Grand Coteau, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Grand Coteau weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle48%0.01″93°77°—
- MondayJul 6Drizzle46%0.03″92°77°-1°
- TuesdayJul 7T-storm w/ Hail62%—89°73°-3°
- WednesdayJul 8Drizzle43%—92°74°+3°
- ThursdayJul 9Thunderstorm20%—91°75°-1°
- FridayJul 10Overcast21%—93°74°+2°
- SaturdayJul 11Thunderstorm40%—92°73°-1°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.5 µg/m³ (AQI 47) with a 0.83 fine-to-coarse ratio and 5 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 8.5 µg/m³ (AQI 47) with a 0.83 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.83
- Wind
- light
- 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
- 11:20 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Grand Coteau at a glance
- Today vs. normal: 81°F — typical for the season
- Last frost: February 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 70541
16-Day Forecast — Grand Coteau
- Sun93°77°48%
- Mon92°77°46%
- Tue89°73°62%
- Wed92°74°43%
- Thu91°75°20%
- Fri93°74°21%
- Sat92°73°40%
- Sun84°71°56%
- Mon82°72°59%
- Tue90°72°38%
- Wed92°75°29%
- Thu93°75°32%
- Fri92°76°39%
- Sat93°78°37%
- Sun92°76°46%
- Mon92°74°53%
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 — Grand Coteau
SPC has placed Grand Coteau in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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