Live Weather & Forecast

Weather in Ontonagon

Michigan, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly Cloudy
16°C
Feels like 16°C
61°F / Feels 60°F
Partly Cloudy
Ontonagon, Michigan
🌙 Nighttime
Updated: 2026-04-12 23:30
💧
Humidity
81%
💨
Wind
23.4 km/h W
🌬️
Wind Gust
49.1 km/h
🌡️
Pressure
996 mb
👁️
Visibility
10 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
27%
💦
Dew Point
12.9°C
🌐
Wind Degree
269°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
150.7 μg/m³
NO₂
3 μg/m³
O₃
81 μg/m³
SO₂
0.8 μg/m³
PM 2.5
6.4 μg/m³
PM 10
7.7 μg/m³

Weather Alerts 3

Met · Severe · Future
Flood Watch issued April 12 at 12:11PM EDT until April 15 at 8:00AM EDT by NWS Marquette MI

Heavy rain may fall on a deep primed snowpack leading to the melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of central Upper and western Upper Michigan, including the following areas, in central Upper Michigan, Alger, Baraga, Delta, Dickinson, Iron, Luce, Marquette, Menomi...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Expected
Flood Warning issued April 12 at 11:49AM EDT by NWS Marquette MI

...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Michigan... Sturgeon River near Alston affecting Houghton and Baraga Counties. .Warming temperatures will accelerate snowmelt over the weekend into early next week. Flows in rivers will increase quickly and reach critical levels. Rainfall, potentially heavy at times, is expected to...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/marquette. The next statement will be issued late tonight at 400 AM EDT.

Met · Minor · Expected
Flood Advisory issued April 12 at 10:56AM CDT by NWS Marquette MI

...The National Weather Service in Marquette has issued a Flood Advisory for the following rivers in Michigan... Black River near Bessemer affecting Gogebic County. .Warming temperatures will accelerate snowmelt early this week. Flows in rivers will increase quickly and could rise into Flood Warning. Rainfall is expected to continue during this time period, which could result in rivers rising ab...

If you encounter a flooded roadway, turn around and find an alternative route. Additional information is available at www.weather.gov/marquette. The next statement will be issued late tonight at 300 AM CDT.

Today's Hourly Forecast

24-hour breakdown for Ontonagon, Michigan

12 AM
Patchy rain nearby
Patchy rain nearby
💧 81% 💨 19.1 km/h 🌧️ 100%
1 AM
Patchy rain nearby
Patchy rain nearby
💧 80% 💨 21.2 km/h 🌧️ 100%
2 AM
Clear
Clear
💧 82% 💨 22.7 km/h
3 AM
Patchy rain nearby
Patchy rain nearby
💧 85% 💨 24.1 km/h 🌧️ 100%
4 AM
Patchy light rain
Patchy light rain
💧 90% 💨 25.2 km/h 🌧️ 100%
5 AM
Light rain
Light rain
💧 89% 💨 26.3 km/h 🌧️ 100%
6 AM
Light drizzle
Light drizzle
💧 90% 💨 22.7 km/h 🌧️ 100%
7 AM
Light rain
Light rain
💧 86% 💨 21.6 km/h 🌧️ 100%
8 AM
Patchy rain nearby
Patchy rain nearby
💧 85% 💨 20.2 km/h 🌧️ 70%
9 AM
Patchy rain nearby
Patchy rain nearby
💧 88% 💨 22 km/h 🌧️ 100%
10 AM
Patchy rain nearby
Patchy rain nearby
💧 88% 💨 22.7 km/h 🌧️ 76%
11 AM
Patchy rain nearby
11°
Patchy rain nearby
💧 88% 💨 20.9 km/h 🌧️ 82%
12 PM
Partly Cloudy
12°
Partly Cloudy
💧 87% 💨 22 km/h
1 PM
Overcast
14°
Overcast
💧 87% 💨 22.7 km/h
2 PM
Sunny
17°
Sunny
💧 79% 💨 23 km/h
3 PM
Partly Cloudy
18°
Partly Cloudy
💧 73% 💨 22.3 km/h
4 PM
Sunny
19°
Sunny
💧 70% 💨 20.2 km/h
5 PM
Sunny
20°
Sunny
💧 69% 💨 24.8 km/h
6 PM
Sunny
20°
Sunny
💧 68% 💨 24.5 km/h
7 PM
Sunny
20°
Sunny
💧 73% 💨 24.8 km/h
8 PM
Sunny
20°
Sunny
💧 71% 💨 27 km/h
9 PM
Clear
20°
Clear
💧 71% 💨 28.1 km/h
10 PM
Clear
18°
Clear
💧 68% 💨 29.9 km/h
11 PM
Partly Cloudy
16°
Partly Cloudy
💧 81% 💨 23.4 km/h

3-Day Forecast

Daily overview for Ontonagon, Michigan

Today
Moderate rain
Moderate rain
21° /
🌧️ 85% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 29.9 km/h
🌧️ Total precip: 6.58 mm
☀️ UV Index: 0.5
🌅 Sunrise: 07:15 AM
🌇 Sunset: 08:42 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
Moderate rain
/
🌧️ 88% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 6.16 mm
☀️ UV Index: 0.9
🌅 Sunrise: 07:13 AM
🌇 Sunset: 08:43 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
Moderate rain
/
🌧️ 78% chance of rain
💧 Avg. humidity: 97%
💨 Max wind: 25.2 km/h
🌧️ Total precip: 10.7 mm
☀️ UV Index: 0.5
🌅 Sunrise: 07:12 AM
🌇 Sunset: 08:44 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Ontonagon

Plan your trip to Ontonagon, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Ontonagon 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Ontonagon?
Current conditions in Ontonagon: Partly Cloudy, temperature 16°C, humidity 81%.
What is the best time to visit Ontonagon?
The best time to visit Ontonagon is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Ontonagon?
Ontonagon is located at approximately 46.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Ontonagon?
The wettest period in Ontonagon is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Ontonagon?
For visits to Ontonagon during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Ontonagon in?
Ontonagon is located in United States, in the state of Michigan.
What are the public holidays in Ontonagon in 2026?
View the 2026 public holidays for Ontonagon on our Holidays page.
What are the GPS coordinates used for the weather forecast in Ontonagon?
The weather forecast for Ontonagon uses coordinates 46.8711, -89.314.