Port Sulphur Weather Forecast 15 Days, Weather in Port Sulphur Today
Current weather conditions and 15 day weather forecast for Port Sulphur, Louisiana, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Port Sulphur
| 18 December 2025 Thursday 15.6 ° C / 60.1°F  Overcast |
Feels Like : 15.6 ° C / 60.1°F Humidity : % 90 Pressure : 1016 mb Wind Speed : 20.2 kmph / 12.5 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Port Sulphur, LA, USA
Weather Forecast for next 15 Days for Port Sulphur including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Port Sulphur, Louisiana state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday |  Patchy rain nearby |
12 ° C (53.6°F) |
18.9 ° C (66°F) |
16.3 ° C (61.4°F) |
% 91 | 88% | 0.2 | Sunrise:06:47 AM Sunset: 05:03 PM |
Moonrise:04:47 AM Moonset: 03:05 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
16.7 ° C (62.1°F) |
23.4 ° C (74.1°F) |
19.5 ° C (67.1°F) |
% 90 | 83% | 0.8 | Sunrise:06:48 AM Sunset: 05:03 PM |
Moonrise:05:44 AM Moonset: 03:49 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Partly Cloudy |
14.3 ° C (57.7°F) |
18.3 ° C (64.9°F) |
17.3 ° C (63.2°F) |
% 74 | 0% | 0.8 | Sunrise:06:48 AM Sunset: 05:04 PM |
Moonrise:06:39 AM Moonset: 04:38 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
14 ° C (57.2°F) |
20.4 ° C (68.7°F) |
16.9 ° C (62.4°F) |
% 77 | 0% | 0.8 | Sunrise:06:49 AM Sunset: 05:04 PM |
Moonrise:07:32 AM Moonset: 05:33 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Cloudy |
17.6 ° C (63.7°F) |
22 ° C (71.5°F) |
19.2 ° C (66.6°F) |
% 81 | 0% | 0.5 | Sunrise:06:49 AM Sunset: 05:05 PM |
Moonrise:08:19 AM Moonset: 06:31 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Sunny |
16.5 ° C (61.7°F) |
22.1 ° C (71.8°F) |
18.1 ° C (64.6°F) |
% 81 | 0% | 0 | Sunrise:06:50 AM Sunset: 05:05 PM |
Moonrise:09:01 AM Moonset: 07:31 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
17.4 ° C (63.3°F) |
22 ° C (71.6°F) |
19 ° C (66.2°F) |
% 85 | 0% | 5 | Sunrise:06:50 AM Sunset: 05:06 PM |
Moonrise:09:38 AM Moonset: 08:30 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
17.7 ° C (63.8°F) |
22.8 ° C (73°F) |
19.6 ° C (67.3°F) |
% 80 | 0% | 5 | Sunrise:06:51 AM Sunset: 05:06 PM |
Moonrise:10:11 AM Moonset: 09:30 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
18.1 ° C (64.6°F) |
23.5 ° C (74.3°F) |
20.1 ° C (68.2°F) |
% 78 | 0% | 6 | Sunrise:06:51 AM Sunset: 05:07 PM |
Moonrise:10:41 AM Moonset: 10:28 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Sunny |
17.2 ° C (63°F) |
23 ° C (73.4°F) |
19.7 ° C (67.4°F) |
% 77 | 0% | 5 | Sunrise:06:52 AM Sunset: 05:08 PM |
Moonrise:11:11 AM Moonset: 11:29 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Cloudy |
18.4 ° C (65.2°F) |
23.3 ° C (74°F) |
20.4 ° C (68.7°F) |
% 76 | 0% | 5 | Sunrise:06:52 AM Sunset: 05:08 PM |
Moonrise:11:41 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
17.4 ° C (63.4°F) |
22.5 ° C (72.6°F) |
19.6 ° C (67.4°F) |
% 75 | 0% | 5 | Sunrise:06:52 AM Sunset: 05:09 PM |
Moonrise:12:12 PM Moonset: 12:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
19.5 ° C (67.2°F) |
23.4 ° C (74.2°F) |
20.9 ° C (69.6°F) |
% 76 | 0% | 5 | Sunrise:06:53 AM Sunset: 05:10 PM |
Moonrise:12:48 PM Moonset: 01:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Moderate rain |
18.9 ° C (66.1°F) |
20.6 ° C (69°F) |
19.7 ° C (67.4°F) |
% 91 | 75% | 4 | Sunrise:06:53 AM Sunset: 05:10 PM |
Moonrise:01:30 PM Moonset: 02:43 AM Moon Phase ( Waxing Gibbous ) |
|
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