Jefferson County, KY Weather Forecast
County weather hub
Patchy Fog
Compare major city weather across Jefferson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog between 4am and 5am. Partly cloudy, with a low around 71. Southwest wind around 2 mph.
County Weather Overview
This county weather page brings together forecast coverage for Jefferson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 32 of 32 mapped cities in Jefferson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 9 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 3:23 AM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Wednesday looks like the warmest upcoming period in Jefferson County at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Friday at about 5 to 9 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 3:23 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- LMK
- Radar station
- KLVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 90. Heat index values as high as 101. Southwest wind 2 to 8 mph.
A chance of showers and thunderstorms between 7pm and 10pm, then showers and thunderstorms likely between 10pm and 1am, then a chance of showers and thunderstorms between 1am and 3am, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 87. Southwest wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 71. West wind 2 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Chance of precipitation is 20%.
Sunny, with a high near 90.
Mostly clear, with a low around 71.
Sunny, with a high near 91.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 9
|
Patchy Fog
|
71°F |
2 mph
SW
|
|
Thursday
Jul 9
|
Mostly Sunny
|
90°F |
2 to 8 mph
SW
|
|
Thursday Night
Jul 9
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
72°F |
5 to 8 mph
SW
|
|
Friday
Jul 10
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
87°F |
5 to 9 mph
SW
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms
|
71°F |
2 to 7 mph
W
|
|
Saturday
Jul 11
|
Showers And Thunderstorms
|
86°F |
6 mph
SW
|
|
Saturday Night
Jul 11
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
69°F |
6 mph
N
|
|
Sunday
Jul 12
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
3 to 8 mph
NE
|
|
Sunday Night
Jul 12
|
Chance Showers And Thunderstorms
|
69°F |
3 to 8 mph
NE
|
|
Monday
Jul 13
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
3 to 8 mph
NE
|
|
Monday Night
Jul 13
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
69°F |
1 to 8 mph
NE
|
|
Tuesday
Jul 14
|
Sunny
|
90°F |
1 to 6 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
71°F |
1 to 5 mph
NW
|
|
Wednesday
Jul 15
|
Sunny
|
91°F |
1 to 6 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Jefferson County.
Coverage
Forecast coverage currently spans 32 of 32 mapped cities in Jefferson County.
Largest mapped city population in this region: 760,026.
