Grand Coteau, Louisiana Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Grand Coteau weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast22%—92°72°—
- TuesdayJul 7Overcast43%—93°76°+1°
- WednesdayJul 8Thunderstorm36%—93°74°0°
- ThursdayJul 9Light Drizzle27%—94°75°+1°
- FridayJul 10Light Drizzle29%—93°74°-1°
- SaturdayJul 11Light Drizzle49%—89°76°-4°
- SundayJul 12Overcast54%—94°76°+5°
AQI 35 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 4.8 µg/m³ (AQI 27) with a 0.80 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 4.8 µg/m³ (AQI 27) with a 0.80 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.80
- 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
- 11:50 PM
- Moonset
- 12:24 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Grand Coteau at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: February 18 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 70541
15-Day Forecast — Grand Coteau
- Mon92°72°22%
- Tue93°76°43%
- Wed93°74°36%
- Thu94°75°27%
- Fri93°74°29%
- Sat89°76°49%
- Sun94°76°54%
- Mon93°76°54%
- Tue96°76°39%
- Wed96°77°28%
- Thu96°77°28%
- Fri95°76°32%
- Sat95°76°45%
- Sun85°76°24%
- Mon88°74°35%
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 — Grand Coteau
SPC includes Grand Coteau 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 Grand Coteau
- 70541