Knoxville, TN Weather Forecast

Local 7-day forecast

79°
F

Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Knoxville, TN in one place.

Monday, May 25, 2026
Wind: 0 mph
Memorial Day

Rain showers before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 79. Northwest wind around 0 mph. Chance of precipitation is 90%.

Local 7-day forecast

Local Weather Overview

This forecast page for Knoxville, TN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 4:31 AM EDT.

The active forecast window currently covers May 25 to May 30, 2026 for Knoxville, TN.

Page Snapshot

Page focus
city weather
Forecast window
May 25 to May 30, 2026
Latest sync
May 24, 2026 4:31 AM EDT
Forecast office
MRX
Source
NOAA / NWS
Next High
79°F
Memorial Day
Next Low
65°F
Monday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
0 to 5 mph
Tuesday

Daily Outlook

Today
May 25
Showers And Thunderstorms
79 °F
/ 65°F
Wind 0 mph
Tue
May 26
Showers And Thunderstorms
81 °F
/ 65°F
Wind 0 to 5 mph
Wed
May 27
Showers And Thunderstorms
82 °F
/ 64°F
Wind 0 to 5 mph
Thu
May 28
Showers And Thunderstorms Likely
83 °F
/ 64°F
Wind 0 to 5 mph
Fri
May 29
Showers And Thunderstorms
81 °F
/ 61°F
Wind 0 to 5 mph
Sat
May 30
Rain Showers Likely
78 °F
Wind 0 to 5 mph

This Week in Knoxville

Thursday looks like the warmest upcoming period in Knoxville at 83 degrees F.

Friday Night is the coolest period ahead with temperatures near 61 degrees F.

The strongest winds are forecast for Tuesday at about 0 to 5 mph W.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
May 24, 2026 4:31 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

Monday Night
May 25
65°F
Showers And Thunderstorms
0 mph

Showers and thunderstorms. Cloudy, with a low around 65. Northeast wind around 0 mph. Chance of precipitation is 90%.

Tuesday
May 26
81°F
Showers And Thunderstorms
0 to 5 mph W

Rain showers before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 81. West wind 0 to 5 mph. Chance of precipitation is 100%.

Tuesday Night
May 26
65°F
Showers And Thunderstorms
0 mph

Showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 0 mph. Chance of precipitation is 100%.

Wednesday
May 27
82°F
Showers And Thunderstorms
0 to 5 mph W

A chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 90%.

Wednesday Night
May 27
64°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
0 mph

Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 90%.

Thursday
May 28
83°F
Showers And Thunderstorms Likely
0 to 5 mph NW

A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 70%.

Thursday Night
May 28
64°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
0 to 5 mph NW

Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

Friday
May 29
81°F
Showers And Thunderstorms
0 to 5 mph N

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

Friday Night
May 29
61°F
Showers And Thunderstorms
0 to 5 mph NE

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

Saturday
May 30
78°F
Rain Showers Likely
0 to 5 mph NE

Rain showers likely before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 78.

Detailed Forecast

Period Conditions Temp Wind
Memorial Day
May 25
Showers And Thunderstorms
79°F
0 mph
Monday Night
May 25
Showers And Thunderstorms
65°F
0 mph
Tuesday
May 26
Showers And Thunderstorms
81°F
0 to 5 mph
W
Tuesday Night
May 26
Showers And Thunderstorms
65°F
0 mph
Wednesday
May 27
Showers And Thunderstorms
82°F
0 to 5 mph
W
Wednesday Night
May 27
Showers And Thunderstorms then Chance Showers And Thunderstorms
64°F
0 mph
Thursday
May 28
Showers And Thunderstorms Likely
83°F
0 to 5 mph
NW
Thursday Night
May 28
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
64°F
0 to 5 mph
NW
Friday
May 29
Showers And Thunderstorms
81°F
0 to 5 mph
N
Friday Night
May 29
Showers And Thunderstorms
61°F
0 to 5 mph
NE
Saturday
May 30
Rain Showers Likely
78°F
0 to 5 mph
NE
Knoxville TN skyline
Knoxville TN skyline 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.