Mount Vernon, Kentucky Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Mount Vernon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——71°56°—
- TuesdayJun 16Overcast——76°57°+5°
- WednesdayJun 17Overcast18%—85°60°+9°
- ThursdayJun 18T-storm w/ Hvy Hail78%—78°68°-7°
- FridayJun 19Showers77%0.17″73°60°-5°
- SaturdayJun 20Overcast——74°55°+1°
- SundayJun 21Overcast31%—85°54°+11°
AQI 33 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 42 — peak already passed at 1 PM under partly cloudy 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 42 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 42
- UV peak
- 4.7 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 42
PM × Wind × Precip
PM2.5 at 5.5 µg/m³, PM10 at 6.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 9:12 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Mount Vernon at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: March 31 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Mount Vernon
- Mon72°56°2%
- Tue76°57°8%
- Wed85°60°18%
- Thu78°68°78%
- Fri73°60°77%
- Sat74°55°4%
- Sun85°54°31%
- Mon78°67°55%
- Tue81°69°48%
- Wed77°67°21%
- Thu74°66°15%
- Fri79°63°43%
- Sat81°58°41%
- Sun89°64°33%
- Mon82°68°48%
- Tue76°67°52%
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 — Mount Vernon
SPC has placed Mount Vernon in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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 Mount Vernon
- 40456
- 40473