Hamilton County, TN Weather Forecast
County weather hub
Mostly Sunny then Slight Chance Showers And Thunderstorms
Compare major city weather across Hamilton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Hamilton County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 8 of 8 mapped cities in Hamilton County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 26 to Aug 30, 2026
- Latest sync
- Aug 24, 2026 5:33 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Hamilton County
Wednesday looks like the warmest upcoming period in Hamilton County at 91 degrees F.
Friday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 5 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 5:33 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- MRX
- Radar station
- KHTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Northwest wind around 0 mph. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
A slight chance of rain showers between 8am and 2pm, 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 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Mostly sunny, with a high near 91.
Mostly clear, with a low around 68.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 26
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
NW
|
|
Wednesday Night
Aug 26
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
69°F |
0 mph
|
|
Thursday
Aug 27
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms
|
69°F |
0 mph
|
|
Friday
Aug 28
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
N
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
0 mph
|
|
Saturday
Aug 29
|
Mostly Sunny
|
91°F |
0 mph
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
68°F |
0 mph
|
|
Sunday
Aug 30
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
S
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
0 mph
|
Major City Forecasts
Live forecast snapshots for major cities across Hamilton County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Hamilton County.
Largest mapped city population in this region: 184,742.
