Pentwater, MI Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Pentwater, MI in one place.
Rain showers. Cloudy. High near 59, with temperatures falling to around 57 in the afternoon. East southeast wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
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: Oct 15, 2026 7:47 PM EDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Pentwater, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 7:47 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Pentwater
Tuesday looks like the warmest upcoming period in Pentwater at 63 degrees F.
Friday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Friday at about 26 to 32 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 7:47 PM EDT
- Coverage
- 7 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
Rain showers before 8pm, then showers and thunderstorms between 8pm and 2am, then rain showers likely and a slight chance of water spouts. Cloudy. Low around 48, with temperatures rising to around 53 overnight. East northeast wind 9 to 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Rain showers and a slight chance of water spouts. Cloudy. High near 55, with temperatures falling to around 51 in the afternoon. North northwest wind 26 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 2am. Mostly cloudy, with a low around 41. North wind 10 to 32 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 55. West northwest wind 9 to 21 mph.
Mostly clear, with a low around 48.
Sunny, with a high near 59.
Mostly clear, with a low around 51.
Mostly sunny, with a high near 60.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 63.
Mostly clear, with a low around 48.
Sunny, with a high near 63.
Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Rain Showers
|
59°F |
12 mph
ESE
|
|
Tonight
Oct 15
|
Showers And Thunderstorms
|
48°F |
9 to 26 mph
ENE
|
|
Friday
Oct 16
|
Rain Showers
|
55°F |
26 to 32 mph
NNW
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
41°F |
10 to 32 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
55°F |
9 to 21 mph
WNW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
48°F |
22 to 25 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
59°F |
28 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
51°F |
16 to 25 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
60°F |
13 to 16 mph
SW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
50°F |
6 to 12 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
63°F |
6 mph
SW
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
48°F |
6 mph
ENE
|
|
Wednesday
Oct 21
|
Sunny
|
63°F |
8 mph
SE
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
52°F |
7 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pentwater.