Port Allen, LA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Port Allen, LA.

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Current Conditions — Port Allen, LA

NEW ROADS (KHZR)

Clear

NULL F
Humidity:%
Wind Speed: mph
Barometer: in
Dewpoint: F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 12:15 AM CDT
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5-Day Forecast — Port Allen, LA

Thursday

High 82 °F
Chance of T-storms
Thursday
Night
Low 66 °F
Mostly Cloudy
Friday

High 86 °F
Chance of T-storms
Friday
Night
Low 68 °F
Isolated T-storm
Saturday

High 87 °F
T-storms Likely
Saturday
Night
Low 68 °F
Mostly Cloudy
Sunday

High 89 °F
Isolated T-storm
Sunday
Night
Low 71 °F
Partly Cloudy
Monday

High 91 °F
Mostly Cloudy

Detailed Forecast — Port Allen, LA

Thursday
Chance of Thunderstorms. High near 82°F. Wind 7 to 12 mph, with gusts as high as 16 mph.
Thursday Night
Mostly Cloudy. Low around 66°F. Wind 5 to 8 mph, with gusts as high as 14 mph.
Friday
Chance of Thunderstorms. High near 86°F. Wind 6 to 10 mph, with gusts as high as 16 mph.
Friday Night
Isolated T-storm. Low around 68°F. Wind 3 to 7 mph, with gusts as high as 13 mph.
Saturday
Thunderstorms Likely. High near 87°F. Wind 6 to 8 mph, with gusts as high as 13 mph.
Saturday Night
Mostly Cloudy. Low around 68°F. Wind around 2 mph, with gusts as high as 5 mph.
Sunday
Isolated T-storm. High near 89°F. Wind 7 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly Cloudy. Low around 71°F. Wind around 7 mph, with gusts as high as 13 mph.
Monday
Mostly Cloudy. High near 91°F. Wind 13 to 14 mph, with gusts as high as 20 mph.
Monday Night
Isolated T-storm. Low around 71°F. Wind around 7 mph, with gusts as high as 13 mph.
Tuesday
Isolated T-storm. High near 91°F. Wind 6 to 8 mph, with gusts as high as 12 mph.
Tuesday Night
Mostly Cloudy. Low around 68°F. Wind around 3 mph, with gusts as high as 8 mph.
Wednesday
Partly Sunny. High near 91°F. Wind 9 to 14 mph, with gusts as high as 18 mph.
LA Radar
Current Radar • LA
Day 1 Outlook • April 23, 2026

Observation History — Port Allen, LA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
12:15 AM CDT 10.00 Clear -- NULL % NA NA M
11:55 PM CDT 4.7 10.00 Clear -- 68.0 65.8 93% NA NA 30.02 1016.6
11:35 PM CDT 4.7 10.00 Mostly Clear -- 68.4 65.5 91% NA NA 30.02 1016.6
11:15 PM CDT SE 4.7 10.00 NULL -- 68.4 65.5 91% NA NA 30.02 1016.6
10:55 PM CDT 4.7 10.00 Partly Cloudy Trace 68.2 66.2 93% NA NA 30.02 1016.6
10:35 PM CDT SE 4.7 9.00 Mostly Cloudy Trace 68.7 66.4 92% NA NA 30.03 1016.9
10:15 PM CDT 5.8 8.00 Partly Cloudy Trace 69.1 66.9 93% NA NA 30.03 1016.9
09:55 PM CDT SE 3.4 6.00 Light Rain and Fog/Mist 00.09 69.8 67.1 91% NA NA 30.04 1017.3
09:35 PM CDT S 6.9 2.00 Rain and Fog/Mist 00.08 70.3 66.7 88% NA 71.2 30.04 1017.3
09:15 PM CDT 0.0 10.00 NULL -- 71.4 65.8 83% NA 72.1 30.04 1017.3
08:55 PM CDT 0.0 10.00 Mostly Cloudy -- 71.8 65.7 81% NA 72.5 30.03 1016.9
08:35 PM CDT 0.0 10.00 Mostly Clear -- 70.5 65.8 85% NA 71.2 30.03 1016.9
08:15 PM CDT 0.0 10.00 Mostly Clear -- 71.4 66.0 83% NA 72.1 30.02 1016.6
07:55 PM CDT 4.7 10.00 Mostly Clear -- 72.0 66.0 82% NA 72.7 30.02 1016.6
07:35 PM CDT SW 4.7 10.00 Clear -- 73.0 65.5 77% NA 73.8 30.02 1016.6
07:15 PM CDT SW 4.7 10.00 Clear -- 74.1 65.1 74% NA 74.7 30.02 1016.6
06:55 PM CDT SW 4.7 10.00 Clear -- 75.2 64.8 70% NA 75.7 30.02 1016.6
06:35 PM CDT SW 8.1 10.00 Clear -- 75.7 64.4 68% NA 76.3 30.02 1016.6
05:55 PM CDT 9.2 10.00 Partly Cloudy -- 77.4 63.0 61% NA 77.7 30.01 1016.3
05:35 PM CDT 10.3 10.00 Mostly Cloudy -- 78.6 63.3 59% NA 79.0 30.01 1016.3
05:15 PM CDT S 6.9 10.00 Cloudy -- 78.8 63.1 59% NA 79.2 30.01 1016.3
04:55 PM CDT 9.2 10.00 Cloudy -- 79.7 61.0 53% NA 79.9 30.02 1016.6
04:35 PM CDT SE 9.2 10.00 Cloudy -- 79.7 59.2 50% NA 79.7 30.02 1016.6
04:15 PM CDT SE 10.3 10.00 Cloudy -- 80.2 58.6 48% NA 80.8 30.02 1016.6

Regional Weather Observation

NEW ROADS (KHZR)

Clear
NULL F

BATON ROUGE (KBTR)

Clear
66.2 F

LAFAYETTE (KLFT)

Clear
64.4 F

NEW IBERIA (KARA)

Clear
66.2 F

GONZALES (KREG)

Partly Cloudy
NULL F

OPELOUSAS (KOPL)

Clear
NULL F
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