State park in Michigan

Porcupine Mountains Wilderness State Park Weather Forecast

Porcupine Mountains Wilderness State Park weather: 67°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☀️ 67°F now🕔 8:25 AM local📅 Best: June, July, August and September

Summary

Porcupine Mountains Wilderness State Park is a state park in Michigan. Porcupine Mountains Wilderness State Park is known for old-growth forest on Lake Superior.

Right now it is 67°F (19°C) in Porcupine Mountains Wilderness State Park with clear sky. It feels like 64°F. Today runs from 61°F to 69°F. Chance of precipitation is 8%. Sightseeing conditions score 9.1/10 - excellent - go now.

The best time to visit Porcupine Mountains Wilderness State Park is June, July, August and September. The climate is subarctic. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 76°F, while January is the coldest with lows near 12°F.

Nearby highlights include Tettegouche State Park, Isle Royale National Park, Lake Superior and Voyageurs National Park.

In plain terms. Today is slightly cooler than average for August. The forecast high of 69°F is 3.4°F below the 73°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Porcupine Mountains Wilderness State Park today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Weather in Porcupine Mountains Wilderness State Park right now

☀️
67°F
Clear sky · feels like 64°F
Humidity71%
Wind12 mph NW
Gusts22 mph
UV index0.4 · Low
Cloud cover0%
Pressure982 hPa
VisibilityExcellent · 14 mi
Air quality45 · Good
Sunrise7:06 AM
Sunset8:57 PM
Moon🌔 Waxing gibbous · 80%

Source: Open-Meteo. Updated 8:25 AM, Aug 23 local time.

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

8 PM🌙67°0%12 mph
9 PM🌙65°0%14 mph
10 PM🌙65°1%14 mph
11 PM☁️65°2%13 mph
12 AM🌙64°1%13 mph
1 AM🌙63°0%13 mph
2 AM🌙62°0%13 mph
3 AM🌙60°0%11 mph
4 AM🌙59°0%11 mph
5 AM🌙58°0%10 mph
6 AM🌙58°0%12 mph
7 AM☀️56°0%13 mph
8 AM☀️57°0%13 mph
9 AM☀️58°0%13 mph
10 AM🌤️59°0%12 mph
11 AM🌤️60°0%12 mph
12 PM🌤️60°0%11 mph
1 PM🌤️60°0%11 mph
2 PM🌤️61°0%11 mph
3 PM☀️61°0%9 mph
4 PM🌤️62°0%8 mph
5 PM☀️62°0%6 mph
6 PM☀️62°0%5 mph
7 PM🌙61°0%3 mph

16-day forecast for Porcupine Mountains Wilderness State Park

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Sat, Aug 22☁️ Overcast69° / 61°8%14 mph6
Sun, Aug 23🌤️ Mainly clear64° / 56°1%13 mph6
Mon, Aug 24☁️ Overcast65° / 55°0%7 mph6
Tue, Aug 25🌦️ Light drizzle73° / 58°65% · 0,0 in11 mph6
Wed, Aug 26🌧️ Showers69° / 60°65% · 0,4 in18 mph5
Thu, Aug 27🌦️ Light drizzle64° / 58°16% · 0,0 in16 mph5
Fri, Aug 28🌦️ Drizzle59° / 53°4% · 0,2 in15 mph5
Sat, Aug 29🌤️ Mainly clear63° / 55°19%14 mph6
Sun, Aug 30⛅ Partly cloudy63° / 55°19%8 mph5
Mon, Aug 31🌦️ Light rain60° / 56°20% · 0,3 in10 mph1
Tue, Sep 1🌦️ Light drizzle59° / 54°20% · 0,1 in13 mph3
Wed, Sep 2☁️ Overcast64° / 51°17%15 mph6
Thu, Sep 3🌦️ Light drizzle68° / 55°19% · 0,1 in15 mph3
Fri, Sep 4☁️ Overcast70° / 57°29%14 mph5
Sat, Sep 5🌦️ Drizzle69° / 61°29% · 0,1 in14 mph2
Sun, Sep 6🌦️ Drizzle65° / 55°23% · 0,1 in19 mph3

Climate in Porcupine Mountains Wilderness State Park month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January22°12°3,1 in★★☆☆☆
February30°17°1,6 in★★☆☆☆
March37°23°3,1 in★★☆☆☆
April48°32°3,7 in★★★☆☆
May60°43°2,2 in★★★★
June70°54°3,8 in★★★★
July76°61°2,2 in★★★★
August73°59°2,3 in★★★★
September70°57°3,0 in★★★★
October57°46°3,9 in★★★☆☆
November41°32°3,4 in★★☆☆☆
December31°21°3,1 in★★☆☆☆

Climate type: Subarctic. Source: Open-Meteo archive (ERA5).

Weather map for Porcupine Mountains Wilderness State Park

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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in Porcupine Mountains Wilderness State Park

45
Good
Air quality is satisfactory for everyone.
PM2.55.8 µg/m³
PM106.1 µg/m³
Ozone58 µg/m³
NO₂0.5 µg/m³
UV index0.4 · Low
Airborne hazeLight haze

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise7:06 AM
Sunset8:57 PM
Daylight13h 51m
Solar noon2:01 PM
Golden hour (am)7:06 AM - 8:06 AM
Golden hour (pm)7:57 PM - 8:57 PM
Blue hour (am)6:36 AM - 7:06 AM
Blue hour (pm)8:57 PM - 9:27 PM
Moon phase🌔 Waxing gibbous · 80%
Moonrise6:55 PM
Moonset2:05 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Best time to visit Porcupine Mountains Wilderness State Park

Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★☆☆☆
February★★☆☆☆
March★★☆☆☆
April★★★☆☆
May★★★★
June★★★★
July★★★★
August★★★★
September★★★★
October★★★☆☆
November★★☆☆☆
December★★☆☆☆

Explore Porcupine Mountains Wilderness State Park

Every topic we hold for this place, and the same topic for the places around it.

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Frequently asked questions

Where is Porcupine Mountains Wilderness State Park?

Porcupine Mountains Wilderness State Park is a state park in Michigan. Its coordinates are 46.8181, -89.7376. It lies in North America.

What is the weather like in Porcupine Mountains Wilderness State Park right now?

It is currently 67°F (19°C) with clear sky. Humidity is 71% and wind is 12 mph.

When is the best time to visit Porcupine Mountains Wilderness State Park?

June, July, August and September offer the most comfortable conditions in Porcupine Mountains Wilderness State Park, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is Porcupine Mountains Wilderness State Park in?

Porcupine Mountains Wilderness State Park observes America/Detroit (UTC-04:00). The local time is 8:25 AM.

What are the top things to do in Porcupine Mountains Wilderness State Park?

Popular options include Tettegouche State Park, Isle Royale National Park, Lake Superior, Voyageurs National Park, Mississippi River and Lake Michigan.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (state-parks) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated August 23, 2026 at 8:25 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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