Slidell Weather Forecast
- 44
- 75
Rain Showers
- 35
- 60
Partly Sunny
- 34
- 56
Partly Sunny
- 42
- 60
Slight Chance Rain Showers
- 39
- 63
Partly Sunny
- 33
- 54
Mostly Sunny
Today 10 Jan Southeast St. Tammany
Mostly cloudy. Showers likely with a chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Highs in the lower 70s. Temperature falling into the upper 60s in the afternoon. Southwest Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph in the afternoon. Chance of rain 70 percent.
Tonight 10 Jan Southeast St. Tammany
Mostly cloudy. Much cooler. Less humid with Lows in the lower 40s. North Winds 5 to 10 Mph with Gusts up to 30 Mph.
Slidell Temperature Statistics
January Temperature
Slidell, Slidell Airport (5 miles)
Lowest 1 January, 2026
33.1 °FAverage January
61.6 °FHighest 6 January, 2026
78.1 °F
Climate (2021–Present)
Slidell, Slidell Airport (5 miles)
Average Low 2021–2026
59.9 °FAverage 2021–2026
70 °FAverage High 2021–2026
80.6 °F