Pentwater, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Pentwater weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy12%—75°68°—
- SundayJul 5Overcast16%—82°66°+7°
- MondayJul 6Overcast——70°59°-12°
- TuesdayJul 7Overcast——71°60°+1°
- WednesdayJul 8Light Showers16%0.01″73°64°+2°
- ThursdayJul 9Overcast28%—68°62°-5°
- FridayJul 10Overcast28%—69°60°+1°
AQI 46 (Good), driven by Ozone. AQI down 20 over the last 6 hours — air quality is improving sharply. Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:46 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Pentwater at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49449
15-Day Forecast — Pentwater
- Sat74°65°12%
- Sun82°66°16%
- Mon70°59°4%
- Tue71°60°1%
- Wed73°64°16%
- Thu68°62°28%
- Fri69°60°28%
- Sat72°63°15%
- Sun68°64°15%
- Mon72°66°13%
- Tue68°63°14%
- Wed70°63°19%
- Thu72°66°27%
- Fri71°67°27%
- Sat69°59°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Pentwater
SPC includes Pentwater in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Pentwater
- 49449