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Hahnville, Louisiana Weather

Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →

Hahnville weather forecast — hour by hour, 7-day outlook, NOAA radar

Hahnville, LA
Thursday, June 4 at 10:14 PM
83
°
Mostly Clear
Feels like
83°
Humidity
49%
Wind
11 mph
Sunrise
6:00 AM
Sunset
7:59 PM
Hahnville, LA
Hour by hour · 24h
24-Hour ForecastHahnville, LA: 24-hour forecast. Temperatures range from 71 to 83 degrees Fahrenheit with a 40% chance of precipitation at 9 AM.
L 71°H 83°
Hahnville, LA
7-day forecast
  1. Today
    Jun 4
    Light Drizzle
    40%
    0.01″
    84°73°—
  2. Friday
    Jun 5
    Light Drizzle
    46%
    0.01″
    83°71°-1°
  3. Saturday
    Jun 6
    Showers
    85%
    0.13″
    84°73°+1°
  4. Sunday
    Jun 7
    Drizzle
    58%
    —
    89°73°+5°
  5. Monday
    Jun 8
    Overcast
    17%
    —
    89°73°0°
  6. Tuesday
    Jun 9
    Overcast
    21%
    —
    92°69°+3°
  7. Wednesday
    Jun 10
    Partly Cloudy
    35%
    —
    91°71°-1°
Hahnville, LA
Next 24 hours · Mild now
68°77°86°12a6a12pnow 74°high 83°low 71°PRECIP %
Hahnville, LA
Anemometer · 24h winds · from true
NESW
From · True
E
097° · backing 20°
Direction
E
097°
Sustained
11
mph
Gust
17
mph
Peak 24h
23
avg 8
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 · pk 23 @ 3:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2411SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 20° from the e.
Hahnville, LA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1016.8
+0.7 mb in 3h · rising · 30.03 inHg
Now
1016.8
mb
3h
+0.7
mb
12h
-1.2
mb
24h
-1.3
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1016–1019
1010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1018.61016.31017.1
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Hahnville, LA
Air quality
49
AQI
Moderate
→+4 in 6h

PM2.5/PM10 ratio 0.66 with 11 mph wind — characteristic of long-range haze transport rather than a local source. AQI flat over the last 6 hours (within ±4 points).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
11.4μg/m³
PM 10Good
17μg/m³
NO₂Good
3μg/m³
OzoneModerate
99μg/m³
UV IndexLow
1.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 47 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 47
UV peak
1.2 at earlier today
Sky at peak
overcast
Projected peak
AQI 47

PM × Wind × Precip

PM2.5/PM10 ratio 0.66 with 11 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.66
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport

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).

7-DAY AQI TREND50100THUFRISATSUNMONTUEWEDTHU7-DAY PM2.5 TREND · μg/m³300
Hahnville, LA
Sky cover · visibility · 24h
Cloud cover
42%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
83.6mi
UNLIMITED
85 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
22:14 UTC ·Hahnville, LA · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
22:14 UTC ·Hahnville, LA · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Hahnville, LA
Satellite · infrared · animated
Hahnville, LA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Hahnville, LA
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
10:34 AM
Sunrise
6:00 AM
Daylight
13h 59m
Sunset
7:59 PM
Civil dusk
1:27 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Hahnville, LA
The moon
Waning Gibbous
82% illuminated
Moonrise
4:01 AM
Moonset
2:30 PM
In sign
♒︎ Aquarius
Hahnville, LA
Microseason
Jun 1–5

Fireflies pulse through the magnolias

plant
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Hahnville at a glance

  • Today vs. normal: 83°F — typical for the season
  • Last frost: February 15 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 4, 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 — Hahnville

SPC has placed Hahnville in the General Thunderstorms category for severe thunderstorms today.

  • 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.

All cities in Louisiana →

ZIP codes in Hahnville

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.