Weather StoryAlmanac, microseasons, and the day's weather story.

Harahan, Louisiana Weather

Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →

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

Harahan, LA
Monday, July 6 at 6:25 AM
73
°
Clear
Feels like
80°
Humidity
92%
Wind
4 mph
Sunrise
1:05 AM
Sunset
3:05 PM
Harahan, LA
Hour by hour · 24h
24-Hour ForecastHarahan, LA: 24-hour forecast. Temperatures range from 73 to 88 degrees Fahrenheit with a 22% chance of precipitation at 2 PM.
L 73°H 88°
Harahan, LA
7-day forecast
  1. Today
    Jul 6
    Rain
    22%
    0.15″
    88°73°
  2. Tuesday
    Jul 7
    Drizzle
    51%
    0.03″
    89°75°+1°
  3. Wednesday
    Jul 8
    Overcast
    36%
    98°75°+9°
  4. Thursday
    Jul 9
    Thunderstorm
    25%
    99°76°+1°
  5. Friday
    Jul 10
    Light Drizzle
    34%
    98°76°-1°
  6. Saturday
    Jul 11
    Thunderstorm
    42%
    98°77°
  7. Sunday
    Jul 12
    Overcast
    54%
    96°77°-2°
Harahan, LA
Anemometer · 24h winds · from true
NESW
From · True
WNW
287° · veering 31°
Direction
WNW
287°
Sustained
4
mph
Gust
6
mph
Peak 24h
16
avg 4 mph
Beaufort · 2 · LIGHT 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 4 mph · pk 16 mph @ 4:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 133SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Harahan, LA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1015.1
+1.3 mb in 3h · rising · 29.98 inHg
Now
1015.1
mb
3h
+1.3
mb
12h
+0.5
mb
24h
-0.1
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10131016
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1016.31013.31015.0
Fair and building — a clean high settles over the region.
Harahan, LA
Air quality
51
AQI
Moderate
-28 in 6h

AQI 51 (Moderate), driven by PM2.5. AQI down 28 over the last 6 hours — air quality is improving sharply. PM2.5 at 7.9 µg/m³, PM10 at 8.4 µg/m³ — typical background levels with no transport signature.

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

PM 2.5DRIVERGood
7.9μg/m³
PM 10Good
8μg/m³
NO₂Good
19μg/m³
OzoneGood
53μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 7.9 µg/m³, PM10 at 8.4 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
calm
Recent rain
1h in last 6h
Pattern
background
Harahan, LA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
27.7mi
UNLIMITED
55 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
11:25 UTC · Harahan, LA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
11:25 UTC · Harahan, LA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Harahan, LA
Satellite · infrared · animated
Harahan, LA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Harahan, LA
Almanac · Monday, July 6
When the stars begin to huddle, the earth will soon become a puddle.
Civil dawn
5:39 AM
Sunrise
1:05 AM
Daylight
14h 00m
Sunset
3:05 PM
Civil dusk
8:33 PM
Planting note
Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
Harahan, LA
The moon
Last Quarter
63% illuminated
Moonrise
11:42 PM
Moonset
12:16 PM
In sign
♓︎ Pisces
Harahan, LA
Microseason
Jul 6–10

Thunderheads boil and break at dusk

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Harahan at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: February 15 (climatological average for this latitude)
  • Microseason: Jul 6–10
  • Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.

15-Day Forecast — Harahan

  1. Mon88°73°22%
  2. Tue89°75°51%
  3. Wed98°75°36%
  4. Thu99°76°25%
  5. Fri98°76°34%
  6. Sat98°77°42%
  7. Sun96°77°54%
  8. Mon99°77°47%
  9. Tue101°78°34%
  10. Wed102°79°25%
  11. Thu101°79°29%
  12. Fri102°77°32%
  13. Sat95°75°40%
  14. Sun86°75°32%
  15. Mon89°74°45%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 6, 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 — Harahan

SPC includes Harahan 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.

ZIP codes in Harahan

  • 70123

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.