Henderson, Kentucky Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Henderson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Mostly Clear——83°54°—
- ThursdayJun 4Overcast——84°60°+1°
- FridayJun 5Overcast——80°62°-4°
- SaturdayJun 6Heavy Drizzle10%—85°64°+5°
- SundayJun 7Light Showers16%—84°69°-1°
- MondayJun 8Drizzle45%0.03″83°69°-1°
- TuesdayJun 9Drizzle33%—82°69°-1°
Ozone at AQI 68 now. AQI up 39 in the last 6 hours — air quality is degrading. With UV 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 by mid-afternoon.
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 68 now. With UV 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 16 by mid-afternoon.
- Present
- AQI 68
- UV peak
- 0.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.91 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:12 AM
- Moonset
- 1:59 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Henderson at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: April 3 (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.