St. James, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
St. James weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Showers42%0.13″90°73°—
- MondayJul 6Overcast37%—88°73°-2°
- TuesdayJul 7Thunderstorm79%—91°74°+3°
- WednesdayJul 8Overcast47%—95°75°+4°
- ThursdayJul 9Overcast28%—96°74°+1°
- FridayJul 10Overcast37%—98°75°+2°
- SaturdayJul 11Thunderstorm51%0.04″87°75°-11°
AQI 58 (Moderate), driven by PM2.5. AQI down 65 over the last 6 hours — air quality is improving sharply. PM2.5 at 17.6 µg/m³ (AQI 67) with a 0.92 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 17.6 µg/m³ (AQI 67) with a 0.92 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:15 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
St. James at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: February 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — St. James
- Sun90°73°42%
- Mon88°73°37%
- Tue91°74°79%
- Wed95°75°47%
- Thu96°74°28%
- Fri98°75°37%
- Sat87°75°51%
- Sun80°73°64%
- Mon82°73°62%
- Tue90°73°37%
- Wed91°74°34%
- Thu88°73°43%
- Fri91°74°42%
- Sat87°73°52%
- Sun86°74°45%
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 — St. James
SPC includes St. James 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 St. James
- 70086