Jefferson City, TN Weather Forecast

Local 7-day forecast

91°
F

Mostly Sunny then Chance Showers And Thunderstorms

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

Friday, July 17, 2026
Wind: 0 mph
Today

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 100. North wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Jefferson City, 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: Jul 17, 2026 9:02 AM EDT.

The active forecast window currently covers Jul 17 to Jul 23, 2026 for Jefferson City, TN.

Page Snapshot

Page focus
city weather
Forecast window
Jul 17 to Jul 23, 2026
Latest sync
Jul 17, 2026 9:02 AM EDT
Forecast office
MRX
Source
NOAA / NWS
Next High
91°F
Today
Next Low
73°F
Tonight
Rain Outlook
10
Periods mentioning precipitation
Windiest
0 to 10 mph
Tuesday

Daily Outlook

Today
Jul 17
Mostly Sunny then Chance Showers And Thunderstorms
91 °F
/ 73°F
Wind 0 mph
Sat
Jul 18
Chance Showers And Thunderstorms
87 °F
/ 72°F
Wind 0 to 5 mph
Sun
Jul 19
Showers And Thunderstorms
86 °F
/ 70°F
Wind 0 to 5 mph
Mon
Jul 20
Mostly Sunny
89 °F
/ 72°F
Wind 0 to 5 mph
Tue
Jul 21
Mostly Sunny then Slight Chance Showers And Thunderstorms
90 °F
/ 73°F
Wind 0 to 10 mph
Wed
Jul 22
Chance Showers And Thunderstorms
87 °F
/ 65°F
Wind 5 to 10 mph
Thu
Jul 23
Mostly Sunny
86 °F
/ 64°F
Wind 0 to 5 mph

This Week in Jefferson City

Today looks like the warmest upcoming period in Jefferson City at 91 degrees F.

Thursday Night is the coolest period ahead with temperatures near 64 degrees F.

The strongest winds are forecast for Tuesday at about 0 to 10 mph SW.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 9:02 AM EDT
Coverage
7 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

Tonight
Jul 17
73°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 73. Heat index values as high as 97. Southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Saturday
Jul 18
87°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of rain showers between 8am and 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. Southwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Saturday Night
Jul 18
72°F
Showers And Thunderstorms
0 to 5 mph SW

Showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind 0 to 5 mph. Chance of precipitation is 80%.

Sunday
Jul 19
86°F
Showers And Thunderstorms
0 to 5 mph W

Rain showers likely before 11am, then showers and thunderstorms. Partly sunny, with a high near 86. West wind 0 to 5 mph. Chance of precipitation is 80%.

Sunday Night
Jul 19
70°F
Showers And Thunderstorms then Partly Cloudy
0 mph

Showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Northwest wind around 0 mph. Chance of precipitation is 80%.

Monday
Jul 20
89°F
Mostly Sunny
0 to 5 mph NW

Mostly sunny, with a high near 89. Northwest wind 0 to 5 mph.

Monday Night
Jul 20
72°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 72.

Tuesday
Jul 21
90°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
0 to 10 mph SW

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.

Tuesday Night
Jul 21
73°F
Chance Showers And Thunderstorms
5 mph SW

A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

Wednesday
Jul 22
87°F
Chance Showers And Thunderstorms
5 to 10 mph W

A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.

Wednesday Night
Jul 22
65°F
Chance Showers And Thunderstorms then Partly Cloudy
0 to 5 mph N

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Thursday
Jul 23
86°F
Mostly Sunny
0 to 5 mph NE

Mostly sunny, with a high near 86.

Thursday Night
Jul 23
64°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 64.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 17
Mostly Sunny then Chance Showers And Thunderstorms
91°F
0 mph
Tonight
Jul 17
Chance Showers And Thunderstorms
73°F
0 to 5 mph
SW
Saturday
Jul 18
Chance Showers And Thunderstorms
87°F
0 to 5 mph
SW
Saturday Night
Jul 18
Showers And Thunderstorms
72°F
0 to 5 mph
SW
Sunday
Jul 19
Showers And Thunderstorms
86°F
0 to 5 mph
W
Sunday Night
Jul 19
Showers And Thunderstorms then Partly Cloudy
70°F
0 mph
Monday
Jul 20
Mostly Sunny
89°F
0 to 5 mph
NW
Monday Night
Jul 20
Partly Cloudy
72°F
0 mph
Tuesday
Jul 21
Mostly Sunny then Slight Chance Showers And Thunderstorms
90°F
0 to 10 mph
SW
Tuesday Night
Jul 21
Chance Showers And Thunderstorms
73°F
5 mph
SW
Wednesday
Jul 22
Chance Showers And Thunderstorms
87°F
5 to 10 mph
W
Wednesday Night
Jul 22
Chance Showers And Thunderstorms then Partly Cloudy
65°F
0 to 5 mph
N
Thursday
Jul 23
Mostly Sunny
86°F
0 to 5 mph
NE
Thursday Night
Jul 23
Partly Cloudy
64°F
0 mph
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.