Cullen, LA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cullen, LA in one place.
Mostly sunny, with a high near 103. Heat index values as high as 109. Northwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Cullen, LA 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: Jul 21, 2026 3:48 PM CDT.
The active forecast window currently covers Jul 21 to Jul 27, 2026 for Cullen, LA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 21 to Jul 27, 2026
- Latest sync
- Jul 21, 2026 3:48 PM CDT
- Forecast office
- SHV
- Source
- NOAA / NWS
Daily Outlook
This Week in Cullen
This Afternoon looks like the warmest upcoming period in Cullen at 103 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for This Afternoon at about 0 to 5 mph NW.
The forecast from Jul 21 through Jul 27 stays mostly dry.
Forecast Details
- Last updated
- Jul 21, 2026 3:48 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- SHV
- Radar station
- KSHV
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. Heat index values as high as 108. North wind around 0 mph.
Sunny, with a high near 99. Heat index values as high as 105. Northeast wind around 5 mph.
Clear, with a low around 74. Northeast wind around 5 mph.
Sunny, with a high near 95. Northeast wind around 5 mph.
Mostly clear, with a low around 74.
Mostly sunny, with a high near 96.
Partly cloudy, with a low around 76.
Mostly sunny, with a high near 97.
Partly cloudy, with a low around 77.
Sunny, with a high near 99.
Mostly clear, with a low around 77.
Sunny, with a high near 101.
Mostly clear, with a low around 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 21
|
Mostly Sunny
|
103°F |
0 to 5 mph
NW
|
|
Tonight
Jul 21
|
Mostly Clear
|
80°F |
0 mph
|
|
Wednesday
Jul 22
|
Sunny
|
99°F |
5 mph
NE
|
|
Wednesday Night
Jul 22
|
Clear
|
74°F |
5 mph
NE
|
|
Thursday
Jul 23
|
Sunny
|
95°F |
5 mph
NE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
74°F |
0 to 5 mph
E
|
|
Friday
Jul 24
|
Mostly Sunny
|
96°F |
0 mph
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
76°F |
0 mph
|
|
Saturday
Jul 25
|
Mostly Sunny
|
97°F |
0 to 5 mph
S
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
77°F |
0 mph
|
|
Sunday
Jul 26
|
Sunny
|
99°F |
0 to 5 mph
SW
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
77°F |
0 mph
|
|
Monday
Jul 27
|
Sunny
|
101°F |
0 to 5 mph
SW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
78°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cullen.