Jeffersontown, Kentucky Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Jeffersontown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle12%0.01″89°72°—
- MondayJul 6Drizzle26%0.04″84°73°-5°
- TuesdayJul 7Thunderstorm36%—83°71°-1°
- WednesdayJul 8Drizzle19%—86°69°+3°
- ThursdayJul 9Drizzle38%—92°71°+6°
- FridayJul 10Thunderstorm67%0.31″83°69°-9°
- SaturdayJul 11Light Drizzle52%—80°71°-3°
AQI 49 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 68
- UV peak
- 7.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 68
PM × Wind × Precip
PM2.5 at 9.7 µg/m³, PM10 at 11.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.84
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:58 PM
- Moonset
- 11:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Jeffersontown at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Jeffersontown
- Sun89°72°12%
- Mon84°73°26%
- Tue83°71°36%
- Wed86°69°19%
- Thu92°71°38%
- Fri83°69°67%
- Sat80°71°52%
- Sun81°68°21%
- Mon83°67°10%
- Tue77°56°6%
- Wed81°59°11%
- Thu85°64°30%
- Fri88°65°29%
- Sat89°67°48%
- Sun88°67°39%
- Mon88°66°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 — Jeffersontown
SPC includes Jeffersontown in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Jeffersontown
- 40299
- 40220
- 40223
- 40224