Lancaster, Kentucky Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Lancaster weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——72°57°—
- TuesdayJun 16Overcast——77°56°+5°
- WednesdayJun 17Light Drizzle13%—84°58°+7°
- ThursdayJun 18Light Drizzle81%0.02″79°69°-5°
- FridayJun 19Drizzle81%0.02″76°57°-3°
- SaturdayJun 20Overcast——77°50°+1°
- SundayJun 21Drizzle28%0.04″79°63°+2°
AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.98 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
PM × Wind × Precip
PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:20 AM
- Moonset
- 9:14 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
Lancaster at a glance
- Today vs. normal: 19°F below the seasonal normal for this latitude
- Last frost: April 2 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Lancaster
- Mon72°57°4%
- Tue77°56°8%
- Wed84°58°13%
- Thu79°69°81%
- Fri76°57°81%
- Sat77°50°1%
- Sun79°63°28%
- Mon76°61°53%
- Tue78°64°46%
- Wed81°62°20%
- Thu86°67°11%
- Fri86°68°40%
- Sat90°69°39%
- Sun90°72°42%
- Mon92°72°53%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Lancaster
SPC has placed Lancaster in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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 Lancaster
- 40444