Lake Pontchartrain - Tchefuncta River Entrance Weather Forecast
- 79
- 89
Thunderstorms
- 79
- 88
Thunderstorms
- 79
- 90
Thunderstorms
- 78
- 93
Chance Thunderstorms
- 81
- 95
Mostly Sunny
- 79
- 96
Slight Chance Thunderstorms
Today 24 Jul Southwestern St. Tammany
Partly sunny with a chance of Showers and Thunderstorms in the Morning, then mostly cloudy with Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. Temperature falling into the mid 80s in the afternoon. East Winds 5 to 10 Mph. Chance of rain 90 percent. Heat index Values up to 106.
Tonight 24 Jul Southwestern St. Tammany
Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. North Winds around 5 Mph. Chance of rain 20 percent.
Lake Pontchartrain - Tchefuncta River Entrance Temperature Statistics
July Temperature
Hammond, Hammond Municipal Airport (18 miles)
Lowest 11 July, 2025
69.8 °FAverage July
81.6 °FHighest 21 July, 2025
95.7 °F
Climate (2020–Present)
Hammond, Hammond Municipal Airport (18 miles)
Average Low 2020–2025
58.5 °FAverage 2020–2025
67.9 °FAverage High 2020–2025
78.6 °F