Charleston, TN Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Charleston, TN in one place.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Northeast wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Charleston, 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 14, 2026 8:52 PM EDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Charleston, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:52 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Charleston
Thursday looks like the warmest upcoming period in Charleston at 85 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Friday at about 0 to 5 mph NW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:52 PM EDT
- Coverage
- 7 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 chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. South wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. West wind around 0 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. West wind around 0 mph. Chance of precipitation is 50%.
Showers and thunderstorms likely after 8am. Mostly sunny, with a high near 85. Northwest wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 70. Northwest wind around 0 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely after 8am. Mostly sunny, with a high near 84. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 70%.
A slight chance of rain showers before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 84. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Mostly Sunny then Chance Showers And Thunderstorms
|
83°F |
0 mph
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
0 mph
|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
85°F |
0 mph
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms
|
70°F |
0 mph
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
85°F |
0 to 5 mph
NW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
70°F |
0 mph
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
NW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
70°F |
0 mph
|
|
Sunday
Jul 19
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 19
|
Showers And Thunderstorms Likely
|
70°F |
0 mph
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
W
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
68°F |
0 to 5 mph
SW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charleston.