Houma, Louisiana Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Houma weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 9:25 AM CDT · Open-Meteo
- TodaySep 21Heavy Showers later22%0.70″93°74°—
- TuesdaySep 22Rain—0.20″91°73°-2°
- WednesdaySep 23Overcast11%—95°75°+4°
- ThursdaySep 24Overcast——95°75°0°
- FridaySep 25Light Drizzle19%—90°74°-5°
- SaturdaySep 26Overcast——91°70°+1°
- SundaySep 27Overcast——91°71°0°
Air quality now AQI 34 · Good
AQI 34 (Good), driven by PM2.5. AQI projected to peak at 88 around 7 PM, then easing toward 82 by 6 hours out. PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.80 fine-to-coarse ratio and 4 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 during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36 now. With UV 3.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13.
- Present
- AQI 36
- UV peak
- 3.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.80 fine-to-coarse ratio and 4 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:09 PM
- Moonset
- 1:54 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Houma at a glance
- Today vs. normal: Today averages 84°F (high 93°F, low 74°F), 6°F above the 78°F normal for Sep 21
- Last frost: February 5 (1991–2020 median, NOAA station 13 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant tomatoes, peppers, beans, squash, fall brassicas, carrots; harvest beans, summer squash, winter squash
16-Day Forecast — Houma
- Mon93°74°22%
- Tue91°73°9%
- Wed95°75°11%
- Thu95°75°7%
- Fri90°74°19%
- Sat91°70°9%
- Sun91°71°9%
- Mon91°70°22%
- Tue89°72°36%
- Wed75°71°36%
- Thu72°71°23%
- Fri80°72°47%
- Sat83°73°49%
- Sun89°74°47%
- Mon76°64°34%
- Tue75°57°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Houma
Interactive wind and temperature map centered on Houma — it loads in your browser. Open the full weather map.
Right now in the garden
Peak growing season
As of September 21, the growing season is at its peak — the first frost (around December 17) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 24 to October 8 here. This city's planting calendar for September: plant tomatoes, peppers, beans, squash, fall brassicas, and carrots; harvest beans, summer squash, and winter squash.
SPC Convective Outlook
Storm Prediction Center — Houma
SPC includes Houma in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Houma
Houma sits in Terrebonne County, where the year’s longest day runs 14h 3m of daylight and its shortest just 10h 15m — a swing of +3h 48m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
New Orleans, the state’s largest city, lies about 58 miles to the NE. The nearest town Houma tracks is Metairie, roughly 43 miles to the NE.
Air quality in Houma
Air quality in Houma’s county has trended dirtier since 2020; its cleanest year on record was 2021 (median AQI 34). See the full air-quality history for Houma.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | fall brassicas, carrots |
| February | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach, beans, summer squash |
| May | squash | peas, tomatoes, peppers, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | beans, squash | tomatoes, peppers, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | tomatoes, peppers, beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| October | beans, squash, fall brassicas, carrots | beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| December | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
A year in weather
Houma's warmest month is August (~83°F mean) and its coldest is January (~54°F). Rainfall peaks in July (9.1 inches) and bottoms out in April (4.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 54° | 5.6″ | 10 |
| February | 58° | 4.4″ | 8 |
| March | 64° | 4.5″ | 7 |
| April | 69° | 4.0″ | 6 |
| May | 76° | 4.4″ | 7 |
| June | 81° | 8.4″ | 12 |
| July | 83° | 9.1″ | 16 |
| August | 83° | 6.5″ | 14 |
| September | 80° | 5.8″ | 11 |
| October | 71° | 4.3″ | 7 |
| November | 62° | 4.3″ | 7 |
| December | 56° | 4.2″ | 10 |
Regional context
Similar climates Bayou Cane, LA, Bayou Blue, LA, Presquille, LA
In Houma, NOAA NCEI 1991-2020 normals put January near 54°F and July near 83°F — a 29°F seasonal arc — with about 65.4 inches of precipitation over 115 rainy or snowy days.
July is Houma's wettest month, at 9.1 inches over 16.1 days, and April its driest, at 4.0 inches over 5.8 days — yet May through September brings Houma more rain in total than November through March. The closest comparisons in Louisiana are places like Bayou Cane, LA, Bayou Blue, LA and Presquille, LA.
Around February 5, Houma sheds its freezing nights — lettuce, chard, arugula, and mustard greens go into Houma's beds. Tomatoes and peppers do best set out two weeks later in Houma, once nights clear the mid-40s°F. Frost returns to Houma near December 17, ending the tender-crop season. Open lawns in Houma whiten first when frost returns.
Similar climates: Bayou Cane, LA, Bayou Blue, LA, Presquille, LA, Bourg, LA, Gray, LA.
Frequently asked
- When does it freeze in Houma?
- In Houma, expect the last spring frost near February 5; Houma's first autumn frost comes around December 17.
- What is the rainy season in Houma?
- Houma sees its heaviest rain in July (around 9.1 inches), part of roughly 65 inches a year.
- What is the warmest month in Houma?
- On average August tops the year in Houma at about 83°F.
- What is the coldest month in Houma?
- The coldest stretch in Houma falls in January, around 54°F on average.
- When can I start a vegetable garden in Houma?
- Hardy spring crops go in near February 5 in Houma; tender peppers and squash wait 10–14 days.
- How many rainy days does Houma get?
- Expect roughly 115 wet days a year in Houma.
- What hardiness zone is Houma?
- Since January in Houma averages 54°F, Houma's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Houma?
- Houma'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 Houma?
- See this week's day-by-day rain chances for Houma in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Houma?
- Current conditions for Houma and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Houma forecast updated?
- The Houma forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Houma?
- Today's sunrise and sunset times for Houma 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 Houma?
- The next few days in Houma's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Houma sits at 29.6°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Houma
- 70360
- 70361
- 70363
- 70364