Knox County, TN Weather Forecast

County weather hub

87°

Showers And Thunderstorms Likely

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

Friday, July 10, 2026

Wind: 5 to 10 mph SW

Friday

A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms likely between noon and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny. High near 87, with temperatures falling to around 84 in the afternoon. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

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: Jul 10 to Jul 15, 2026
Latest sync: Jul 9, 2026 11:54 AM EDT
Forecast office: MRX
Source: NOAA / NWS

Next High

87°F

Friday

Next Low

71°F

Friday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 10 mph

Friday

Daily Outlook

Today

Jul 10

Showers And Thunderstorms Likely

87 °F

/ 71°F

Wind 5 to 10 mph

Sat

Jul 11

Showers And Thunderstorms

84 °F

/ 69°F

Wind 5 to 10 mph

Sun

Jul 12

Chance Showers And Thunderstorms

86 °F

/ 69°F

Wind 0 to 5 mph

Mon

Jul 13

Chance Showers And Thunderstorms

86 °F

/ 68°F

Wind 0 to 5 mph

Tue

Jul 14

Mostly Sunny then Slight Chance Showers And Thunderstorms

87 °F

/ 68°F

Wind 0 to 5 mph

Wed

Jul 15

Sunny then Slight Chance Showers And Thunderstorms

89 °F

/ 71°F

Wind 0 mph

This Week in Knox County

Wednesday looks like the warmest upcoming period in Knox County at 89 degrees F.

Monday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Friday at about 5 to 10 mph SW.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated: Jul 9, 2026 11:54 AM EDT
Coverage: 6 days
Time zone: America/New_York
Forecast office: MRX
Radar station: KMRX

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

Open NOAA source

Extended Forecast

Friday Night

Jul 10

71°F

Showers And Thunderstorms

5 to 10 mph SW

Showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.

Saturday

Jul 11

84°F

Showers And Thunderstorms

5 to 10 mph SW

Showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 100%.

Saturday Night

Jul 11

69°F

Showers And Thunderstorms

0 to 5 mph SW

Showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind 0 to 5 mph. Chance of precipitation is 100%.

Sunday

Jul 12

86°F

Chance Showers And Thunderstorms

0 to 5 mph NW

A chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. Northwest wind 0 to 5 mph. Chance of precipitation is 60%.

Sunday Night

Jul 12

69°F

Showers And Thunderstorms Likely then Chance Showers And Thunderstorms

0 to 5 mph NE

Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Monday

Jul 13

86°F

Chance Showers And Thunderstorms

0 to 5 mph NE

A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.

Monday Night

Jul 13

68°F

Chance Showers And Thunderstorms then Partly Cloudy

0 to 5 mph NE

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 50%.

Tuesday

Jul 14

87°F

Mostly Sunny then Slight Chance Showers And Thunderstorms

0 to 5 mph NE

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

Tuesday Night

Jul 14

68°F

Slight Chance Showers And Thunderstorms then Mostly Clear

0 to 5 mph NE

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Chance of precipitation is 20%.

Wednesday

Jul 15

89°F

Sunny then Slight Chance Showers And Thunderstorms

0 mph

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Chance of precipitation is 20%.

Wednesday Night

Jul 15

71°F

Slight Chance Showers And Thunderstorms then Mostly Clear

0 mph

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Friday Jul 10	Showers And Thunderstorms Likely	87°F	5 to 10 mph SW	A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and noon, the...
Friday Night Jul 10	Showers And Thunderstorms	71°F	5 to 10 mph SW	Showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 9...
Saturday Jul 11	Showers And Thunderstorms	84°F	5 to 10 mph SW	Showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 10...
Saturday Night Jul 11	Showers And Thunderstorms	69°F	0 to 5 mph SW	Showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind 0 to 5 mph. Chance of precipitation is 10...
Sunday Jul 12	Chance Showers And Thunderstorms	86°F	0 to 5 mph NW	A chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near...
Sunday Night Jul 12	Showers And Thunderstorms Likely then Chance Showers And Thunderstorms	69°F	0 to 5 mph NE	Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low aroun...
Monday Jul 13	Chance Showers And Thunderstorms	86°F	0 to 5 mph NE	A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of sh...
Monday Night Jul 13	Chance Showers And Thunderstorms then Partly Cloudy	68°F	0 to 5 mph NE	A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 50%.
Tuesday Jul 14	Mostly Sunny then Slight Chance Showers And Thunderstorms	87°F	0 to 5 mph NE	A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20...
Tuesday Night Jul 14	Slight Chance Showers And Thunderstorms then Mostly Clear	68°F	0 to 5 mph NE	A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Chance of precipitation is...
Wednesday Jul 15	Sunny then Slight Chance Showers And Thunderstorms	89°F	0 mph	A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Chance of precipitation is 20%.
Wednesday Night Jul 15	Slight Chance Showers And Thunderstorms then Mostly Clear	71°F	0 mph	A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71.

Major City Forecasts

Live forecast snapshots for major cities across Knox County.

Knoxville

Population 190,223

88°F

Showers And Thunderstorms

Showers And Thunderstorms Likely

Friday

5 to 10 mph

Coverage

Tracked cities

Coverage

100%

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

Largest mapped city population in this region: 190,223.

Region Links

Tennessee weather

Statewide weather overview

United States weather

National weather entry point

Knox County Courthouse Rockland Maine 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.