Walloon Lake, Saturday, 8 August, 22:10
Clear. Feels like 64°. High 77°, low 63°.
Walloon Lake, Sunday, 9 August
Overcast. High 80°, low 64°.
Walloon Lake, Monday, 10 August
Light rain. High 80°, low 62°.
Walloon Lake, Tuesday, 11 August
Overcast. High 80°, low 58°.
Walloon Lake, Wednesday, 12 August
Light rain. High 74°, low 58°.
Walloon Lake, Thursday, 13 August
Light rain. High 70°, low 50°.
Walloon Lake, Friday, 14 August
Light rain. High 74°, low 51°.
Walloon Lake, Saturday, 15 August
Overcast. High 74°, low 49°.
Walloon Lake, Sunday, 16 August
Partly cloudy. High 79°, low 53°.
Walloon Lake, Monday, 17 August
Overcast. High 81°, low 58°.
Walloon Lake, Tuesday, 18 August
Rain. High 88°, low 60°.
Walloon Lake, Wednesday, 19 August
Light rain. High 68°, low 57°.
Walloon Lake, Thursday, 20 August
Light rain. High 71°, low 55°.
Walloon Lake, Friday, 21 August
Mostly clear. High 75°, low 48°.
Walloon Lake, Saturday, 22 August
Light rain. High 73°, low 53°.
Walloon Lake, Sunday, 23 August
Rain. High 70°, low 59°.
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Walloon Lake, MI are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
They are real temperature extremes recorded in Walloon Lake, MI since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.