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Fairfax, Louisiana Weather Forecast
Fairfax, Louisiana Weather
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Weather Forecast for Fairfax, Louisiana : St. Mary County
Issued: 11:45 am CST Nov 4, 2025 Latitude: 29.7288188 Longitude: -91.3884412 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on This Afternoon Morning Fog on Tonight Morning Fog on Wednesday Mostly Sunny on Thursday 30% chance of thunderstorms on Friday Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday
High: 73°F Low: 56°F High: 77°F High: 77°F High: 79°F High: 80°F High: 75°F High: 59°F
Low: 59°F Low: 64°F Low: 65°F Low: 64°F Low: 45°F  
Sunny Morning Fog Morning Fog Mostly Sunny Thunderstorms Sunny Mostly Sunny Sunny
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Current Conditions at
PATTERSON MEMORIAL - (KPTN)
73°
Clear
as of 1:56 PM CST
Rel. Humidity: 53%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Clear
Current Conditions at
NEW IBERIA/ACADIANA - (KARA)
73°
Clear
as of 1:53 PM CST
Rel. Humidity: 40%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
HOUMA - (KHUM)
75°
Clear
as of 1:50 PM CST
Rel. Humidity: 47%
Dew Point: 54°F
Visibility: 7 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 73. East wind around 5 mph.
Morning Fog on Tonight Tonight... Patchy fog after 4am. Otherwise, increasing clouds, with a low around 56. Calm wind becoming east around 5 mph.
Morning Fog on Wednesday Wednesday... Patchy fog before 8am. Otherwise, mostly sunny, with a high near 77. Northeast wind around 5 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 59. Southeast wind around 5 mph becoming calm.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 77. Northeast wind around 5 mph becoming southeast in the afternoon.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm.
30% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms before 3pm, then a slight chance of showers. Mostly sunny, with a high near 79. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 65. South wind around 5 mph becoming calm.
Sunny on Saturday Saturday... Sunny, with a high near 80. Calm wind becoming southwest around 5 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 64.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 75.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 45.
Sunny on Monday Monday... Sunny, with a high near 59.
Current Radar Image


Sun Almanac for Fairfax, Louisiana
Sunrise: 06:22 AM
Sunset: 5:16 PM
Civil Sunrise:05:57 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 05:29 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 05:01 AM
Astro Sunset: 6:38 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.