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Lexington, KY 40514 Weather
Current conditions
Observed at Lexington Blue Grass Airport · 18 min ago
Forecast
10-day-
Tonight
Clear, with a low around 43. Northeast wind around 5 mph.
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Wednesday
Sunny, with a high near 70. Northeast wind 1 to 7 mph.
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Wednesday Night
Patchy fog after 2am. Clear, with a low around 44. North wind 1 to 6 mph.
National Weather Service forecast updated 2 hrs ago.
Hourly
Hourly forecast- Now48°
- 1 AM47°
- 2 AM46°
- 3 AM45°
- 4 AM44°
- 5 AM44°
- 6 AM43°
- 7 AM43°
- 8 AM43°
- 9 AM46°
- 10 AM54°
- 11 AM59°
- 12 PM63°
- 1 PM66°
- 2 PM68°
- 3 PM69°
- 4 PM70°
- 5 PM70°
- 6 PM68°
- 7 PM65°
- 8 PM60°
- 9 PM55°
- 10 PM53°
- 11 PM51°
10-day forecast
Details- TonightOct 20Clear43°
- TodayOct 21Sunny44°70°
- ThuOct 22Sunny43°71°
- FriOct 23Sunny43°68°
- SatOct 24Sunny45°71°
- SunOct 25Sunny47°73°
- MonOct 26Mostly Sunny49°73°
- TueOct 27Mostly Sunny67°
- WedOct 28Partly cloudy50°65°
- ThuOct 29Cloudy43°58°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Lexington
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- WedGood
Lexington, KY reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyLexington Area, records since 1872. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Lexington-Fayette 13 km
- Richmond 36 km
- Georgetown 25 km
- Nicholasville 11 km
- Frankfort 35 km
- Winchester 35 km
- Danville 41 km
- Berea 52 km
- Lawrenceburg 29 km
- Paris 38 km
- Versailles 15 km
- Harrodsburg 34 km
Forecasters' discussion
From the National Weather Service office in LMK, issued 5 hrs ago
Key Messages
* Highs in the low 70s with lows in the 40s and isolated 30s will continue through the weekend.
* Patchy dense valley fog is expected to form again tonight and into the morning hours, slowly becoming patchier and isolated heading towards and west of I-65.
* Stubborn ridging promotes a prolonged dry period with pleasant afternoons through at least early next week.
Discussion
Issued at 225 PM EDT Tue Oct 20 2026
====== Dense River Valley Fog & Warm Afternoons =====
There is a mid to upper level low swinging through southern KY and can see the swirl on water vapor imagery. This is just bringing passing high level clouds in our SE. Light northeasterly flow is keeping temperatures mild in the upper 60s to low 70s across the area. Arguably, the most exciting thing to monitor would be dew points today and for the following days. This will determine how dry and comfortable each afternoon will feel, along with the chances of fog formation each morning as well. Relative humidity values are generally bottoming out in the low and mid 30s but will recover to near 100% overnight and into tomorrow morning.
Low temperatures tonight will reach the low to mid 40s and mid to upper 30s in our deepest, decoupled river valleys. Just as this morning, dense fog will likely form in river valleys in the east, becoming more patchy dense fog in valleys west of I-65. As we saw this morning, fog will dissipate by late morning, with the latest being near 10-11 AM EDT in eastern areas. Then by Wednesday afternoon, the locked in ridge pattern overhead will lock in sunny skies and generally light N-NE flow. As long as the deep low off the east coast and troughing over the western US continues, our pattern will remain the same.
We'll have to monitor the dew points tomorrow as well as this will alter fog chances for Thursday morning. Fog may become more prevalent by then, but this will be fine tuned between now and tomorrow night.
===== Stubborn Ridging and Next Potential Rain Chance =====
Aviation
Issued at 723 PM EDT Tue Oct 20 2026
VFR conditions are expected to continue through this TAF period. Light winds out of the northeast will continue before backing to the north Wednesday afternoon. Skies will remain clear through Wednesday. Fog will be possible in river valleys and patchy over southern Indiana.
Lmk Watches
KY...None. IN...None.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.