Ottawa County, MI Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Ottawa County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 75.
County Weather Overview
This county weather page brings together forecast coverage for Ottawa County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Ottawa County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 28 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 5:32 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Ottawa County
Friday looks like the warmest upcoming period in Ottawa County at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Friday at about 6 to 12 mph NNW.
The forecast from Aug 28 through Aug 29 stays mostly dry.
Forecast Details
- Last updated
- Aug 23, 2026 5:32 AM EDT
- Coverage
- 2 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 59.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Aug 28
|
Mostly Sunny
|
75°F |
6 to 12 mph
NNW
|
|
Friday Night
Aug 28
|
Mostly Clear
|
59°F |
6 to 12 mph
NNE
|
|
Saturday
Aug 29
|
Mostly Sunny
|
75°F |
7 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Ottawa County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Ottawa County.
Largest mapped city population in this region: 11,040.
