Washington County, TN Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 11am, then showers and thunderstorms likely between 11am and 2pm, then showers and thunderstorms likely between 2pm and 3pm, then showers and thunderstorms. Partly sunny. High near 79, with temperatures falling to around 76 in the afternoon. Southwest wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Washington County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Washington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 26 to Jun 1, 2026
- Latest sync
- May 25, 2026 11:14 PM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Friday looks like the warmest upcoming period in Washington County at 80 degrees F.
Sunday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 5 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- May 25, 2026 11:14 PM 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
Showers and thunderstorms before 9pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 78. Southwest wind 0 to 5 mph. Chance of precipitation is 100%.
Showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 0 to 5 mph. Chance of precipitation is 100%.
Rain showers likely before 11am, then showers and thunderstorms likely between 11am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Northwest wind around 5 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. Northeast wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Showers And Thunderstorms Likely
|
79°F |
0 to 5 mph
SW
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
S
|
|
Wednesday
May 27
|
Showers And Thunderstorms
|
78°F |
0 to 5 mph
SW
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms
|
63°F |
0 to 5 mph
SW
|
|
Thursday
May 28
|
Showers And Thunderstorms Likely
|
78°F |
5 mph
NW
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms then Partly Cloudy
|
59°F |
0 to 5 mph
NE
|
|
Friday
May 29
|
Partly Sunny then Chance Showers And Thunderstorms
|
80°F |
0 to 5 mph
S
|
|
Friday Night
May 29
|
Chance Showers And Thunderstorms
|
58°F |
0 to 5 mph
S
|
|
Saturday
May 30
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
75°F |
0 to 5 mph
NE
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
56°F |
0 to 5 mph
E
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
74°F |
0 to 5 mph
NE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
53°F |
0 to 5 mph
E
|
|
Monday
Jun 1
|
Slight Chance Showers And Thunderstorms
|
74°F |
0 to 5 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Washington County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Washington County.
Largest mapped city population in this region: 66,906.
