South Haven, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
South Haven weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain80%0.49″77°67°—
- SundayJul 5Overcast19%—79°66°+2°
- MondayJul 6Overcast——80°59°+1°
- TuesdayJul 7Overcast——77°59°-3°
- WednesdayJul 8Light Drizzle14%—82°63°+5°
- ThursdayJul 9Drizzle27%—73°63°-9°
- FridayJul 10Overcast27%—82°60°+9°
AQI 80 (Moderate), driven by Ozone. AQI down 70 over the last 6 hours — air quality is improving sharply. Ozone at AQI 49 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 15 around 1 PM.
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 49 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 49
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 15
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
- 11:43 PM
- Moonset
- 10:48 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
South Haven at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 49090
15-Day Forecast — South Haven
- Sat77°67°80%
- Sun79°66°19%
- Mon80°59°6%
- Tue77°59°3%
- Wed82°63°14%
- Thu73°63°27%
- Fri82°60°27%
- Sat82°62°14%
- Sun73°64°13%
- Mon88°64°10%
- Tue72°66°11%
- Wed76°60°22%
- Thu81°60°33%
- Fri79°66°42%
- Sat79°59°16%
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 — South Haven
SPC includes South Haven 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 South Haven
- 49090