Lake Michigan Weather Forecast
Lake Michigan weather: 62°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Lake Michigan is a lake in Illinois. Lake Michigan is a lake known as the only Great Lake entirely in the US.
Right now it is 62°F (17°C) in Lake Michigan with clear. It feels like 52°F. Today runs from 51°F to 62°F. Chance of precipitation is 7%. Sightseeing conditions score 8.6/10 - excellent - go now.
The best time to visit Lake Michigan is July, August and September. The climate is subarctic. January, March and December tend to be the least comfortable months. August is the warmest month with average highs near 70°F, while January is the coldest with lows near 21°F.
The closest major airport is O'Hare International Airport (ORD), about 147 mi away. Nearby highlights include Indiana Dunes National Park, Starved Rock State Park and Porcupine Mountains Wilderness State Park.
In plain terms. Today is slightly warmer than average for October. The forecast high of 62°F is 5.4°F above the 57°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Lake Michigan today at 9.5/10. 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 Lake Michigan right now
Source: Open-Meteo. Updated 6:44 PM, Oct 4 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Lake Michigan
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Oct 3 | 🌥️ Fog | 62° / 51° | 7% | 23 mph | 5 |
| Sun, Oct 4 | 🌦️ Drizzle | 63° / 56° | 39% · 0,0 in | 29 mph | 5 |
| Mon, Oct 5 | ☁️ Overcast | 57° / 53° | 0% | 25 mph | 5 |
| Tue, Oct 6 | ☁️ Overcast | 64° / 58° | 1% | 31 mph | 4 |
| Wed, Oct 7 | ☁️ Overcast | 64° / 59° | 1% | 21 mph | 4 |
| Thu, Oct 8 | ☁️ Overcast | 62° / 55° | 5% | 21 mph | 4 |
| Fri, Oct 9 | ☁️ Overcast | 60° / 55° | 5% | 15 mph | 4 |
| Sat, Oct 10 | ☁️ Overcast | 61° / 57° | 6% | 18 mph | 4 |
| Sun, Oct 11 | 🌦️ Drizzle | 62° / 59° | 10% · 0,1 in | 21 mph | 4 |
| Mon, Oct 12 | 🌧️ Heavy drizzle | 62° / 59° | 30% · 0,2 in | 27 mph | 1 |
| Tue, Oct 13 | 🌤️ Mainly clear | 60° / 56° | 30% | 21 mph | 4 |
| Wed, Oct 14 | 🌧️ Showers | 61° / 60° | 35% · 1,6 in | 21 mph | 1 |
| Thu, Oct 15 | 🌧️ Heavy drizzle | 62° / 48° | 42% · 0,2 in | 34 mph | 3 |
| Fri, Oct 16 | 🌦️ Light drizzle | 48° / 44° | 27% · 0,0 in | 32 mph | 2 |
| Sat, Oct 17 | ☁️ Overcast | 57° / 44° | 27% | 29 mph | 4 |
| Sun, Oct 18 | ☁️ Overcast | 61° / 56° | 13% | 34 mph | 4 |
Climate in Lake Michigan 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 | 28° | 21° | 2,6 in | ★★☆☆☆ |
| February | 33° | 25° | 1,3 in | ★★☆☆☆ |
| March | 37° | 30° | 3,8 in | ★★☆☆☆ |
| April | 41° | 35° | 3,6 in | ★★★☆☆ |
| May | 47° | 41° | 4,0 in | ★★★☆☆ |
| June | 56° | 51° | 3,7 in | ★★★★☆ |
| July | 67° | 63° | 2,4 in | ★★★★☆ |
| August | 70° | 64° | 2,2 in | ★★★★☆ |
| September | 66° | 61° | 1,3 in | ★★★★★ |
| October | 57° | 51° | 3,1 in | ★★★★☆ |
| November | 45° | 39° | 2,8 in | ★★★☆☆ |
| December | 36° | 29° | 2,4 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Weather map for Lake Michigan
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 Lake Michigan
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 Lake Michigan
Go in July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and December - expect the least comfortable mix of heat, cold or rain.
Explore Lake Michigan
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 Lake Michigan?
Lake Michigan is a lake in Illinois. Its coordinates are 44, -87. It lies in North America.
What is the weather like in Lake Michigan right now?
It is currently 62°F (17°C) with clear. Humidity is 57% and wind is 21 mph.
When is the best time to visit Lake Michigan?
July, August and September offer the most comfortable conditions in Lake Michigan, which has a subarctic climate. January, March and December are usually the hardest months for outdoor plans.
What time zone is Lake Michigan in?
Lake Michigan observes America/Detroit (UTC-04:00). The local time is 6:44 PM.
What is the nearest airport to Lake Michigan?
The closest airports are O'Hare International Airport (ORD), 147 mi away.
What are the top things to do in Lake Michigan?
Popular options include Indiana Dunes National Park, Starved Rock State Park and Porcupine Mountains Wilderness State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (lakes) - 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 October 4, 2026 at 6:44 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
