Sumner County, TN Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Sumner County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Sumner County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Sumner County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 3:36 AM CDT
- Forecast office
- OHX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumner County
Thursday looks like the warmest upcoming period in Sumner County at 91 degrees F.
Sunday Night is the coolest period ahead with temperatures near 69 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 10, 2026 3:36 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- OHX
- Radar station
- KOHX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 98. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 9pm, then showers and thunderstorms between 9pm and 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 0 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms between 3pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. West southwest wind around 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely between 7pm and 11pm, then patchy fog and showers and thunderstorms likely between 11pm and 1am, then areas of fog and a chance of showers and thunderstorms between 1am and 3am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 0 to 5 mph. Chance of precipitation is 60%.
A chance of rain showers and patchy fog before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 86. West wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 69. Northeast wind 0 to 5 mph. Chance of precipitation is 60%.
A slight chance of rain showers before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 86. East wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 69. East wind 0 to 5 mph. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Mostly sunny, with a high near 90.
Mostly clear, with a low around 72.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Chance Showers And Thunderstorms
|
72°F |
5 mph
SSW
|
|
Friday
Jul 10
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
88°F |
5 to 10 mph
SW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
71°F |
0 to 10 mph
SW
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
87°F |
5 mph
WSW
|
|
Saturday Night
Jul 11
|
Showers And Thunderstorms Likely then Patchy Fog
|
70°F |
0 to 5 mph
SW
|
|
Sunday
Jul 12
|
Showers And Thunderstorms Likely
|
86°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely
|
69°F |
0 to 5 mph
NE
|
|
Monday
Jul 13
|
Showers And Thunderstorms Likely
|
86°F |
0 to 5 mph
E
|
|
Monday Night
Jul 13
|
Showers And Thunderstorms Likely
|
69°F |
0 to 5 mph
E
|
|
Tuesday
Jul 14
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
SE
|
|
Tuesday Night
Jul 14
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
0 to 5 mph
SE
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
90°F |
0 to 5 mph
SSW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
0 mph
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Sumner County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Sumner County.
Largest mapped city population in this region: 59,323.
