St. Martinville, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
St. Martinville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain42%0.34″95°76°—
- MondayJul 6Overcast47%—91°76°-4°
- TuesdayJul 7Showers73%—90°75°-1°
- WednesdayJul 8Thunderstorm46%—92°75°+2°
- ThursdayJul 9T-storm w/ Hail20%—89°75°-3°
- FridayJul 10Overcast17%—92°75°+3°
- SaturdayJul 11Thunderstorm41%—90°74°-2°
AQI 46 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.80 fine-to-coarse ratio and 4 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 7.0 µg/m³ (AQI 39) with a 0.80 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:19 PM
- Moonset
- 11:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
St. Martinville at a glance
- Today vs. normal: 82°F — typical for the season
- Last frost: February 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Martinville
- Sun95°76°42%
- Mon91°76°47%
- Tue90°75°73%
- Wed92°75°46%
- Thu89°75°20%
- Fri92°75°17%
- Sat90°74°41%
- Sun82°73°54%
- Mon78°72°58%
- Tue89°72°36%
- Wed92°75°31%
- Thu92°76°34%
- Fri93°77°36%
- Sat92°79°42%
- Sun92°77°46%
- Mon92°76°52%
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. Martinville
SPC includes St. Martinville 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. Martinville
- 70582