DeKalb County, TN Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across DeKalb County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 85. Northeast wind 0 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for DeKalb County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in DeKalb County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 24 to Aug 26, 2026
- Latest sync
- Aug 20, 2026 10:39 AM CDT
- Forecast office
- OHX
- Source
- NOAA / NWS
Daily Outlook
This Week in DeKalb County
Wednesday looks like the warmest upcoming period in DeKalb County at 89 degrees F.
Monday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph NE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 20, 2026 10:39 AM CDT
- Coverage
- 3 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
Partly cloudy, with a low around 63.
Mostly sunny, with a high near 87.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
85°F |
0 to 5 mph
NE
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
63°F |
0 to 5 mph
NE
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
87°F |
0 to 5 mph
SSW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy then Slight Chance Rain Showers
|
65°F |
0 to 5 mph
SSE
|
|
Wednesday
Aug 26
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SSW
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
SSW
|
Major City Forecasts
Live forecast snapshots for major cities across DeKalb County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in DeKalb County.
Largest mapped city population in this region: 4,978.
