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

Weather in Mer Rouge, Louisiana

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Mer Rouge, LA
Sunday, May 17 at 4:07 AM
72
°
Clear
Feels like
72°
Humidity
71%
Wind
10 mph
Sunrise
6:07 AM
Sunset
7:59 PM
Mer Rouge, LA
Hour by hour · 24h
66°
11p
65°
12a
65°
1a
64°
2a
63°
3a
63°
4a
62°
5a
62°
6a
63°
7a
68°
8a
73°
9a
78°
10a
80°
11a
83°
12p
84°
1p
86°
2p
87°
3p
87°
4p
87°
5p
85°
6p
83°
7p
79°
8p
77°
9p
75°
10p
L 62°H 87°
Mer Rouge, LA
7-day forecast
  1. Today
    May 16
    Overcast
    —
    83°70°
  2. Sunday
    May 17
    Thunderstorm
    19%
    85°66°
  3. Monday
    May 18
    Drizzle
    24%
    88°74°
  4. Tuesday
    May 19
    Light Showers
    50%
    89°69°
  5. Wednesday
    May 20
    Showers
    67%
    85°70°
  6. Thursday
    May 21
    Showers
    67%
    75°69°
  7. Friday
    May 22
    Drizzle
    62%
    89°68°
Mer Rouge, LA
Next 24 hours · Mild now
HOT 90°55°75°95°12a6a12p6pnow 66°high 87°low 62°
Mer Rouge, LA
Anemometer · 24h winds · from true
NESW
From · True
SSE
164° · veering 19°
Direction
SSE
164°
Sustained
10
mph
Gust
20
mph
Peak 24h
20
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 20 @ 11:00p
−24h−18h−12h−6hnow
Light breeze veering 19° from the sse.
Mer Rouge, LA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1009.3
-0.7 mb in 3h · falling · 29.80 inHg
Now
1009.3
mb
3h
-0.7
mb
12h
-1.4
mb
24h
-1.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1009–1014
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Mer Rouge, LA
Air quality
51
AQI
Moderate
PM 2.5
5.0 μg/m³
PM 10
6.3 μg/m³
NO₂
3.3 μg/m³
Ozone
85.0 μg/m³
UV Index
0.0 Low
Mer Rouge, LA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:41 AM
Sunrise
6:07 AM
Daylight
13h 52m
Sunset
7:59 PM
Civil dusk
1:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mer Rouge, LA
The moon
New Moon
0% illuminated
Moonrise
11:21 AM
Moonset
1:23 AM
In sign
♊︎ Gemini
Mer Rouge, LA
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Mer Rouge at a glance

  • Today vs. normal: 7°F below the seasonal normal for this latitude
  • Last frost: March 4 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, 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.

All cities in Louisiana →

ZIP codes in Mer Rouge

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.