Fort Knox, Kentucky Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Fort Knox weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——89°68°—
- SundayJul 5Light Rain26%0.07″86°73°-3°
- MondayJul 6Light Drizzle41%—80°69°-6°
- TuesdayJul 7Light Drizzle——82°65°+2°
- WednesdayJul 8Overcast——83°63°+1°
- ThursdayJul 9Overcast33%—87°66°+4°
- FridayJul 10Overcast52%—91°74°+4°
AQI 61 (Moderate), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 81 — 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 81 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 81
- UV peak
- 1.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 81
PM × Wind × Precip
PM2.5 at 10.4 µg/m³ (AQI 53) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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
- 11:35 PM
- Moonset
- 10:52 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Fort Knox at a glance
- Today vs. normal: 15°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: 40121
16-Day Forecast — Fort Knox
- Sat89°68°6%
- Sun86°73°26%
- Mon80°69°41%
- Tue82°65°8%
- Wed83°63°7%
- Thu87°66°33%
- Fri91°74°52%
- Sat83°68°42%
- Sun79°61°26%
- Mon78°56°17%
- Tue82°58°9%
- Wed83°59°16%
- Thu85°65°35%
- Fri86°67°35%
- Sat77°68°41%
- Sun76°66°45%
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 — Fort Knox
SPC includes Fort Knox 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 Fort Knox
- 40121
- 40122