Loudon County, TN Weather Forecast
County weather hub
Sunny
Compare major city weather across Loudon County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 20 mph.
County Weather Overview
This county weather page brings together forecast coverage for Loudon County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Loudon County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 18 to May 23, 2026
- Latest sync
- May 17, 2026 1:14 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Loudon County
Monday looks like the warmest upcoming period in Loudon County at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 17, 2026 1:14 PM EDT
- Coverage
- 6 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
Partly cloudy, with a low around 65. South wind 5 to 10 mph, with gusts as high as 20 mph.
Partly sunny, with a high near 89. South wind 5 to 10 mph.
Mostly cloudy, with a low around 66. South wind 5 to 10 mph.
Showers and thunderstorms likely after 8am. Partly sunny, with a high near 86. Southwest wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
A slight chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
A chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 90%.
Rain showers likely before 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
May 18
|
Sunny
|
89°F |
5 to 15 mph
S
|
|
Monday Night
May 18
|
Partly Cloudy
|
65°F |
5 to 10 mph
S
|
|
Tuesday
May 19
|
Partly Sunny
|
89°F |
5 to 10 mph
S
|
|
Tuesday Night
May 19
|
Mostly Cloudy
|
66°F |
5 to 10 mph
S
|
|
Wednesday
May 20
|
Showers And Thunderstorms Likely
|
86°F |
0 to 5 mph
SW
|
|
Wednesday Night
May 20
|
Showers And Thunderstorms Likely
|
63°F |
0 to 5 mph
S
|
|
Thursday
May 21
|
Showers And Thunderstorms Likely
|
82°F |
0 to 5 mph
NW
|
|
Thursday Night
May 21
|
Showers And Thunderstorms Likely
|
63°F |
0 to 5 mph
NE
|
|
Friday
May 22
|
Showers And Thunderstorms
|
82°F |
0 to 5 mph
SE
|
|
Friday Night
May 22
|
Showers And Thunderstorms
|
63°F |
0 to 5 mph
S
|
|
Saturday
May 23
|
Showers And Thunderstorms
|
82°F |
0 to 5 mph
S
|
|
Saturday Night
May 23
|
Showers And Thunderstorms
|
64°F |
0 to 5 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Loudon County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Loudon County.
Largest mapped city population in this region: 9,324.
