Sachse, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sachse, TX in one place.
Mostly sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 106. South southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Sachse, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 17, 2026 12:56 AM CDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Sachse, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 12:56 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Sachse
Saturday looks like the warmest upcoming period in Sachse at 100 degrees F.
Monday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 12:56 AM CDT
- Coverage
- 7 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
Mostly clear. Low around 77, with temperatures rising to around 79 overnight. Heat index values as high as 102. South southeast wind 0 to 5 mph.
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 101. South wind 0 to 5 mph.
Mostly clear. Low around 76, with temperatures rising to around 78 overnight. South wind around 5 mph.
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. South wind 5 to 10 mph, with gusts as high as 20 mph.
Clear, with a low around 76. South wind 5 to 10 mph.
Sunny, with a high near 99. South wind 5 to 10 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 76. South southeast wind around 5 mph. Chance of precipitation is 20%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Mostly Sunny
|
99°F |
0 to 5 mph
SSE
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
77°F |
0 to 5 mph
SSE
|
|
Friday
Sep 18
|
Sunny
|
99°F |
0 to 5 mph
S
|
|
Friday Night
Sep 18
|
Mostly Clear
|
76°F |
5 mph
S
|
|
Saturday
Sep 19
|
Sunny
|
100°F |
5 to 10 mph
S
|
|
Saturday Night
Sep 19
|
Clear
|
76°F |
5 to 10 mph
S
|
|
Sunday
Sep 20
|
Sunny
|
99°F |
5 to 10 mph
S
|
|
Sunday Night
Sep 20
|
Partly Cloudy then Slight Chance Rain Showers
|
76°F |
5 mph
SSE
|
|
Monday
Sep 21
|
Chance Rain Showers
|
95°F |
5 mph
SSW
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
E
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
93°F |
0 to 5 mph
SSE
|
|
Tuesday Night
Sep 22
|
Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
E
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
95°F |
5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sachse.
