Washington County, TN Weather Forecast
County weather hub
Showers And Thunderstorms
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms. Partly sunny. High near 80, with temperatures falling to around 77 in the afternoon. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. 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
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 8:13 AM EDT
- Forecast office
- MRX
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Thursday looks like the warmest upcoming period in Washington County at 87 degrees F.
Monday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Today at about 5 to 10 mph W.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 8:13 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
Showers and thunderstorms likely before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph, with gusts as high as 20 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. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind 0 to 5 mph. Chance of precipitation is 90%.
Rain showers likely before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 81. South wind around 0 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 0 to 5 mph. Chance of precipitation is 80%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southeast wind around 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Mostly sunny, with a high near 83.
Partly cloudy, with a low around 65.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 8am. Sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 10
|
Showers And Thunderstorms
|
80°F |
5 to 10 mph
W
|
|
Tonight
Jul 10
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
66°F |
5 to 10 mph
SW
|
|
Saturday
Jul 11
|
Showers And Thunderstorms
|
78°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 11
|
Showers And Thunderstorms
|
65°F |
0 to 5 mph
SW
|
|
Sunday
Jul 12
|
Showers And Thunderstorms
|
81°F |
0 mph
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms
|
65°F |
0 to 5 mph
SE
|
|
Monday
Jul 13
|
Chance Showers And Thunderstorms
|
79°F |
5 mph
SE
|
|
Monday Night
Jul 13
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
62°F |
5 mph
SE
|
|
Tuesday
Jul 14
|
Mostly Sunny
|
83°F |
0 to 5 mph
E
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
65°F |
0 to 5 mph
SE
|
|
Wednesday
Jul 15
|
Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
68°F |
0 mph
|
|
Thursday
Jul 16
|
Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
69°F |
0 to 5 mph
SW
|
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.
