Grayson County, TX Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Grayson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Grayson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 7 of 7 mapped cities in Grayson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 1, 2026
- Latest sync
- May 26, 2026 4:39 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Grayson County
Saturday looks like the warmest upcoming period in Grayson County at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph NE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 4:39 AM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KFWS
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 before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. 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 80. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Chance Showers And Thunderstorms
|
82°F |
5 mph
SSE
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
68°F |
5 mph
ESE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
80°F |
5 mph
E
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
ENE
|
|
Monday
Jun 1
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
78°F |
5 to 10 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Grayson County.
Coverage
Forecast coverage currently spans 7 of 7 mapped cities in Grayson County.
Largest mapped city population in this region: 45,136.