Lafayette, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lafayette weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast31%—91°76°—
- MondayJul 6Overcast46%—91°76°0°
- TuesdayJul 7T-storm w/ Hail74%—91°74°0°
- WednesdayJul 8Thunderstorm46%—93°74°+2°
- ThursdayJul 9Thunderstorm23%—94°75°+1°
- FridayJul 10Light Drizzle19%—90°76°-4°
- SaturdayJul 11Thunderstorm41%—87°75°-3°
AQI 56 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 16.6 µg/m³ (AQI 65) with a 0.91 fine-to-coarse ratio and 3 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 16.6 µg/m³ (AQI 65) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 11:20 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lafayette at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: February 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 70501, 70503, 70506, 70507, 70508
15-Day Forecast — Lafayette
- Sun91°76°31%
- Mon91°76°46%
- Tue91°74°74%
- Wed93°74°46%
- Thu94°75°23%
- Fri90°76°19%
- Sat87°75°41%
- Sun82°73°53%
- Mon87°72°58%
- Tue90°74°37%
- Wed91°75°32%
- Thu88°75°35%
- Fri89°75°36%
- Sat86°73°45%
- Sun85°74°35%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Lafayette
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 — Lafayette
SPC includes Lafayette 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 | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | 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
Lafayette peaks at about 83°F in July and bottoms near 52°F in January; December brings the heaviest rain (5.4 inches) and October the least (2.3 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 52° | 4.5″ | 17 |
| February | 55° | 4.1″ | 14 |
| March | 61° | 4.2″ | 18 |
| April | 68° | 4.5″ | 17 |
| May | 75° | 3.4″ | 18 |
| June | 81° | 3.6″ | 19 |
| July | 83° | 4.8″ | 24 |
| August | 82° | 5.3″ | 25 |
| September | 79° | 3.3″ | 17 |
| October | 72° | 2.3″ | 10 |
| November | 61° | 4.3″ | 14 |
| December | 54° | 5.4″ | 16 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Lafayette sees 52°F Januarys and 83°F Julys, a 31°F range, plus around 49.7 inches of precipitation across 207 days.
No season owns Lafayette's rain: December reaches 5.4 inches across 16.1 days and October keeps 2.3 inches on 9.9, an even spread through Lafayette's year. It is a balanced pattern Lafayette shares with places like Scott, LA, Broussard, LA and Ossun, LA.
Freezes are uncommon in Lafayette, where the coldest month averages 52°F; cool-season crops grow fall through spring. Summer heat in July (about 83°F) is the binding constraint, not cold. Across Lafayette, elevation and tree cover drive a 4-7°F spread in Lafayette's overnight lows.
Similar climates: Scott, LA, Broussard, LA, Ossun, LA, Milton, LA, Carencro, LA.
Naturalist notes
Late spring brings the return of Ruby-throated Hummingbirds to Lafayette's gardens and woodlands.
Southern Magnolia trees begin their spectacular blooming period, filling the air with their distinctive fragrance.
Frequently asked
- When does it freeze in Lafayette?
- Lafayette's last spring frost lands near mid-March, and in Lafayette the first fall frost follows around mid-December.
- What is the rainy season in Lafayette?
- Rainfall in Lafayette peaks in December near 5.4 inches, out of about 50 inches annually.
- What is the warmest month in Lafayette?
- July is Lafayette's warmest month, averaging about 83°F.
- What is the coldest month in Lafayette?
- Lafayette bottoms out in January, with a mean near 52°F.
- When can I start a vegetable garden in Lafayette?
- Frost-hardy sowings begin at mid-March in Lafayette; warm-season starts follow two weeks on.
- How many rainy days does Lafayette get?
- Lafayette averages about 207 days with measurable rain or snow each year.
- What hardiness zone is Lafayette?
- Lafayette's USDA zone comes from its January mean (52°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Lafayette?
- Lafayette'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 Lafayette?
- See this week's day-by-day rain chances for Lafayette in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Lafayette?
- Current conditions for Lafayette and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Lafayette forecast updated?
- The Lafayette forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Lafayette?
- Today's sunrise and sunset times for Lafayette 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 Lafayette?
- The next few days in Lafayette's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Lafayette, Louisiana has a humid subtropical climate: January averages roughly 52°F, July about 83°F, 31°F between them.
Yearly precipitation in Lafayette totals around 50 inches, spread over about 207 days of rain or snow.
Latitude 30.2°N gives Lafayette its 31°F swing, and with it the rhythm of Lafayette's growing season.
ZIP codes in Lafayette
- 70508
- 70507
- 70506
- 70503
- 70501
- 70502
- 70504
- 70505
- 70509
- 70593
- 70596
- 70598