Port Sanilac, MI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Sanilac, MI in one place.
Sunny, with a high near 76. North wind around 13 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Port Sanilac, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 3, 2026 12:00 AM EDT.
The active forecast window currently covers Aug 3 to Aug 9, 2026 for Port Sanilac, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 9, 2026
- Latest sync
- Aug 3, 2026 12:00 AM EDT
- Forecast office
- DTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Sanilac
Saturday looks like the warmest upcoming period in Port Sanilac at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Monday at about 13 mph N.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 3, 2026 12:00 AM EDT
- Coverage
- 7 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
Mostly clear. Low around 56, with temperatures rising to around 58 overnight. East wind 2 to 9 mph.
Sunny, with a high near 82. South southwest wind 3 to 8 mph.
Mostly clear, with a low around 62. South wind around 8 mph.
Sunny, with a high near 84.
A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64.
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
A slight chance of rain showers. Mostly sunny, with a high near 82.
A slight chance of rain showers before 2am. Partly cloudy, with a low around 64.
A slight chance of rain showers after 8am. Mostly sunny, with a high near 85.
A slight chance of rain showers. Partly cloudy, with a low around 65.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Sunny
|
76°F |
13 mph
N
|
|
Monday Night
Aug 3
|
Mostly Clear
|
56°F |
2 to 9 mph
E
|
|
Tuesday
Aug 4
|
Sunny
|
82°F |
3 to 8 mph
SSW
|
|
Tuesday Night
Aug 4
|
Mostly Clear
|
62°F |
8 mph
S
|
|
Wednesday
Aug 5
|
Sunny
|
84°F |
8 mph
S
|
|
Wednesday Night
Aug 5
|
Slight Chance Showers And Thunderstorms
|
64°F |
7 mph
SSW
|
|
Thursday
Aug 6
|
Chance Showers And Thunderstorms
|
78°F |
8 mph
WNW
|
|
Thursday Night
Aug 6
|
Chance Showers And Thunderstorms
|
62°F |
6 mph
NNE
|
|
Friday
Aug 7
|
Slight Chance Rain Showers
|
82°F |
5 to 8 mph
E
|
|
Friday Night
Aug 7
|
Slight Chance Rain Showers
|
64°F |
7 mph
SSW
|
|
Saturday
Aug 8
|
Slight Chance Rain Showers
|
85°F |
9 mph
SW
|
|
Saturday Night
Aug 8
|
Slight Chance Rain Showers
|
65°F |
8 mph
SW
|
|
Sunday
Aug 9
|
Chance Showers And Thunderstorms
|
85°F |
8 to 12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Sanilac.