Washington County, MS Weather Forecast

County weather hub

71°
F

Chance 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.

Tuesday, July 14, 2026
Wind: 0 mph
Tonight

A slight chance of rain showers before midnight, then patchy fog and a slight chance of rain showers between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. West southwest wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

County weather hub

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 3 of 3 mapped cities in Washington County.

Page Snapshot

Page focus
county weather
Forecast window
Jul 14 to Jul 21, 2026
Latest sync
Jul 15, 2026 1:20 AM CDT
Forecast office
JAN
Source
NOAA / NWS
Next High
88°F
Wednesday
Next Low
71°F
Tonight
Rain Outlook
3
Periods mentioning precipitation
Windiest
0 to 10 mph
Wednesday

Daily Outlook

Today
Jul 14
Chance Showers And Thunderstorms
71 °F
/ 71°F
Wind 0 mph
Wed
Jul 15
Chance Showers And Thunderstorms
88 °F
/ 71°F
Wind 0 to 10 mph
Thu
Jul 16
Sunny
91 °F
/ 74°F
Wind 5 to 10 mph
Fri
Jul 17
Sunny
94 °F
/ 76°F
Wind 5 mph
Sat
Jul 18
Sunny
95 °F
/ 76°F
Wind 5 to 10 mph
Sun
Jul 19
Sunny
96 °F
/ 77°F
Wind 5 to 10 mph
Mon
Jul 20
Sunny
98 °F
/ 77°F
Wind 5 to 10 mph

This Week in Washington County

Monday looks like the warmest upcoming period in Washington County at 98 degrees F.

Tonight is the coolest period ahead with temperatures near 71 degrees F.

The strongest winds are forecast for Wednesday at about 0 to 10 mph WSW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Jul 15, 2026 1:20 AM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
JAN
Radar station
KDGX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday
Jul 15
88°F
Chance Showers And Thunderstorms
0 to 10 mph WSW

A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. West southwest wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night
Jul 15
71°F
Chance Showers And Thunderstorms then Partly Cloudy
5 mph SW

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Thursday
Jul 16
91°F
Sunny
5 to 10 mph WSW

Sunny, with a high near 91. Heat index values as high as 100. West southwest wind 5 to 10 mph.

Thursday Night
Jul 16
74°F
Mostly Clear
5 mph WSW

Mostly clear, with a low around 74. West southwest wind around 5 mph.

Friday
Jul 17
94°F
Sunny
5 mph WSW

Sunny, with a high near 94. West southwest wind around 5 mph.

Friday Night
Jul 17
76°F
Mostly Clear
5 mph SW

Mostly clear, with a low around 76. Southwest wind around 5 mph.

Saturday
Jul 18
95°F
Sunny
5 to 10 mph W

Sunny, with a high near 95. West wind 5 to 10 mph.

Saturday Night
Jul 18
76°F
Mostly Clear
5 mph SW

Mostly clear, with a low around 76. Southwest wind around 5 mph.

Sunday
Jul 19
96°F
Sunny
5 to 10 mph W

Sunny, with a high near 96.

Sunday Night
Jul 19
77°F
Mostly Clear
5 mph SW

Mostly clear, with a low around 77.

Monday
Jul 20
98°F
Sunny
5 to 10 mph WSW

Sunny, with a high near 98.

Monday Night
Jul 20
77°F
Mostly Clear
5 mph SW

Mostly clear, with a low around 77.

Tuesday
Jul 21
98°F
Sunny
5 to 10 mph WSW

Sunny, with a high near 98.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Jul 14
Chance Showers And Thunderstorms
71°F
0 mph
Wednesday
Jul 15
Chance Showers And Thunderstorms
88°F
0 to 10 mph
WSW
Wednesday Night
Jul 15
Chance Showers And Thunderstorms then Partly Cloudy
71°F
5 mph
SW
Thursday
Jul 16
Sunny
91°F
5 to 10 mph
WSW
Thursday Night
Jul 16
Mostly Clear
74°F
5 mph
WSW
Friday
Jul 17
Sunny
94°F
5 mph
WSW
Friday Night
Jul 17
Mostly Clear
76°F
5 mph
SW
Saturday
Jul 18
Sunny
95°F
5 to 10 mph
W
Saturday Night
Jul 18
Mostly Clear
76°F
5 mph
SW
Sunday
Jul 19
Sunny
96°F
5 to 10 mph
W
Sunday Night
Jul 19
Mostly Clear
77°F
5 mph
SW
Monday
Jul 20
Sunny
98°F
5 to 10 mph
WSW
Monday Night
Jul 20
Mostly Clear
77°F
5 mph
SW
Tuesday
Jul 21
Sunny
98°F
5 to 10 mph
WSW

Coverage

Tracked cities
3
Coverage
100%

Forecast coverage currently spans 3 of 3 mapped cities in Washington County.

Largest mapped city population in this region: 28,315.

First National Bank Greenville
First National Bank Greenville image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.