South Haven, Indiana 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 4Showers79%0.29″83°69°—
- SundayJul 5Foggy11%—78°66°-5°
- MondayJul 6Overcast——77°65°-1°
- TuesdayJul 7Overcast——77°62°0°
- WednesdayJul 8Clear——82°62°+5°
- ThursdayJul 9T-storm w/ Hail51%0.08″83°67°+1°
- FridayJul 10Overcast47%—76°64°-7°
AQI 38 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.95 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 2.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 39
- UV peak
- 2.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.95 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:45 PM
- Moonset
- 9:52 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
South Haven at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — South Haven
- Sat83°69°79%
- Sun78°66°11%
- Mon77°65°6%
- Tue77°62°2%
- Wed82°62°4%
- Thu83°67°51%
- Fri76°64°47%
- Sat84°62°13%
- Sun70°62°11%
- Mon69°63°11%
- Tue74°62°12%
- Wed81°62°18%
- Thu84°65°26%
- Fri79°69°26%
- Sat84°69°19%
- Sun85°69°35%
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 has placed South Haven in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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
- 46385