Port Sulphur, Louisiana Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Port Sulphur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Showers43%0.08″83°74°—
- ThursdayJun 4Drizzle28%0.04″80°75°-3°
- FridayJun 5Showers65%—84°73°+4°
- SaturdayJun 6Drizzle66%—86°77°+2°
- SundayJun 7Drizzle29%—88°77°+2°
- MondayJun 8Overcast——89°76°+1°
- TuesdayJun 9Overcast12%—89°76°0°
Ozone at AQI 55. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 55. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 55
- UV peak
- 4.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 16
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.7 µg/m³, PM10 to 10.0 µg/m³.
- PM2.5/PM10
- 0.77
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 3:16 AM
- Moonset
- 1:30 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Port Sulphur at a glance
- Today vs. normal: 83°F — typical for the season
- Last frost: February 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Port Sulphur
SPC has placed Port Sulphur in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.