Weather WorldHarmon Lake, MI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Harmon Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | | | | |  |  |  |  | | |
| Mostly Cloudy | Chance of Rain | Chance of Rain | Rain | Rain | Chance of Rain | Mostly Clear | Mostly Sunny | Partly Cloudy | Clearing | Mostly Clear | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 80% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 321 PM EDT Tue Sep 29 2026 
Harmon Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Harmon Lake Weather Map
Harmon Lake Quick Facts
Harmon Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1230 AM EDT Wed Sep 30 2026
Key Messages
- Light rain today.
- Periods of rain is forecast Thursday into Friday. Locally heavy rain is possible.
- Cooler and drier air is forecast Saturday.
Aviation
...
VFR conditions will prevail through remainder of the early morning hours with the exiting high pressure pressure. High clouds will continue to thicken while southerly winds hold around 5-10 knots, which is expected to prevent any fog development. Greater mid level moisture will stream into the region and set the stage for lowering ce...