Weather StoryAlmanac, microseasons, and the day's weather story.

Louisa, Kentucky Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Louisa weather forecast — hour by hour, 7-day outlook, NOAA radar

Louisa, KY
Sunday, July 5 at 12:44 AM
76
°
Clear
Feels like
82°
Humidity
77%
Wind
4 mph
Sunrise
2:13 AM
Sunset
4:56 PM
Louisa, KY
Hour by hour · 24h
24-Hour ForecastLouisa, KY: 24-hour forecast. Temperatures range from 72 to 91 degrees Fahrenheit with a 23% chance of precipitation at 12 AM.
L 72°H 91°
Louisa, KY
7-day forecast
  1. Today
    Jul 5
    Overcast
    23%
    91°72°
  2. Monday
    Jul 6
    Heavy Drizzle
    61%
    89°70°-2°
  3. Tuesday
    Jul 7
    Light Drizzle
    42%
    0.01″
    83°68°-6°
  4. Wednesday
    Jul 8
    Overcast
    18%
    90°64°+7°
  5. Thursday
    Jul 9
    Overcast
    25%
    90°65°
  6. Friday
    Jul 10
    Heavy Drizzle
    60%
    88°71°-2°
  7. Saturday
    Jul 11
    Drizzle
    48%
    79°66°-9°
Louisa, KY
Anemometer · 24h winds · from true
NESW
From · True
ESE
122° · backing 108°
Direction
ESE
122°
Sustained
4
mph
Gust
10
mph
Peak 24h
17
avg 4
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 17 @ 3:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 133SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 108° from the ese.
Louisa, KY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
989.0
+1.1 mb in 3h · rising · 29.21 inHg
Now
989.0
mb
3h
+1.1
mb
12h
-3.3
mb
24h
-2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 988993
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW993.1987.7989.3
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Louisa, KY
Air quality
46
AQI
Good
-3 in 6h

AQI 46 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.2 µg/m³ (AQI 46) with a 0.92 fine-to-coarse ratio and 4 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.

PM 2.5DRIVERGood
8.2μg/m³
PM 10Good
9μg/m³
NO₂Good
2μg/m³
OzoneModerate
77μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 36 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.

Present
AQI 36
UV peak
3.3 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 11

PM × Wind × Precip

PM2.5 at 8.2 µg/m³ (AQI 46) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.92
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Louisa, KY
Sky cover · visibility · 24h
Cloud cover
1%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
39.8mi
UNLIMITED
76 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
04:44 UTC · Louisa, KY · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
04:44 UTC · Louisa, KY · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Louisa, KY
Satellite · infrared · animated
Louisa, KY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Louisa, KY
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:42 AM
Sunrise
2:13 AM
Daylight
14h 43m
Sunset
4:56 PM
Civil dusk
9:29 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Louisa, KY
The moon
Waning Gibbous
76% illuminated
Moonrise
11:47 PM
Moonset
11:42 AM
In sign
♓︎ Pisces
Louisa, KY
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Louisa at a glance

  • Today vs. normal: 76°F — typical for the season
  • Last frost: April 5 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 41230

16-Day Forecast — Louisa

  1. Sat91°75°21%
  2. Sun91°72°35%
  3. Mon89°70°61%
  4. Tue83°68°42%
  5. Wed90°64°18%
  6. Thu90°65°25%
  7. Fri88°71°60%
  8. Sat79°66°48%
  9. Sun82°62°22%
  10. Mon90°56°14%
  11. Tue90°61°7%
  12. Wed83°62°20%
  13. Thu88°61°32%
  14. Fri88°66°32%
  15. Sat92°69°37%
  16. Sun95°70°43%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, 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 today.

  • TODAYMRGLMarginal Risk
  • 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 Louisa

  • 41230

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.