Pentwater, MI Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Pentwater, MI in one place.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 73. South wind 5 to 8 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Pentwater, 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 10, 2026 1:59 AM EDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Pentwater, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 1:59 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Pentwater
Tuesday looks like the warmest upcoming period in Pentwater at 73 degrees F.
Thursday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Thursday at about 7 to 15 mph N.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 1:59 AM EDT
- Coverage
- 6 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
A slight chance of rain showers before 5am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. East southeast wind 3 to 8 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 72.
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 69.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 59.
A slight chance of rain showers before 2pm. Mostly sunny, with a high near 70.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 61.
A chance of rain showers. Partly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Partly Sunny then Slight Chance Rain Showers
|
73°F |
5 to 8 mph
S
|
|
Tuesday Night
Aug 11
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
64°F |
3 to 8 mph
ESE
|
|
Wednesday
Aug 12
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
72°F |
5 to 12 mph
N
|
|
Wednesday Night
Aug 12
|
Partly Cloudy
|
62°F |
6 to 12 mph
N
|
|
Thursday
Aug 13
|
Mostly Sunny
|
69°F |
7 to 15 mph
N
|
|
Thursday Night
Aug 13
|
Partly Cloudy
|
58°F |
6 to 14 mph
NNE
|
|
Friday
Aug 14
|
Mostly Sunny
|
69°F |
6 to 15 mph
NNE
|
|
Friday Night
Aug 14
|
Partly Cloudy then Slight Chance Rain Showers
|
59°F |
7 to 15 mph
NE
|
|
Saturday
Aug 15
|
Slight Chance Rain Showers
|
70°F |
7 to 12 mph
SSE
|
|
Saturday Night
Aug 15
|
Chance Rain Showers
|
61°F |
6 to 12 mph
SSE
|
|
Sunday
Aug 16
|
Chance Rain Showers
|
69°F |
7 to 12 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pentwater.