Williamson County, TX Weather Forecast
County weather hub
Partly Cloudy
Compare major city weather across Williamson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly cloudy, with a low around 48. North wind around 15 mph, with gusts as high as 35 mph.
County Weather Overview
This county weather page brings together forecast coverage for Williamson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 12 of 12 mapped cities in Williamson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 16 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 12:49 AM CDT
- Forecast office
- EWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Williamson County
Thursday looks like the warmest upcoming period in Williamson County at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Tonight at about 15 mph N.
The forecast from Oct 16 through Oct 23 stays mostly dry.
Forecast Details
- Last updated
- Oct 17, 2026 12:49 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- EWX
- Radar station
- KGRK
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 45. North wind 5 to 10 mph.
Mostly sunny, with a high near 73. Northeast wind around 5 mph.
Partly cloudy, with a low around 48. East wind 0 to 5 mph.
Sunny, with a high near 77. East northeast wind 0 to 5 mph.
Mostly clear, with a low around 54. East southeast wind 0 to 5 mph.
Sunny, with a high near 82. East wind 0 to 5 mph.
Mostly clear, with a low around 58. East southeast wind 0 to 5 mph.
Sunny, with a high near 86.
Mostly clear, with a low around 59.
Sunny, with a high near 88.
Mostly clear, with a low around 60.
Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Oct 16
|
Partly Cloudy
|
48°F |
15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
69°F |
10 to 15 mph
NNE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
45°F |
5 to 10 mph
N
|
|
Sunday
Oct 18
|
Mostly Sunny
|
73°F |
5 mph
NE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
48°F |
0 to 5 mph
E
|
|
Monday
Oct 19
|
Sunny
|
77°F |
0 to 5 mph
ENE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
54°F |
0 to 5 mph
ESE
|
|
Tuesday
Oct 20
|
Sunny
|
82°F |
0 to 5 mph
E
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
58°F |
0 to 5 mph
ESE
|
|
Wednesday
Oct 21
|
Sunny
|
86°F |
0 to 5 mph
E
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
59°F |
0 to 5 mph
ESE
|
|
Thursday
Oct 22
|
Sunny
|
88°F |
0 to 5 mph
SSE
|
|
Thursday Night
Oct 22
|
Mostly Clear
|
60°F |
0 to 5 mph
SSE
|
|
Friday
Oct 23
|
Mostly Sunny
|
88°F |
5 to 10 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Williamson County.
Coverage
Forecast coverage currently spans 12 of 12 mapped cities in Williamson County.
Largest mapped city population in this region: 137,575.
