Harris County, TX Weather Forecast
County weather hub
Sunny
Compare major city weather across Harris County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 101.
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
- Aug 25 to Aug 28, 2026
- Latest sync
- Aug 22, 2026 3:03 AM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Harris County
Tuesday looks like the warmest upcoming period in Harris County at 101 degrees F.
Thursday Night is the coolest period ahead with temperatures near 79 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Aug 22, 2026 3:03 AM CDT
- Coverage
- 4 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
Mostly clear, with a low around 80.
Sunny, with a high near 100.
Mostly clear, with a low around 80.
Sunny, with a high near 99.
Mostly clear, with a low around 79.
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 98.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 25
|
Sunny
|
101°F |
5 to 10 mph
SW
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
80°F |
10 mph
S
|
|
Wednesday
Aug 26
|
Sunny
|
100°F |
5 mph
SW
|
|
Wednesday Night
Aug 26
|
Mostly Clear
|
80°F |
5 to 10 mph
S
|
|
Thursday
Aug 27
|
Sunny
|
99°F |
5 mph
SW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
79°F |
5 to 10 mph
S
|
|
Friday
Aug 28
|
Slight Chance Showers And Thunderstorms
|
98°F |
5 to 10 mph
S
|
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.