Charleston, TN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Charleston, TN in one place.
Mostly sunny, with a high near 81. South wind 5 to 10 mph.
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: Apr 15, 2026 8:35 AM EDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Charleston, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 8:35 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Charleston
Saturday looks like the warmest upcoming period in Charleston at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Today at about 5 to 10 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 8:35 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
Partly cloudy, with a low around 60. South wind 5 to 10 mph.
Sunny, with a high near 81. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunny, with a high near 84. Southwest wind around 5 mph.
Partly cloudy, with a low around 62. South wind around 5 mph.
Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
A chance of rain showers before 2pm. Partly sunny, with a high near 63. Chance of precipitation is 50%.
Mostly clear, with a low around 41.
Sunny, with a high near 66.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 15
|
Mostly Sunny
|
81°F |
5 to 10 mph
S
|
|
Tonight
Apr 15
|
Partly Cloudy
|
60°F |
5 to 10 mph
S
|
|
Thursday
Apr 16
|
Sunny
|
81°F |
5 to 10 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
SW
|
|
Friday
Apr 17
|
Sunny
|
84°F |
5 mph
SW
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
62°F |
5 mph
S
|
|
Saturday
Apr 18
|
Mostly Sunny
|
85°F |
5 to 10 mph
S
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms
|
49°F |
5 to 10 mph
W
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
63°F |
10 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
41°F |
5 to 10 mph
N
|
|
Monday
Apr 20
|
Sunny
|
66°F |
5 mph
N
|
|
Monday Night
Apr 20
|
Mostly Clear
|
42°F |
0 to 5 mph
E
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
72°F |
5 mph
S
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
49°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charleston.