Knox County, KY Weather Forecast

County weather hub

89°
F

Areas Of Fog then Sunny

Compare major city weather across Knox County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Sunday, May 17, 2026
Wind: 1 to 6 mph SSE
Today

Areas of fog before 8am. Sunny, with a high near 89. South southeast wind 1 to 6 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Knox County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 2 of 2 mapped cities in Knox County.

Page Snapshot

Page focus
county weather
Forecast window
May 17 to May 23, 2026
Latest sync
May 17, 2026 9:37 AM EDT
Forecast office
JKL
Source
NOAA / NWS
Next High
89°F
Today
Next Low
59°F
Tonight
Rain Outlook
9
Periods mentioning precipitation
Windiest
0 to 8 mph
Monday

Daily Outlook

Today
May 17
Areas Of Fog then Sunny
89 °F
/ 59°F
Wind 1 to 6 mph
Mon
May 18
Areas Of Fog then Sunny
90 °F
/ 57°F
Wind 0 to 8 mph
Tue
May 19
Areas Of Fog then Partly Sunny
89 °F
/ 61°F
Wind 0 to 7 mph
Wed
May 20
Areas Of Fog
83 °F
/ 59°F
Wind 0 to 5 mph
Thu
May 21
Showers And Thunderstorms Likely
79 °F
/ 58°F
Wind 5 mph
Fri
May 22
Showers And Thunderstorms
81 °F
/ 60°F
Wind 0 to 3 mph
Sat
May 23
Showers And Thunderstorms
82 °F
/ 61°F
Wind 1 to 5 mph

This Week in Knox County

Monday looks like the warmest upcoming period in Knox County at 90 degrees F.

Monday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Monday at about 0 to 8 mph S.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
May 17, 2026 9:37 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
JKL
Radar station
KMRX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
May 17
59°F
Mostly Clear then Areas Of Fog
0 to 5 mph S

Areas of fog after 4am. Mostly clear. Low around 59, with temperatures rising to around 62 overnight. South wind 0 to 5 mph.

Monday
May 18
90°F
Areas Of Fog then Sunny
0 to 8 mph S

Areas of fog before 9am. Sunny. High near 90, with temperatures falling to around 89 in the afternoon. South wind 0 to 8 mph, with gusts as high as 17 mph.

Monday Night
May 18
57°F
Partly Cloudy then Areas Of Fog
0 to 6 mph S

Areas of fog after 3am. Partly cloudy. Low around 57, with temperatures rising to around 58 overnight. South wind 0 to 6 mph.

Tuesday
May 19
89°F
Areas Of Fog then Partly Sunny
0 to 7 mph S

Areas of fog before 8am. Partly sunny. High near 89, with temperatures falling to around 88 in the afternoon. South wind 0 to 7 mph, with gusts as high as 16 mph.

Tuesday Night
May 19
61°F
Chance Showers And Thunderstorms
0 to 6 mph SSW

A chance of showers and thunderstorms between 8pm and 4am, then patchy fog and a chance of showers and thunderstorms between 4am and 5am, then areas of fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

Wednesday
May 20
83°F
Areas Of Fog
0 to 5 mph SW

Areas of fog and a chance of showers and thunderstorms before 8am, then areas of fog and showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 90%.

Wednesday Night
May 20
59°F
Showers And Thunderstorms
0 to 3 mph N

Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 90%.

Thursday
May 21
79°F
Showers And Thunderstorms Likely
5 mph NE

A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

Thursday Night
May 21
58°F
Showers And Thunderstorms Likely
0 to 5 mph NE

Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Friday
May 22
81°F
Showers And Thunderstorms
0 to 3 mph SSE

Rain showers likely before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 80%.

Friday Night
May 22
60°F
Showers And Thunderstorms
3 mph SE

Showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 80%.

Saturday
May 23
82°F
Showers And Thunderstorms
1 to 5 mph S

Rain showers likely before 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 80%.

Saturday Night
May 23
61°F
Showers And Thunderstorms
0 to 3 mph S

Showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 80%.

Detailed Forecast

Period Conditions Temp Wind
Today
May 17
Areas Of Fog then Sunny
89°F
1 to 6 mph
SSE
Tonight
May 17
Mostly Clear then Areas Of Fog
59°F
0 to 5 mph
S
Monday
May 18
Areas Of Fog then Sunny
90°F
0 to 8 mph
S
Monday Night
May 18
Partly Cloudy then Areas Of Fog
57°F
0 to 6 mph
S
Tuesday
May 19
Areas Of Fog then Partly Sunny
89°F
0 to 7 mph
S
Tuesday Night
May 19
Chance Showers And Thunderstorms
61°F
0 to 6 mph
SSW
Wednesday
May 20
Areas Of Fog
83°F
0 to 5 mph
SW
Wednesday Night
May 20
Showers And Thunderstorms
59°F
0 to 3 mph
N
Thursday
May 21
Showers And Thunderstorms Likely
79°F
5 mph
NE
Thursday Night
May 21
Showers And Thunderstorms Likely
58°F
0 to 5 mph
NE
Friday
May 22
Showers And Thunderstorms
81°F
0 to 3 mph
SSE
Friday Night
May 22
Showers And Thunderstorms
60°F
3 mph
SE
Saturday
May 23
Showers And Thunderstorms
82°F
1 to 5 mph
S
Saturday Night
May 23
Showers And Thunderstorms
61°F
0 to 3 mph
S

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Knox County.

Largest mapped city population in this region: 2,986.

Knox County Kentucky Courthouse
Knox County Kentucky Courthouse image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.