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Weather in Port Allen, LA · National Weather Service + NOAA

Snow is rare in Port Allen

Port Allen has warm winters and warm summers, with plenty of rain. A typical July afternoon reaches 92°, a January night drops to 41°, and snow is almost unheard of. Normal November highs come to 71°, and lows to 48°.

Winter 64°/43°Spring 79°/57°Summer 91°/72°Fall 80°/58°
Right now
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Sunrise 7:21 am · sunset 6:14 pm

Getting the latest forecast from the National Weather Service…

What stands out about Port Allen’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Snow is rareAbout 0.2 inches in a normal year, so most winters see none.A wet climate63 inches of rain and melted snow a year, more than 99% of U.S. towns.Plenty of 90° daysAbout 96 days a year reach 90°.Air-conditioning countryMore cooling degree days than 96% of U.S. towns.
A normal year

Where today sits in Port Allen’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
64° / 43°
Snow is rare
Spring
79° / 57°
Last frost around Feb 25
Summer
91° / 72°
96 days reach 90° in a normal year
Fall now
80° / 58°
First frost around Nov 26
22 daysuntil the usual first frost (Nov 26)
Best months to be outside
JanFebMarAprOctNovDec
Highs of 62–84° and lows of 40° or more
How much snow does Port Allen get?Almost none.When is it wettest?June, with 6.4 inches.Is it warmer than it used to be?+0.7° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Port Allen.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Port Allen itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Baton Rouge Ryan Airport, LA (7 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.