Meraux, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Meraux weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle33%0.02″95°76°—
- MondayJul 6Overcast48%—90°75°-5°
- TuesdayJul 7Thunderstorm58%—96°78°+6°
- WednesdayJul 8Light Drizzle37%—96°78°0°
- ThursdayJul 9Overcast27%—99°78°+3°
- FridayJul 10Overcast25%—98°78°-1°
- SaturdayJul 11Thunderstorm32%—90°78°-8°
AQI 65 (Moderate), driven by PM2.5. AQI down 47 over the last 6 hours — air quality is improving sharply. PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.93 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
Ozone × UV × Sky
Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~87%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 11:11 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Meraux at a glance
- Today vs. normal: 3°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.
ZIP code: 70075
15-Day Forecast — Meraux
- Sun95°76°33%
- Mon90°75°48%
- Tue96°78°58%
- Wed96°78°37%
- Thu99°78°27%
- Fri98°78°25%
- Sat90°78°32%
- Sun78°75°49%
- Mon86°74°45%
- Tue94°75°27%
- Wed94°77°16%
- Thu93°77°29%
- Fri95°74°35%
- Sat90°75°45%
- Sun87°75°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 — Meraux
SPC includes Meraux 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.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| April | tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | — | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
In Meraux, July runs warmest near 82°F and January coldest around 54°F, while August is the wettest month (6.2 inches) and October the driest (1.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 54° | 5.0″ | 19 |
| February | 56° | 4.5″ | 16 |
| March | 62° | 5.0″ | 18 |
| April | 69° | 4.0″ | 16 |
| May | 76° | 2.8″ | 15 |
| June | 81° | 4.6″ | 17 |
| July | 82° | 4.9″ | 21 |
| August | 82° | 6.2″ | 24 |
| September | 79° | 4.8″ | 18 |
| October | 72° | 1.9″ | 10 |
| November | 63° | 3.3″ | 14 |
| December | 57° | 4.3″ | 17 |
Regional context
Per NOAA NCEI 1991-2020 normals, Meraux runs from a 54°F January mean to 82°F in July, a 28°F seasonal spread, with near 51.1 inches of precipitation across about 205 wet days.
Meraux's precipitation spreads evenly: August peaks at 6.2 inches on 23.7 wet days, while October holds 1.9 inches over 10.0 — no month dominates Meraux's rain calendar. That lines Meraux up with places like Violet, LA, Chalmette, LA and Poydras, LA, fed by overlapping storm tracks.
With a coldest-month mean of 54°F, Meraux stays mostly frost-free and grows year-round. The July peak near 82°F is Meraux's real limit, pushing cool-season vegetables to spring and fall. Within Meraux, low or inland lots lose 3-5°F overnight versus Meraux's coastal ground.
Similar climates: Violet, LA, Chalmette, LA, Poydras, LA, Arabi, LA, Terrytown, LA.
Frequently asked
- When does it freeze in Meraux?
- Frost typically leaves Meraux by mid-February and returns to Meraux near mid-December.
- What is the rainy season in Meraux?
- Rainfall in Meraux peaks in August near 6.2 inches, out of about 51 inches annually.
- What is the warmest month in Meraux?
- Meraux peaks in July, when the mean runs near 82°F.
- What is the coldest month in Meraux?
- January is Meraux's coldest month, averaging about 54°F.
- When can I start a vegetable garden in Meraux?
- Hardy spring crops go in near mid-February in Meraux; tender peppers and squash wait 10–14 days.
- How many rainy days does Meraux get?
- Meraux averages about 205 days with measurable rain or snow each year.
- What hardiness zone is Meraux?
- With January around 54°F, Meraux's zone reflects that minimum — the USDA ZIP map confirms Meraux's band.
- What is the 10-day forecast for Meraux?
- Meraux's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Meraux?
- See this week's day-by-day rain chances for Meraux in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Meraux?
- Current conditions for Meraux and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Meraux forecast updated?
- The Meraux forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Meraux?
- Today's sunrise and sunset times for Meraux are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Meraux?
- The next few days in Meraux's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Meraux, Louisiana, the humid subtropical climate runs from about 54°F in January to 82°F in July, a 28°F seasonal range.
Yearly precipitation in Meraux totals around 51 inches, spread over about 205 days of rain or snow.
From 29.9°N, Meraux sees a 28°F seasonal swing that governs Meraux's planting and frost windows.
ZIP codes in Meraux
- 70075
- 70092