Kentucky · NWS LMK office

Jeffersontown, KY weather

It is 50°F and clear at Louisville, Bowman Field Airport as of Oct 28, 8:00 AM EDT. Today: Sunny, high near 76°F, 2% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 2:26 AM EDT.

Updated Oct 28, 8:27 AM EDT (snapshot)

Current conditions

Temperature

50°F

Clear

Wind

Calm

Humidity 94% · dew point 48°F

Pressure · visibility

30.28 inHg

Visibility 10 mi

Observed at Louisville, Bowman Field Airport (KLOU), Oct 28, 8:00 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Jeffersontown forecast zone right now.

Around the NWS LMK forecast area

No active alerts in zones served by the LMK office near Jeffersontown.

From the alert snapshot of Oct 28, 2026, 8:14 AM EDT. No alerts are active anywhere in Kentucky.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Jeffersontown (local time)
TimeTempForecastPrecip. chanceWind
Wed 8 AM52°FMostly Sunny1%S 2 mph
Wed 9 AM53°FSunny1%S 2 mph
Wed 10 AM60°FSunny1%S 2 mph
Wed 11 AM65°FSunny1%SW 3 mph
Wed 12 PM70°FSunny2%SW 3 mph
Wed 1 PM73°FSunny2%SW 5 mph
Wed 2 PM75°FSunny2%SW 5 mph
Wed 3 PM75°FSunny2%SW 5 mph
Wed 4 PM76°FSunny2%S 5 mph
Wed 5 PM75°FSunny2%S 5 mph
Wed 6 PM74°FClear2%S 3 mph
Wed 7 PM70°FClear2%S 3 mph
Wed 8 PM64°FClear0%S 3 mph
Wed 9 PM61°FClear0%S 3 mph
Wed 10 PM59°FClear0%S 3 mph
Wed 11 PM58°FClear0%S 3 mph
Thu 12 AM56°FClear0%S 3 mph
Thu 1 AM55°FClear0%S 3 mph
Thu 2 AM54°FClear0%S 3 mph
Thu 3 AM53°FClear0%S 3 mph
Thu 4 AM53°FClear0%S 3 mph
Thu 5 AM52°FClear0%S 3 mph
Thu 6 AM51°FSunny0%S 3 mph
Thu 7 AM50°FSunny1%S 5 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Jeffersontown can differ.

7-day forecast

Today

High 76°F·Low 50°F

Sunny, with a high near 76. South wind around 5 mph.

Tonight: Clear, with a low around 50. South wind around 3 mph.

Thursday

High 78°F·Low 53°F

Sunny, with a high near 78. South wind 3 to 8 mph.

Thursday Night: Mostly clear, with a low around 53. Southwest wind 1 to 6 mph.

Friday

High 78°F·Low 55°F

Sunny, with a high near 78. Northeast wind around 3 mph.

Friday Night: Mostly cloudy, with a low around 55.

Saturday

High 73°F·Low 56°F

Mostly cloudy, with a high near 73.

Saturday Night: A chance of rain showers after 1am. Cloudy, with a low around 56. Chance of precipitation is 30%.

Sunday

High 68°F·Low 56°F

Rain showers likely. Cloudy, with a high near 68. Chance of precipitation is 60%.

Sunday Night: Rain showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

Monday

High 70°F·Low 57°F

A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

Tuesday

High 72°F·Low 55°F

A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 50%.

Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 55.

Nearby cities

Larger cities in the area

Other cities in Jefferson County

See every city we cover in Kentucky, or check all active alerts.

About this forecast

Forecast office
Jeffersontown is served by the National Weather Service LMK forecast office, forecast zone KYZ030, county zone KYC111.
Location used
The Census Bureau's internal point for Jeffersontown (38.2055, -85.5697), in Jefferson County. Population: 29,388 (2024 estimate), number 13 of the 19 Kentucky cities on this site.
Radar
Nearest NWS radar: KLVX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/38.2055,-85.5697 (forecast issued Oct 28, 2:26 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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