Port Sulphur, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Port Sulphur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain32%0.54″92°75°—
- MondayJul 6Overcast28%—88°77°-4°
- TuesdayJul 7Showers57%—92°79°+4°
- WednesdayJul 8T-storm w/ Hail23%—93°79°+1°
- ThursdayJul 9Mostly Clear——92°80°-1°
- FridayJul 10Overcast——93°79°+1°
- SaturdayJul 11Overcast19%—92°81°-1°
AQI 43 (Good), driven by PM2.5. AQI projected to climb to 59 over the next 6 hours. PM2.5 at 13.6 µg/m³, PM10 at 16.1 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~92%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 13.6 µg/m³, PM10 at 16.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.84
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:10 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Port Sulphur at a glance
- Today vs. normal: 84°F — typical for the season
- Last frost: February 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 70083
16-Day Forecast — Port Sulphur
- Sun92°75°32%
- Mon88°77°28%
- Tue92°79°57%
- Wed93°79°23%
- Thu92°80°6%
- Fri93°79°9%
- Sat92°81°19%
- Sun83°75°34%
- Mon80°75°40%
- Tue87°75°31%
- Wed90°76°20%
- Thu92°80°32%
- Fri91°75°35%
- Sat90°77°39%
- Sun90°81°39%
- Mon91°80°33%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 includes Port Sulphur in the general thunderstorm area today — no severe risk, but storms are possible.
- 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.
ZIP codes in Port Sulphur
- 70083