Harlan, Kentucky Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Harlan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle39%0.03″88°68°—
- SundayJul 5Drizzle24%0.03″90°71°+2°
- MondayJul 6Drizzle64%—90°69°0°
- TuesdayJul 7Drizzle25%—82°66°-8°
- WednesdayJul 8Overcast10%—86°64°+4°
- ThursdayJul 9Overcast22%—91°64°+5°
- FridayJul 10Thunderstorm61%0.28″93°67°+2°
AQI 42 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 46 — peak already passed at 1 PM under overcast 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 46 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 3.2 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 8.0 µg/m³ (AQI 44) 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
- 10:41 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Harlan at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 40831
16-Day Forecast — Harlan
- Sat88°68°39%
- Sun90°71°24%
- Mon90°69°64%
- Tue82°66°25%
- Wed86°64°10%
- Thu91°64°22%
- Fri93°67°61%
- Sat83°67°61%
- Sun75°60°38%
- Mon79°57°21%
- Tue83°57°15%
- Wed87°62°19%
- Thu84°65°46%
- Fri85°67°56%
- Sat82°68°55%
- Sun83°66°58%
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 — Harlan
SPC has placed Harlan in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- 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 Harlan
- 40831