Collin County, TX Weather Forecast
County weather hub
Partly Sunny then Slight Chance Showers And Thunderstorms
Compare major city weather across Collin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Collin County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 17 of 17 mapped cities in Collin County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:32 PM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Collin County
Monday looks like the warmest upcoming period in Collin County at 83 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Sunday at about 15 to 20 mph S.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:32 PM CDT
- Coverage
- 6 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 slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
80°F |
5 to 10 mph
SSE
|
|
Friday Night
Apr 10
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
63°F |
5 to 10 mph
SSE
|
|
Saturday
Apr 11
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
5 to 15 mph
SSE
|
|
Saturday Night
Apr 11
|
Chance Showers And Thunderstorms
|
64°F |
10 to 15 mph
SSE
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
79°F |
15 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
66°F |
15 mph
S
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
83°F |
15 to 20 mph
S
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
67°F |
15 mph
S
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
81°F |
15 to 20 mph
S
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
64°F |
10 to 15 mph
S
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
80°F |
10 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
59°F |
5 to 10 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Collin County.
Coverage
Forecast coverage currently spans 17 of 17 mapped cities in Collin County.
Largest mapped city population in this region: 291,296.
