St. Joseph, Louisiana Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
St. Joseph weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast11%—90°74°—
- TuesdayJul 7Light Showers37%—88°73°-2°
- WednesdayJul 8Light Showers27%—91°73°+3°
- ThursdayJul 9Light Showers——92°74°+1°
- FridayJul 10Clear——93°73°+1°
- SaturdayJul 11Overcast25%—95°75°+2°
- SundayJul 12Overcast38%—93°75°-2°
AQI 39 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 5.2 µg/m³ (AQI 29) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant 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 5.2 µg/m³ (AQI 29) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.91
- 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:46 PM
- Moonset
- 12:21 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
St. Joseph at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: February 27 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
15-Day Forecast — St. Joseph
- Mon90°74°11%
- Tue88°73°37%
- Wed91°73°27%
- Thu92°74°6%
- Fri93°73°9%
- Sat95°75°25%
- Sun93°75°38%
- Mon95°76°40%
- Tue99°78°21%
- Wed100°79°13%
- Thu100°79°12%
- Fri98°75°18%
- Sat83°74°26%
- Sun83°70°26%
- Mon88°71°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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. Joseph
SPC includes St. Joseph 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. Joseph
- 71366