Lancaster, Kentucky Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lancaster weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast10%—87°68°—
- SundayJul 5Rain42%0.20″89°70°+2°
- MondayJul 6Overcast41%—82°69°-7°
- TuesdayJul 7Light Drizzle19%—79°65°-3°
- WednesdayJul 8Overcast16%—83°63°+4°
- ThursdayJul 9Overcast36%—86°64°+3°
- FridayJul 10Light Drizzle56%—86°71°0°
AQI 31 (Good), driven by Ozone. AQI down 8 over the last 6 hours (gradual decline). Ozone at AQI 46 now. With UV 8.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 52 around 1 PM.
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 now. With UV 8.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 52 around 1 PM.
- Present
- AQI 46
- UV peak
- 8.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 52
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
- 11:29 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lancaster at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 40444
16-Day Forecast — Lancaster
- Sat87°68°10%
- Sun89°70°42%
- Mon82°69°41%
- Tue79°65°19%
- Wed83°63°16%
- Thu86°64°36%
- Fri86°71°56%
- Sat82°69°42%
- Sun79°60°25%
- Mon77°54°13%
- Tue80°55°15%
- Wed84°58°16%
- Thu84°65°26%
- Fri84°68°26%
- Sat78°68°29%
- Sun78°68°61%
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 — Lancaster
SPC has placed Lancaster 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 Lancaster
- 40444