Porcupine Mountains & Ontonagon

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Ontonagon Lighthouse

Today’s Forecast:

79°F
Current Temperature
Clear
Station: KIWD
Observed at: 4:45 pm
Wind: 13 mph | Humidity: 42%

This Afternoon:Sunny. High near 79, with temperatures falling to around 76 in the afternoon. West wind around 10 mph, with gusts as high as 25 mph.
Tonight:Mostly clear. Low around 63, with temperatures rising to around 66 overnight. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday:Sunny, with a high near 75. Southwest wind around 10 mph, with gusts as high as 20 mph.

Today’s Report:

🥾 Hiking

Excellent
  98 /100

Excellent for hiking. High near 76°F. Low rain risk (1%). Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100

Camping

Excellent
  99 /100

Excellent for camping. High near 76°F. Low rain risk (1%). Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 49/100

🛶 Paddling

Use Caution
  49 /100

Use Caution for paddling. High near 76°F. Low rain risk (1%). Breezy winds (10 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 45/100

🐟 Fishing

Excellent
  99 /100

Excellent for fishing. High near 76°F. Low rain risk (1%). Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 47/100

About Porcupine Mountains & Ontonagon

Porcupine Mountains & Ontonagon is a western Upper Peninsula wilderness destination for big views, long hikes, campgrounds, waterfalls, Lake Superior shoreline, and backcountry-style planning. Weather matters here because access, trail difficulty, water exposure, and remoteness all raise the stakes. Visitors should think in terms of conservative routes, layers, and backup plans rather than a simple sunny-or-rainy forecast.

Make the Most of a Porcupine Mountains & Ontonagon Day

Use stable weather for longer hikes, backcountry-adjacent routes, and Lake Superior shoreline time. If storms, high wind, or heavy rain are possible, choose shorter trails, lower elevations, visitor center time, or town stops. Plan extra time because wet roots, rocks, and boardwalks can slow even experienced hikers.

Weather Tips for Porcupine Mountains & Ontonagon

  • Lake Superior can create cold, windy, and foggy conditions along the shoreline.
  • Wet rocks, roots, and steep trail sections can make hikes slower and more hazardous after rain.
  • Remote trailheads and limited cell service make storm timing especially important.
  • Campground nights can turn cool quickly outside peak summer.

Plan Around the Conditions

Use the forecast as a way to choose the best version of Porcupine Mountains & Ontonagon, not as a simple yes-or-no answer. Match the wind, rain timing, temperature, and water or trail conditions to the activity that gives your group the safest and most comfortable day.

7-Day Forecast for Porcupine Mountains & Ontonagon

79°F
Current Temperature
Clear
Station: KIWD
Observed at: 4:45 pm
Wind: 13 mph | Humidity: 42%
Thu
79° 63°
1%
Fri
75° 65°
1%
Sat
75° 62°
62%
Sun
76° 63°
21%
Mon
71° 59°
40%
Tue
68° 59°
7%
Wed
71° 61°
9%

7-Day High Temperature Trend

79° Thu 75° Fri 75° Sat 76° Sun 71° Mon 68° Tue 71° Wed

7-Day Low Temperature Trend

63° Thu 65° Fri 62° Sat 63° Sun 59° Mon 59° Tue 61° Wed

📊 7-Day Outdoor Outlook

Good Fair Poor 76 Thu 100 Fri 23 Sat 46 Sun 23 Mon 100 Tue 100 Wed
Forecast data from the National Weather Service  |  Last Updated: July 23, 2026 5:40 pm CDT