Live Weather & Forecast
Weather in Gretna
Louisiana, United States · Real-time conditions & 3-day outlook
24°C
Feels like 25°C
75°F / Feels 78°F
Partly cloudy
Gretna, Louisiana
🌞 Daytime
Updated: 2026-04-12 10:45
Humidity
62%
Wind
22.7 km/h SE
Wind Gust
26.1 km/h
Pressure
1024 mb
Visibility
16 km
UV Index
4.6
(Moderate)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
15.7°C
Wind Degree
144°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
131.9 μg/m³
NO₂
2 μg/m³
O₃
121 μg/m³
SO₂
1.4 μg/m³
PM 2.5
7.9 μg/m³
PM 10
10.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Gretna, Louisiana
12 AM
19°
Clear
1 AM
18°
Clear
2 AM
18°
Clear
3 AM
17°
Clear
4 AM
17°
Clear
5 AM
16°
Clear
6 AM
16°
Clear
7 AM
17°
Mist
8 AM
20°
Sunny
9 AM
22°
Sunny
10 AM
24°
Partly cloudy
11 AM
27°
Sunny
12 PM
28°
Partly Cloudy
1 PM
28°
Partly Cloudy
2 PM
29°
Sunny
3 PM
29°
Partly Cloudy
4 PM
27°
Sunny
5 PM
26°
Overcast
6 PM
25°
Overcast
7 PM
24°
Partly Cloudy
8 PM
23°
Partly Cloudy
9 PM
22°
Clear
10 PM
22°
Partly Cloudy
11 PM
21°
Cloudy
3-Day Forecast
Daily overview for Gretna, Louisiana
Today
Sunny
29°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:26 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Cloudy
27°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 06:35 AM
🌇 Sunset: 07:26 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
24°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 22 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:27 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Gretna
Plan your trip to Gretna, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Gretna?
Current conditions in Gretna: Partly cloudy, temperature 24°C, humidity 62%.
What is the best time to visit Gretna?
The best time to visit Gretna is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Gretna?
Gretna is located at approximately 29.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Gretna?
The wettest period in Gretna is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Gretna?
For visits to Gretna during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Gretna in?
Gretna is located in United States, in the state of Louisiana.
What are the public holidays in Gretna in 2026?
View the 2026 public holidays for Gretna on our Holidays page.
What are the GPS coordinates used for the weather forecast in Gretna?
The weather forecast for Gretna uses coordinates 29.9146, -90.054.