Marion County, TN Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Marion County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
County Weather Overview
This county weather page brings together forecast coverage for Marion County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Marion County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 18 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 10:51 AM CDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion County
Today looks like the warmest upcoming period in Marion County at 83 degrees F.
Sunday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Tonight at about 10 to 15 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 10:51 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- 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 between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 9pm, then showers and thunderstorms between 9pm and 5am. Cloudy, with a low around 47. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 64. North wind 10 to 15 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.
Clear, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 69. Northwest wind around 5 mph.
Clear, with a low around 47. North wind 0 to 5 mph.
Sunny, with a high near 75. South wind 0 to 5 mph.
Partly cloudy, with a low around 53.
Sunny, with a high near 79.
Mostly clear, with a low around 55.
Sunny, with a high near 81.
Mostly clear, with a low around 59.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
A chance of rain showers before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 18
|
Mostly Sunny
|
83°F |
5 to 10 mph
SW
|
|
Tonight
Apr 18
|
Showers And Thunderstorms
|
47°F |
10 to 15 mph
NW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
64°F |
10 to 15 mph
N
|
|
Sunday Night
Apr 19
|
Clear
|
45°F |
5 to 10 mph
NW
|
|
Monday
Apr 20
|
Sunny
|
69°F |
5 mph
NW
|
|
Monday Night
Apr 20
|
Clear
|
47°F |
0 to 5 mph
N
|
|
Tuesday
Apr 21
|
Sunny
|
75°F |
0 to 5 mph
S
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
53°F |
5 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
79°F |
0 to 5 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
55°F |
0 to 5 mph
W
|
|
Thursday
Apr 23
|
Sunny
|
81°F |
0 to 5 mph
SW
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
59°F |
5 mph
SW
|
|
Friday
Apr 24
|
Mostly Sunny then Slight Chance Rain Showers
|
80°F |
5 to 10 mph
SW
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
60°F |
5 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Marion County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Marion County.
Largest mapped city population in this region: 3,009.
