Slidell Weather Forecast 15 Days, Weather in Slidell Today

Current weather conditions and 15 day weather forecast for Slidell, 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 Slidell

25 December 2025 Thursday
21.1 ° C / 70°F
Partly Cloudy
Partly Cloudy
Feels Like : 21.1 ° C / 70°F
Humidity : % 81
Pressure : 1025 mb
Wind Speed : 7.9 kmph / 4.9 miles from SESE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Slidell, LA, USA

Weather Forecast for next 15 Days for Slidell 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 Slidell, 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
24 December 2025 Wednesday Fog Fog 15.6 ° C
(60.1°F)
22.6 ° C
(72.7°F)
18.7 ° C
(65.7°F)
% 94 0% 0.8 Sunrise:06:53 AM
Sunset: 05:05 PM
Moonrise:10:13 AM
Moonset: 09:29 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Overcast  Overcast 15.1 ° C
(59.2°F)
17.3 ° C
(63.1°F)
16.3 ° C
(61.3°F)
% 96 0% 0.8 Sunrise:06:54 AM
Sunset: 05:06 PM
Moonrise:10:43 AM
Moonset: 10:28 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Mist Mist 15.9 ° C
(60.6°F)
20.3 ° C
(68.5°F)
17.9 ° C
(64.2°F)
% 93 0% 0.8 Sunrise:06:54 AM
Sunset: 05:06 PM
Moonrise:11:12 AM
Moonset: 11:29 PM
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Mist Mist 17.7 ° C
(63.9°F)
24.3 ° C
(75.7°F)
20.5 ° C
(68.8°F)
% 87 0% 0.8 Sunrise:06:55 AM
Sunset: 05:07 PM
Moonrise:11:41 AM
Moonset: No moonset
Moon Phase
( First Quarter )
28 December 2025 Sunday Sunny Sunny 16.3 ° C
(61.4°F)
23 ° C
(73.5°F)
19.1 ° C
(66.4°F)
% 86 0% 0.8 Sunrise:06:55 AM
Sunset: 05:07 PM
Moonrise:12:12 PM
Moonset: 12:31 AM
Moon Phase
( Waxing Gibbous )
29 December 2025 Monday Patchy rain nearby Patchy rain nearby 6.3 ° C
(43.4°F)
17.2 ° C
(62.9°F)
14.4 ° C
(58°F)
% 85 78% 0 Sunrise:06:55 AM
Sunset: 05:08 PM
Moonrise:12:47 PM
Moonset: 01:37 AM
Moon Phase
( Waxing Gibbous )
30 December 2025 Tuesday Sunny Sunny 1.6 ° C
(34.9°F)
10 ° C
(49.9°F)
4.7 ° C
(40.4°F)
% 43 0% 2 Sunrise:06:55 AM
Sunset: 05:09 PM
Moonrise:01:28 PM
Moonset: 02:46 AM
Moon Phase
( Waxing Gibbous )
31 December 2025 Wednesday Sunny Sunny 0.5 ° C
(33°F)
11.8 ° C
(53.2°F)
5.6 ° C
(42.1°F)
% 45 0% 3 Sunrise:06:56 AM
Sunset: 05:09 PM
Moonrise:02:17 PM
Moonset: 03:58 AM
Moon Phase
( Waxing Gibbous )
01 January 2026 Thursday Sunny Sunny 4.9 ° C
(40.9°F)
14.8 ° C
(58.6°F)
9.3 ° C
(48.7°F)
% 51 0% 3 Sunrise:06:56 AM
Sunset: 05:10 PM
Moonrise:03:16 PM
Moonset: 05:12 AM
Moon Phase
( Waxing Gibbous )
02 January 2026 Friday Sunny Sunny 7.2 ° C
(45°F)
17.4 ° C
(63.3°F)
11.7 ° C
(53.1°F)
% 68 0% 4 Sunrise:06:56 AM
Sunset: 05:11 PM
Moonrise:04:23 PM
Moonset: 06:21 AM
Moon Phase
( Waxing Gibbous )
03 January 2026 Saturday Overcast  Overcast 12.4 ° C
(54.3°F)
18.6 ° C
(65.4°F)
15.6 ° C
(60°F)
% 83 0% 4 Sunrise:06:56 AM
Sunset: 05:12 PM
Moonrise:05:36 PM
Moonset: 07:22 AM
Moon Phase
( Full Moon )
04 January 2026 Sunday Partly Cloudy  Partly Cloudy 16.7 ° C
(62°F)
19.9 ° C
(67.8°F)
17.9 ° C
(64.2°F)
% 77 0% 5 Sunrise:06:57 AM
Sunset: 05:12 PM
Moonrise:06:47 PM
Moonset: 08:13 AM
Moon Phase
( Waning Gibbous )
05 January 2026 Monday Sunny Sunny 14.6 ° C
(58.4°F)
21.1 ° C
(70°F)
17.3 ° C
(63.1°F)
% 81 0% 5 Sunrise:06:57 AM
Sunset: 05:13 PM
Moonrise:07:56 PM
Moonset: 08:55 AM
Moon Phase
( Waning Gibbous )
06 January 2026 Tuesday Sunny Sunny 14.2 ° C
(57.6°F)
21.3 ° C
(70.4°F)
17.2 ° C
(62.9°F)
% 79 0% 5 Sunrise:06:57 AM
Sunset: 05:14 PM
Moonrise:09:00 PM
Moonset: 09:31 AM
Moon Phase
( Waning Gibbous )
Slidell Weather forecasts are usually fully updated every 4 hours.
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