Charleston, TN Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Charleston, TN in one place.
Mostly clear, with a low around 70. Southwest wind around 0 mph. 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 19, 2026 3:44 AM EDT.
The active forecast window currently covers Jul 19 to Jul 25, 2026 for Charleston, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 25, 2026
- Latest sync
- Jul 19, 2026 3:44 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Charleston
Monday looks like the warmest upcoming period in Charleston at 85 degrees F.
Thursday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 0 to 5 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 19, 2026 3:44 AM 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 slight chance of rain showers between 7am and 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 84. West wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Northwest wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Southwest wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. South wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind around 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Partly cloudy, with a low around 65.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 19
|
Mostly Clear
|
70°F |
0 mph
|
|
Sunday
Jul 19
|
Showers And Thunderstorms Likely
|
84°F |
0 mph
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
70°F |
0 mph
|
|
Monday
Jul 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
0 to 5 mph
S
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
85°F |
5 mph
S
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
72°F |
5 mph
S
|
|
Wednesday
Jul 22
|
Showers And Thunderstorms Likely
|
83°F |
5 mph
W
|
|
Wednesday Night
Jul 22
|
Showers And Thunderstorms Likely
|
66°F |
5 mph
N
|
|
Thursday
Jul 23
|
Slight Chance Rain Showers then Mostly Sunny
|
80°F |
5 mph
N
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
65°F |
0 to 5 mph
NE
|
|
Friday
Jul 24
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
0 mph
|
|
Friday Night
Jul 24
|
Slight Chance Showers And Thunderstorms
|
68°F |
0 mph
|
|
Saturday
Jul 25
|
Chance Showers And Thunderstorms
|
83°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charleston.