Bay County, MI Weather Forecast
County weather hub
Sunny then Slight Chance Light Rain
Compare major city weather across Bay County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain between 1pm and 2pm. Sunny, with a high near 79. West southwest wind 7 to 18 mph, with gusts as high as 28 mph. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Bay County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Bay County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 6:39 AM EDT
- Forecast office
- DTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Bay County
Tuesday looks like the warmest upcoming period in Bay County at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 13 to 25 mph WNW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 6:39 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- DTX
- Radar station
- KDTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 54. Northwest wind 3 to 15 mph, with gusts as high as 24 mph.
Partly sunny, with a high near 65.
Mostly cloudy, with a low around 46.
A chance of rain after 8am. Mostly cloudy, with a high near 63.
Rain likely. Mostly cloudy, with a low around 46.
A chance of rain. Partly sunny, with a high near 58.
A slight chance of rain before 2am. Partly cloudy, with a low around 32.
Sunny, with a high near 52.
Mostly clear, with a low around 33.
Sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny then Slight Chance Light Rain
|
79°F |
7 to 18 mph
WSW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
54°F |
3 to 15 mph
NW
|
|
Wednesday
Oct 14
|
Partly Sunny
|
65°F |
3 to 7 mph
NNW
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
46°F |
7 mph
NNE
|
|
Thursday
Oct 15
|
Chance Light Rain
|
63°F |
5 to 9 mph
ENE
|
|
Thursday Night
Oct 15
|
Light Rain Likely
|
46°F |
6 to 12 mph
NE
|
|
Friday
Oct 16
|
Chance Light Rain
|
58°F |
13 to 25 mph
WNW
|
|
Friday Night
Oct 16
|
Slight Chance Light Rain
|
32°F |
13 to 23 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
52°F |
12 mph
WNW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
33°F |
6 to 10 mph
WSW
|
|
Sunday
Oct 18
|
Sunny
|
60°F |
12 to 21 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Bay County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Bay County.
Largest mapped city population in this region: 32,717.
