Grand Rapids, Saturday, 8 August, 23:33
Clear. Feels like 70°. High 87°, low 70°.
Grand Rapids, Sunday, 9 August
Rain. High 89°, low 63°.
Grand Rapids, Monday, 10 August
Heavy rain. High 85°, low 66°.
Grand Rapids, Tuesday, 11 August
Heavy rain. High 80°, low 65°.
Grand Rapids, Wednesday, 12 August
Light rain. High 81°, low 65°.
Grand Rapids, Thursday, 13 August
Overcast. High 70°, low 57°.
Grand Rapids, Friday, 14 August
Mostly clear. High 74°, low 56°.
Grand Rapids, Saturday, 15 August
Overcast. High 76°, low 58°.
Grand Rapids, Sunday, 16 August
Partly cloudy. High 75°, low 56°.
Grand Rapids, Monday, 17 August
Light rain. High 77°, low 64°.
Grand Rapids, Tuesday, 18 August
Partly cloudy. High 82°, low 63°.
Grand Rapids, Wednesday, 19 August
Light rain. High 76°, low 62°.
Grand Rapids, Thursday, 20 August
Overcast. High 70°, low 58°.
Grand Rapids, Friday, 21 August
Clear. High 72°, low 53°.
Grand Rapids, Saturday, 22 August
Light rain. High 73°, low 55°.
Grand Rapids, Sunday, 23 August
Clear. High 85°, low 64°.
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 Grand Rapids, OH 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 Grand Rapids, OH 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.