Jeff, Kentucky Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Jeff weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast34%—90°72°—
- SundayJul 5Light Showers25%0.06″94°71°+4°
- MondayJul 6Overcast48%—91°70°-3°
- TuesdayJul 7Drizzle26%—80°65°-11°
- WednesdayJul 8Overcast15%—86°63°+6°
- ThursdayJul 9Overcast44%—91°63°+5°
- FridayJul 10Light Drizzle60%0.01″94°68°+3°
AQI 44 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~96%) — 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 40. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 9.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 5.6 µg/m³ (AQI 31) with a 0.87 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- 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
- 11:23 PM
- Moonset
- 10:40 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Jeff at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 41751
16-Day Forecast — Jeff
- Sat90°72°34%
- Sun94°71°25%
- Mon91°70°48%
- Tue80°65°26%
- Wed86°63°15%
- Thu91°63°44%
- Fri94°68°60%
- Sat85°67°54%
- Sun72°58°38%
- Mon80°55°16%
- Tue83°55°20%
- Wed90°59°23%
- Thu85°65°27%
- Fri83°66°32%
- Sat87°67°41%
- Sun88°65°53%
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 — Jeff
SPC has placed Jeff in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- 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 Jeff
- 41751
- 41774