St. Leon, Indiana Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
St. Leon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——79°54°—
- ThursdayJun 4Overcast——84°60°+5°
- FridayJun 5Overcast——79°63°-5°
- SaturdayJun 6Light Drizzle44%—80°60°+1°
- SundayJun 7Showers44%0.01″80°67°0°
- MondayJun 8Heavy Drizzle16%—79°67°-1°
- TuesdayJun 9Drizzle17%—71°67°-8°
Ozone at AQI 56. AQI up 51 in the last 6 hours — air quality is degrading. Overcast through the UV peak window (cloud cover ~72%) — 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 56. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
- Present
- AQI 56
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- calm
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:06 AM
- Moonset
- 1:43 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
St. Leon at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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.