Harris County, TX Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Harris County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 105. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Harris County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 25 of 26 mapped cities in Harris County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 4:26 PM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Harris County
Friday looks like the warmest upcoming period in Harris County at 94 degrees F.
Monday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph S.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 4:26 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
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. Partly cloudy, with a low around 80. Heat index values as high as 101. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then showers and thunderstorms likely. Partly sunny. High near 94, with temperatures falling to around 90 in the afternoon. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.
A slight chance of rain showers between 7am and 10am, then showers and thunderstorms likely. Partly sunny, with a high near 94. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 80%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 80%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
S
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
80°F |
5 to 10 mph
SE
|
|
Saturday
Jul 11
|
Showers And Thunderstorms Likely
|
94°F |
5 to 10 mph
SE
|
|
Saturday Night
Jul 11
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
80°F |
5 to 10 mph
SE
|
|
Sunday
Jul 12
|
Showers And Thunderstorms Likely
|
94°F |
5 mph
S
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely
|
78°F |
5 mph
S
|
|
Monday
Jul 13
|
Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
SW
|
|
Monday Night
Jul 13
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
76°F |
0 to 5 mph
SE
|
|
Tuesday
Jul 14
|
Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
E
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms
|
76°F |
0 to 5 mph
S
|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
S
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Partly Cloudy
|
76°F |
0 to 5 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Harris County.
Coverage
Forecast coverage currently spans 25 of 26 mapped cities in Harris County.
Largest mapped city population in this region: 2,316,120.
