Terrytown, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Terrytown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast45%—96°77°—
- MondayJul 6Overcast39%—91°76°-5°
- TuesdayJul 7Thunderstorm77%—96°79°+5°
- WednesdayJul 8Light Drizzle43%—96°79°0°
- ThursdayJul 9T-storm w/ Hail22%—99°80°+3°
- FridayJul 10Overcast27%—97°79°-2°
- SaturdayJul 11Thunderstorm38%0.38″96°78°-1°
AQI 57 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 15.6 µg/m³ (AQI 63) with a 0.93 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
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 1.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
- Present
- AQI 33
- UV peak
- 1.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 15.6 µg/m³ (AQI 63) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 11:12 PM
- Moonset
- 11:15 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Terrytown at a glance
- Today vs. normal: 82°F — typical for the season
- Last frost: February 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Terrytown
- Sun96°77°45%
- Mon91°76°39%
- Tue96°79°77%
- Wed96°79°43%
- Thu99°80°22%
- Fri97°79°27%
- Sat96°78°38%
- Sun80°75°51%
- Mon76°73°51%
- Tue93°73°29%
- Wed94°79°25%
- Thu94°79°45%
- Fri93°77°33%
- Sat95°77°36%
- Sun96°79°55%
- Mon97°79°39%
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 — Terrytown
SPC includes Terrytown 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 Terrytown, 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
Terrytown swings from 54°F in January to 82°F in July (28°F) per NOAA NCEI 1991-2020 normals; precipitation in Terrytown runs about 51.1 inches on roughly 205 measurable days.
No season owns Terrytown's rain: August reaches 6.2 inches across 23.7 days and October keeps 1.9 inches on 10.0, an even spread through Terrytown's year. That even rhythm groups Terrytown with places like Gretna, LA, Timberlane, LA and Harvey, LA.
With a coldest-month mean of 54°F, Terrytown stays mostly frost-free and grows year-round. The July peak near 82°F is Terrytown's real limit, pushing cool-season vegetables to spring and fall. Across Terrytown, elevation and tree cover drive a 4-7°F spread in Terrytown's overnight lows.
Similar climates: Gretna, LA, Timberlane, LA, Harvey, LA, Belle Chasse, LA, Arabi, LA.
Frequently asked
- When does it freeze in Terrytown?
- In Terrytown, expect the last spring frost near mid-February; Terrytown's first autumn frost comes around mid-December.
- What is the rainy season in Terrytown?
- August is the wettest month in Terrytown, about 6.2 inches on average; the year totals roughly 51 inches.
- What is the warmest month in Terrytown?
- On average July tops the year in Terrytown at about 82°F.
- What is the coldest month in Terrytown?
- The coldest stretch in Terrytown falls in January, around 54°F on average.
- When can I start a vegetable garden in Terrytown?
- In Terrytown, sow peas and hardy greens around mid-February; Terrytown's tomatoes and peppers wait two weeks more.
- How many rainy days does Terrytown get?
- Terrytown averages about 205 days with measurable rain or snow each year.
- What hardiness zone is Terrytown?
- With January around 54°F, Terrytown's zone reflects that minimum — the USDA ZIP map confirms Terrytown's band.
- What is the 10-day forecast for Terrytown?
- Terrytown'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 Terrytown?
- See this week's day-by-day rain chances for Terrytown in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Terrytown?
- Current conditions for Terrytown and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Terrytown forecast updated?
- The Terrytown forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Terrytown?
- Today's sunrise and sunset times for Terrytown 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 Terrytown?
- The next few days in Terrytown's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Terrytown, 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 Terrytown totals around 51 inches, spread over about 205 days of rain or snow.
Terrytown's 28°F range, set by its 29.9°N position, drives frost timing and what thrives in Terrytown.
ZIP codes in Terrytown
- 70056