Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44° N Lon: 90.26° W Elev: 0 ft.

Partly Cloudy

73°F

23°C

Humidity 69%
Wind Speed N 12 mph
Barometer 30.08 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 10 Jan 3:15 pm CST
Detailed forecast for

Coastal Jefferson

This Afternoon
Mostly cloudy with a 50 percent chance of showers. Highs in the mid 70s. Temperature falling into the upper 60s. Northwest winds 10 to 15 mph.
Tonight
Mostly cloudy and breezy. Much cooler. Less humid with lows in the upper 40s. North winds 15 to 25 mph with gusts up to 35 mph.
Sunday
Mostly sunny and breezy. Much cooler with highs in the upper 50s. North winds 15 to 25 mph with gusts up to 35 mph.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 40. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Monday
Mostly sunny. Highs in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Monday Night
Partly cloudy. Lows in the lower 40s.
Tuesday
Partly sunny. Highs in the upper 50s.
Tuesday Night
Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.
Wednesday
Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s.
Wednesday Night And Thursday
Mostly clear. Lows in the lower 40s. Highs in the lower 50s.
Thursday Night And Friday
Clear. Lows around 40. Highs in the lower 60s.



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1236 PM CST Sat Jan 10 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database