Weather Gretna long-term weather forecast
Long-term weather forecast for Gretna for ten days.
Thursday, Jan 15
50 / 43°F
| 0.00 in | 10 mph |
| 54 °F | 50 °F | 12 am | |
| 46 °F | 41 °F | 6 am | |
| 46 °F | 41 °F | 12 pm | |
| 50 °F | 45 °F | 6 pm |
sunrise 6:56 am
sunset 5:23 pm
HOURLY
sunset 5:23 pm
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Weather forecast Gretna, Lousiana, USA extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thursday 01/15/2026 |
|||||||||||||
| 12 AM
1 AM
| clear | 54 °F 50 °F |
0.0 in | 18 fps 12 mph north-northwest |
30.0 in | 76 % | 45 °F | 10 % | 0% | 3% | 10% | 0% | |
| 6 AM
7 AM
| clear | 46 °F 41 °F |
0.0 in | 21 fps 14 mph north |
30.1 in | 58 % | 32 °F | 0 % | 0% | 0% | 0% | 0% | |
| 12 PM
1 PM
| clear | 46 °F 41 °F |
0.0 in | 15 fps 10 mph north-northwest |
30.1 in | 51 % | 30 °F | 0 % | 0% | 0% | 0% | 0% | |
| 6 PM
7 PM
| clear | 50 °F 46 °F |
0.0 in | 9 fps 6 mph northwest |
30.1 in | 52 % | 32 °F | 0 % | 0% | 0% | 0% | 0% | |
Friday 01/16/2026 |
|||||||||||||
| 12 AM
1 AM
| clear | 45 °F 41 °F |
0.0 in | 4 fps 3 mph west-northwest |
30.1 in | 67 % | 34 °F | 0 % | 0% | 0% | 0% | 0% | |
| 6 AM
7 AM
| clear | 43 °F 39 °F |
0.0 in | 6 fps 4 mph southwest |
30.1 in | 69 % | 34 °F | 0 % | 0% | 0% | 0% | 0% | |
| 12 PM
1 PM
| clear | 57 °F 54 °F |
0.0 in | 8 fps 5 mph southwest |
30.1 in | 47 % | 36 °F | 0 % | 0% | 0% | 0% | 0% | |
| 6 PM
7 PM
| clear | 57 °F 55 °F |
0.0 in | 1 fps 0 mph east-northeast |
30.1 in | 63 % | 43 °F | 0 % | 0% | 0% | 0% | 0% | |
Gretna, Lousiana, USA - information
State: Lousiana, USAGPS coordinates: 29.9147; -90.0540
Time zone: America / Chicago
time difference in hours with time in NY is -7 hours
Population: 17 880
Altitude: 3 ft
The administrative part:
- Louisiana, Baton Rouge
- Jefferson Parish, Jefferson
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Data source
Weather forecast for Gretna is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Astronomical information Gretna
data are always in the local timeSun and light
Jan. 15, 2026
| Sunrise: | Sunset: |
| 6:56 am | 5:23 pm |
| Noon: | Length of day: |
| 12:09 pm | 10:26 |
| Start of civil twilight*: | End of civil twilight*: |
| 6:30 am | 5:49 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 6:01 am | 6:18 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 5:32 am | 6:46 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 01/15/2026 4:34 am | 01/15/2026 2:32 pm |
| Next new moon: | Next full moon: |
| 01/18/2026 | 02/01/2026 |
