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Gretna, LA Weather Forecast

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Gretna, LA Weather Forecast

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Gretna LA weather - Clear - 58°F
Clear
58°F
Updated 5:24 am
Feels Like 54°F
Humidity 80%
Wind NE 7 mph
Barometer  30.24 in
Dew Point 52°F
Gretna LA weather - Clear - 14°C
Clear
14°C
Updated 5:24 am
Feels Like 12°C
Humidity 80%
Wind NE 11 km/h
Barometer  102.4 kPa
Dew Point 11°C
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Gretna Weather Forecast

REST OF TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY FRIDAY SATURDAY SATURDAY NIGHT SUNDAY
Gretna, LA Weather - Rest Of Tonight Mostly Clear Gretna, LA Weather - Monday Sunny Gretna, LA Weather - Monday Night Partly Cloudy Gretna, LA Weather - Tuesday Sunny Gretna, LA Weather - Tuesday Night Mostly Clear Gretna, LA Weather - Wednesday Clear Gretna, LA Weather - Thursday Clear Gretna, LA Weather - Friday Clear Gretna, LA Weather - Saturday Clear Gretna, LA Weather - Saturday Night Mostly Clear Gretna, LA Weather - Sunday Mostly Clear
Mostly Clear Sunny Partly Cloudy Sunny Mostly Clear Clear Clear Clear Clear Mostly Clear Mostly Clear
Lo: 60°FLo: 16°C Hi: 75°FHi: 24°C
 Lo: 65°FLo: 18°C Hi: 79°FHi: 26°C
 Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C		 Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C		 Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C		 Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C		 Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C		 Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C
POP = Probability of Precipitation.
Weather Outlook Updated: 121 AM CDT Mon Oct 19 2026 Gretna, LA Weather - WeatherWorld.com

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Issued: 1207 AM CDT Mon Oct 19 2026

Key Messages

Updated at 1045 PM CDT Sun Oct 18 2026
  • Conditions will remain favorable for the spread of any fires through the remainder of this week due to low humidity and drought/abnormally dry conditions across most of the area.
  • Conditions will remain hazardous to small craft across most coastal waters in southeastern Louisiana and Mississippi due to moderate to strong winds and high waves/choppy to rough seas. Small craft advisories and/or exercise caution headlines will remain in place throug...