00 AM

Mostly clear night

52° 💧 None 💨 5 mph H 82%30.09 inHg

8:00 AM

Sunny

53° 💧 None 💨 7 mph H 92%30.12 inHg

2:00 PM

Mostly sunny

66° 💧 None 💨 12 mph H 51%30.06 inHg

8:00 PM

Sunny

58° 💧 None 💨 6 mph H 74%29.97 inHg

Sunday

2:00 AM

Mostly clear night

56° 💧 None 💨 9 mph H 78%29.91 inHg

8:00 AM

Overcast

57° 💧 None 💨 10 mph H 72%29.83 inHg

2:00 PM

Partly cloudy

66° 💧 None 💨 12 mph H 73%29.80 inHg

8:00 PM

Light rain

60° 💧 None 💨 7 mph H 89%29.83 inHg

Monday

2:00 AM

Mostly clear night

49° 💧 None 💨 4 mph H 93%30.00 inHg

8:00 AM

Partly cloudy

44° 💧 None 💨 2 mph H 93%30.06 inHg

2:00 PM

Light rain

53° 💧 None 💨 6 mph H 75%30.09 inHg

8:00 PM

Clear night

47° 💧 None 💨 4 mph H 76%30.12 inHg

In Ontonagon and, more broadly, across the state of Michigan: Clear skies will persist through the evening, with temperatures remaining mild, ranging from 67 to 72 degrees Fahrenheit. Light southeast winds will blow at up to 6 mph, with occasional gusts reaching 7 mph. No precipitation is expected tonight, providing a calm and comfortable night ahead. Conditions will remain tranquil into the early morning hours, making it a good time for outdoor activities or a peaceful night’s sleep. Temperatures are likely to stay within the mild range, and winds will stay gentle throughout the night.

15-Day Weather Outlook for Ontonagon

TomorrowTomorrow

Thunderstorms 75°/64° 💧 None 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Light thunderstorms 74°/66° 💧 None 💨 22 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 68°/55° 💧 1.327 in 💨 19 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 78°/59° 💧 None 💨 13 mph

Saturday, Sep 12Sat Sep 12

Light rain 72°/62° 💧 0.770 in 💨 17 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 63°/55° 💧 0.033 in 💨 10 mph

Monday, Sep 14Mon Sep 14

Light rain 57°/49° 💧 0.176 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 60°/54° 💧 0.738 in 💨 18 mph

Wednesday, Sep 16Wed Sep 16

Light rain 65°/51° 💧 0.012 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 58°/51° 💧 0.026 in 💨 12 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 61°/53° 💧 None 💨 15 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 66°/52° 💧 None 💨 12 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 66°/56° 💧 0.118 in 💨 12 mph

Monday, Sep 21Mon Sep 21

Light rain 60°/44° 💧 0.060 in 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Sunny 47°/47° 💧 0.004 in 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Ontonagon

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Ontonagon

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 5:00 AM

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

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

O₃ Ozone Good 42,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,2µg/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 Ontonagon

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 5,3Moderate 😊Good

Tomorrow UV 4,1Moderate 🙂Fair

Wednesday UV 5,3Moderate 🙂Fair

Thursday UV 5,2Moderate 🙂Fair

Friday UV 7,0High 😊Good

Saturday UV 4,0Moderate —Unavailable

Sunday UV 3,0Moderate —Unavailable

Hourly UV index today

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

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 Ontonagon

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ONTONAGON, MICHIGAN

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

30/100Best-hour score

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

☁ Cloud cover 95% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon about 19° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 77° 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.

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Forecast data for Ontonagon were last refreshed today at 4:15 AM. The current forecast period extends through 09/09/2026 at 2:00 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.