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Fairfield, Kentucky Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Fairfield, KY
Saturday, July 4 at 6:31 PM
87
°
Clear
Feels like
94°
Humidity
64%
Wind
6 mph
Sunrise
2:24 AM
Sunset
5:07 PM
Fairfield, KY
Hour by hour · 24h
24-Hour ForecastFairfield, KY: 24-hour forecast. Temperatures range from 74 to 87 degrees Fahrenheit with a 29% chance of precipitation at 4 PM.
L 74°H 87°
Fairfield, KY
7-day forecast
  1. Today
    Jul 4
    Mostly Clear
    87°69°
  2. Sunday
    Jul 5
    Heavy Drizzle
    37%
    0.10″
    86°73°-1°
  3. Monday
    Jul 6
    Light Drizzle
    21%
    83°69°-3°
  4. Tuesday
    Jul 7
    Light Drizzle
    15%
    79°65°-4°
  5. Wednesday
    Jul 8
    Overcast
    86°64°+7°
  6. Thursday
    Jul 9
    Overcast
    30%
    88°66°+2°
  7. Friday
    Jul 10
    Light Drizzle
    49%
    90°72°+2°
Fairfield, KY
Anemometer · 24h winds · from true
NESW
From · True
SW
222° · backing 82°
Direction
SW
222°
Sustained
6
mph
Gust
9
mph
Peak 24h
22
avg 5
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 5 · pk 22 @ 11:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 242SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Fairfield, KY
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.9
-1.9 mb in 3h · falling · 29.17 inHg
Now
987.9
mb
3h
-1.9
mb
12h
-3.0
mb
24h
-3.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 988993
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW992.5988.2988.2
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Fairfield, KY
Air quality
48
AQI
Good
+10 in 6h

AQI 48 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 60 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
9.2μg/m³
PM 10Good
11μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
113μg/m³
UV IndexModerate
2.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 60 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 60
UV peak
1.7 at earlier today
Sky at peak
clear
Projected peak
AQI 60

PM × Wind × Precip

PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.87 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.87
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Fairfield, KY
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
57.5mi
UNLIMITED
59 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
22:31 UTC · Fairfield, 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
22:31 UTC · Fairfield, KY · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Fairfield, KY
Satellite · infrared · animated
Fairfield, KY
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Fairfield, KY
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:54 AM
Sunrise
2:24 AM
Daylight
14h 43m
Sunset
5:07 PM
Civil dusk
9:39 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Fairfield, KY
The moon
Waning Gibbous
78% illuminated
Moonrise
11:33 PM
Moonset
10:49 AM
In sign
♓︎ Pisces
Fairfield, KY
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Fairfield at a glance

  • Today vs. normal: 13°F above the seasonal normal for this latitude
  • Last frost: April 4 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 40020

16-Day Forecast — Fairfield

  1. Sat87°69°6%
  2. Sun86°73°37%
  3. Mon83°69°21%
  4. Tue79°65°15%
  5. Wed86°64°8%
  6. Thu88°66°30%
  7. Fri90°72°49%
  8. Sat81°69°49%
  9. Sun78°60°27%
  10. Mon78°56°17%
  11. Tue80°57°10%
  12. Wed85°58°16%
  13. Thu85°64°29%
  14. Fri87°67°31%
  15. Sat74°68°39%
  16. Sun76°66°39%

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 — Fairfield

SPC includes Fairfield in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Fairfield

  • 40013
  • 40020

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.