Henderson, Kentucky Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Henderson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle31%—90°69°—
- SundayJul 5Rain33%0.14″89°69°-1°
- MondayJul 6Light Drizzle15%—81°70°-8°
- TuesdayJul 7Overcast——83°67°+2°
- WednesdayJul 8Light Drizzle10%—86°65°+3°
- ThursdayJul 9Overcast35%—89°71°+3°
- FridayJul 10T-storm w/ Hail52%0.24″89°70°0°
AQI 68 (Moderate), driven by PM2.5. AQI up 17 in the last 6 hours — air quality is degrading. PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.92 fine-to-coarse ratio and 2 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 31 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 5 around 1 PM.
- Present
- AQI 31
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.92 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:06 PM
- Moonset
- 11:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Henderson at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 42420
16-Day Forecast — Henderson
- Sat90°69°31%
- Sun89°69°33%
- Mon81°70°15%
- Tue83°67°5%
- Wed86°65°10%
- Thu89°71°35%
- Fri89°70°52%
- Sat84°70°41%
- Sun78°64°20%
- Mon82°60°10%
- Tue85°63°6%
- Wed87°70°19%
- Thu84°66°29%
- Fri82°68°21%
- Sat90°75°33%
- Sun90°76°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Henderson
SPC has placed Henderson 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 Henderson
- 42420
- 42419