Porcupine Mountains Wilderness State Park Weather Forecast
Porcupine Mountains Wilderness State Park weather: 46°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
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 46°F (8°C) in Porcupine Mountains Wilderness State Park with overcast. It feels like 41°F. Today runs from 46°F to 57°F. Chance of precipitation is 0%. Sightseeing conditions score 8.4/10 - good conditions.
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 cooler than average for September. The forecast high of 57°F is 13.3°F below the 70°F typical for this month. The best window to be outside is roughly 1 PM to 4 PM, when temperature, rain chance and wind line up best. running is the strongest bet in Porcupine Mountains Wilderness State Park today at 9.6/10. 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
Source: Open-Meteo. Updated 7:40 PM, Sep 22 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Porcupine Mountains Wilderness State Park
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Mon, Sep 21 | ☁️ Overcast | 57° / 46° | 0% | 12 mph | 4 |
| Tue, Sep 22 | ☁️ Overcast | 58° / 44° | 0% | 12 mph | 5 |
| Wed, Sep 23 | ☀️ Clear sky | 63° / 44° | 1% | 12 mph | 5 |
| Thu, Sep 24 | ☁️ Overcast | 67° / 51° | 2% | 12 mph | 5 |
| Fri, Sep 25 | ☁️ Overcast | 65° / 54° | 2% | 11 mph | 4 |
| Sat, Sep 26 | 🌦️ Light drizzle | 59° / 56° | 8% · 0,0 in | 8 mph | 0 |
| Sun, Sep 27 | ☁️ Overcast | 61° / 58° | 13% | 9 mph | 1 |
| Mon, Sep 28 | ☁️ Overcast | 71° / 58° | 24% | 20 mph | 4 |
| Tue, Sep 29 | 🌦️ Drizzle | 64° / 52° | 31% · 0,1 in | 21 mph | 3 |
| Wed, Sep 30 | ⛅ Partly cloudy | 60° / 49° | 30% | 10 mph | 4 |
| Thu, Oct 1 | ☁️ Overcast | 64° / 53° | 19% | 10 mph | 4 |
| Fri, Oct 2 | 🌦️ Light rain | 59° / 54° | 23% · 0,6 in | 16 mph | 1 |
| Sat, Oct 3 | ☁️ Overcast | 61° / 53° | 26% | 11 mph | 3 |
| Sun, Oct 4 | 🌦️ Drizzle | 65° / 54° | 29% · 0,1 in | 32 mph | 3 |
| Mon, Oct 5 | 🌦️ Light showers | 61° / 45° | 28% · 0,3 in | 32 mph | 1 |
| Tue, Oct 6 | ☀️ Clear sky | -- / -- | 32% | -- | — |
Climate in Porcupine Mountains Wilderness State Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 22° | 12° | 3,1 in | ★★☆☆☆ |
| February | 30° | 17° | 1,6 in | ★★☆☆☆ |
| March | 37° | 23° | 3,1 in | ★★☆☆☆ |
| April | 48° | 32° | 3,7 in | ★★★☆☆ |
| May | 60° | 43° | 2,2 in | ★★★★☆ |
| June | 70° | 54° | 3,8 in | ★★★★☆ |
| July | 76° | 61° | 2,2 in | ★★★★☆ |
| August | 73° | 60° | 2,4 in | ★★★★☆ |
| September | 70° | 57° | 3,0 in | ★★★★☆ |
| October | 57° | 46° | 3,9 in | ★★★☆☆ |
| November | 41° | 32° | 3,4 in | ★★☆☆☆ |
| December | 31° | 21° | 3,1 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Weather map for Porcupine Mountains Wilderness State Park
Animated model layers. Pick a layer to load it.
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
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
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.
Explore Porcupine Mountains Wilderness State Park
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
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 46°F (8°C) with overcast. Humidity is 73% and wind is 7 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 7:40 PM.
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 data | USPOTUS Atlas dataset (state-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, 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 September 22, 2026 at 7:40 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
