Loudon, TN Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Loudon, TN in one place.
A slight chance of rain showers before noon, then showers and thunderstorms likely. Mostly sunny, with a high near 89. Heat index values as high as 98. Northwest wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Loudon, 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 17, 2026 9:56 AM EDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Loudon, TN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 9:56 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Loudon
Today looks like the warmest upcoming period in Loudon at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 10 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 9:56 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- MRX
- Radar station
- KMRX
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 11pm. Mostly cloudy, with a low around 73. Southwest wind 0 to 5 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 8am. Mostly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Partly cloudy, with a low around 73. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms. Partly sunny, with a high near 86. West wind 0 to 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. North wind 0 to 5 mph. Chance of precipitation is 80%.
Mostly sunny, with a high near 88. North wind around 0 mph.
Mostly clear, with a low around 73.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67. Chance of precipitation is 30%.
Sunny, with a high near 85.
Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Slight Chance Rain Showers then Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
NW
|
|
Tonight
Jul 17
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
73°F |
0 to 5 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
73°F |
0 to 5 mph
SW
|
|
Sunday
Jul 19
|
Showers And Thunderstorms
|
86°F |
0 to 5 mph
W
|
|
Sunday Night
Jul 19
|
Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
N
|
|
Monday
Jul 20
|
Mostly Sunny
|
88°F |
0 mph
|
|
Monday Night
Jul 20
|
Mostly Clear
|
73°F |
0 mph
|
|
Tuesday
Jul 21
|
Mostly Sunny then Chance Showers And Thunderstorms
|
89°F |
0 to 10 mph
SW
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
73°F |
5 mph
SW
|
|
Wednesday
Jul 22
|
Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms then Mostly Clear
|
67°F |
5 to 10 mph
N
|
|
Thursday
Jul 23
|
Sunny
|
85°F |
5 to 10 mph
NE
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
67°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Loudon.