Lexington, Kentucky Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Lexington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Light Drizzle22%0.02″75°67°—
- MondayAug 3Drizzle—0.07″82°65°+7°
- TuesdayAug 4Light Drizzle——87°63°+5°
- WednesdayAug 5Light Showers39%—85°67°-2°
- ThursdayAug 6Thunderstorm15%—90°69°+5°
- FridayAug 7Overcast41%—90°70°0°
- SaturdayAug 8Drizzle32%—91°72°+1°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.8 µg/m³, PM10 at 9.9 µg/m³ — typical background levels with no transport signature.
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 30. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 3.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 9.8 µg/m³, PM10 at 9.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.99
- Wind
- light
- Recent rain
- 1h 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).








































Red sky at night, sailor's delight.
- Moonrise
- 10:20 PM
- Moonset
- 10:42 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Lexington at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 40502, 40503, 40504, 40505, 40507, 40508, 40509, 40510 +8 more
16-Day Forecast — Lexington
- Sun75°67°22%
- Mon82°65°5%
- Tue87°63°5%
- Wed85°67°39%
- Thu90°69°15%
- Fri90°70°41%
- Sat91°72°32%
- Sun93°71°18%
- Mon94°71°17%
- Tue91°71°24%
- Wed93°69°24%
- Thu93°72°28%
- Fri93°73°29%
- Sat94°74°29%
- Sun93°71°30%
- Mon93°70°30%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Lexington
Right now in the garden
Peak growing season
As of August 2, 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 — Lexington
SPC includes Lexington 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.
Sun & seasons in Lexington
Lexington sits in Fayette County, where the year’s longest day runs 14h 48m of daylight and its shortest just 9h 31m — a swing of +5h 17m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Louisville, the state’s largest city, lies about 65 miles to the W. The nearest town Lexington tracks is Louisville, roughly 65 miles to the W.
Air quality in Lexington’s county has trended cleaner since 2020; its cleanest year on record was 2025 (median AQI 40). See the full air-quality history for Lexington.
Microseason · August 1–5
Dusk arrives one minute earlier each night
Sunset slides back toward 8 PM; darkness creeps in, signaling summer's decline though heat persists.
Day 214 of 365 · Wedge 43 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Lexington's warmest month is July (~77°F mean) and its coldest is January (~34°F). Rainfall peaks in May (5.4 inches) and bottoms out in November (3.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 34° | 3.4″ | 7 |
| February | 38° | 3.6″ | 7 |
| March | 46° | 4.5″ | 8 |
| April | 56° | 4.4″ | 8 |
| May | 65° | 5.4″ | 9 |
| June | 73° | 5.0″ | 8 |
| July | 77° | 5.1″ | 8 |
| August | 76° | 3.7″ | 7 |
| September | 69° | 3.4″ | 5 |
| October | 58° | 3.7″ | 6 |
| November | 46° | 3.4″ | 6 |
| December | 38° | 4.2″ | 8 |
Regional context
Lexington swings from 34°F in January to 77°F in July (43°F) per NOAA NCEI 1991-2020 normals; precipitation in Lexington runs about 49.8 inches on roughly 84 measurable days.
Rainfall in Lexington stays even across the calendar: May tops out at 5.4 inches over 8.6 rainy days, and November still logs 3.4 inches across 6.1 — a narrow range for Lexington. That lines Lexington up with places like Nicholasville, KY, Keene, KY and Georgetown, KY, fed by overlapping storm tracks.
Around mid-April, Lexington sheds its freezing nights — peas, lettuce, spinach, and radishes go into Lexington's beds. Lexington's heat-lovers — tomatoes, peppers, squash — hold off until Lexington's frost risk clears, 10-14 days on. The season ends by mid-November in Lexington, once hard frosts set back in. A creek-bottom lot in Lexington can lag Lexington's last frost 7-10 days behind a south slope.
Similar climates: Nicholasville, KY, Keene, KY, Georgetown, KY, Midway, KY, Versailles, KY.
Naturalist notes
Late April brings the distinctive calls of wood thrushes returning to Lexington's woodlands as trees leaf out.
Redbud trees bloom in early April, their purple-pink flowers appearing before the leaves unfold.
Frequently asked
- When does it freeze in Lexington?
- In Lexington, expect the last spring frost near mid-April; Lexington's first autumn frost comes around mid-November.
- What is the rainy season in Lexington?
- May is the wettest month in Lexington, about 5.4 inches on average; the year totals roughly 50 inches.
- What is the warmest month in Lexington?
- July is Lexington's warmest month, averaging about 77°F.
- What is the coldest month in Lexington?
- Lexington bottoms out in January, with a mean near 34°F.
- When can I start a vegetable garden in Lexington?
- Lexington's last frost (mid-April) cues hardy greens; in Lexington, hold heat-lovers two weeks past.
- How many rainy days does Lexington get?
- Lexington records around 84 days of measurable precipitation annually.
- What hardiness zone is Lexington?
- Lexington's hardiness zone tracks its winter low; with January near 34°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Lexington?
- Lexington's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Lexington?
- See this week's day-by-day rain chances for Lexington in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Lexington?
- Current conditions for Lexington and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Lexington forecast updated?
- The Lexington forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Lexington?
- Today's sunrise and sunset times for Lexington are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Lexington?
- The next few days in Lexington's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Lexington's humid subtropical climate in Kentucky pairs 34°F Januarys with 77°F Julys, 43°F apart across the seasons.
In a typical year Lexington records about 50 inches of precipitation on around 84 days.
At 38.0°N, Lexington's 43°F summer-to-winter swing sets when Lexington's gardens wake and when frost returns.
ZIP codes in Lexington
- 40526
- 40509
- 40504
- 40502
- 40503
- 40508
- 40505
- 40507
- 40517
- 40536
- 40513
- 40511
- 40510
- 40516
- 40515
- 40514
- 40506
- 40512
- 40522
- 40523
- 40524
- 40533
- 40544
- 40546
- 40550
- 40555
- 40574
- 40575
- 40576
- 40577
- 40578
- 40579
- 40580
- 40581
- 40582
- 40583
- 40588
- 40591
- 40598