Louisa, Kentucky Weather
Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →
Louisa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——82°54°—
- WednesdayJun 17Light Drizzle10%0.02″89°60°+7°
- ThursdayJun 18T-storm w/ Hail70%—81°70°-8°
- FridayJun 19Heavy Showers65%0.59″82°62°+1°
- SaturdayJun 20Overcast——79°53°-3°
- SundayJun 21Showers32%0.50″88°56°+9°
- MondayJun 22Overcast55%—79°62°-9°
AQI 38 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.94 fine-to-coarse ratio and 1 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 5.9 µg/m³ (AQI 33) with a 0.94 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:20 AM
- Moonset
- 10:09 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Louisa at a glance
- Today vs. normal: 20°F below the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Louisa
- Tue82°54°5%
- Wed89°60°10%
- Thu81°70°70%
- Fri82°62°65%
- Sat79°53°4%
- Sun88°56°32%
- Mon79°62°55%
- Tue83°54°43%
- Wed83°58°26%
- Thu88°63°18%
- Fri95°65°44%
- Sat97°69°32%
- Sun96°69°35%
- Mon97°70°36%
- Tue96°71°48%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Louisa
SPC has placed Louisa in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal 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 Louisa
- 41230