Jeffersonville, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Jeffersonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast19%—94°69°—
- SundayJul 5Heavy Rain24%0.48″85°72°-9°
- MondayJul 6Light Drizzle14%—87°70°+2°
- TuesdayJul 7Overcast15%—84°68°-3°
- WednesdayJul 8Clear20%—87°66°+3°
- ThursdayJul 9Thunderstorm29%—88°71°+1°
- FridayJul 10Thunderstorm29%0.17″84°71°-4°
AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.94 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 3.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 14 around 1 PM.
- Present
- AQI 39
- UV peak
- 3.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.94 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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
- 10:46 PM
- Moonset
- 10:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Jeffersonville at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Jeffersonville
- Sat94°69°19%
- Sun85°72°24%
- Mon87°70°14%
- Tue84°68°15%
- Wed87°66°20%
- Thu88°71°29%
- Fri84°71°29%
- Sat88°72°22%
- Sun76°62°12%
- Mon74°58°5%
- Tue79°61°6%
- Wed82°63°10%
- Thu82°65°16%
- Fri79°71°19%
- Sat86°70°23%
- Sun87°73°17%
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 — Jeffersonville
SPC has placed Jeffersonville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Jeffersonville
- 62842