Grand Isle State Park Weather Forecast
- 80
- 88
Chance Thunderstorms
- 81
- 87
Rain Showers Likely
- 81
- 89
Rain Showers Likely
- 81
- 90
Chance Thunderstorms
- 81
- 91
Chance Rain Showers
- 82
- 90
Chance Thunderstorms
- 81
- 89
Rain Showers Likely
Today 30 Jun Coastal Jefferson
Showers likely with a chance of Thunderstorms. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 30 Jun Coastal Jefferson
Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Thunderstorms in the evening. A chance of Showers. Humid with Lows in the mid 70s. South Winds around 5 Mph, becoming southwest after midnight. Chance of rain 50 percent.
Grand Isle State Park Temperature Statistics
June Temperature
Port Fourchon (17.4 miles)
Lowest
–Average June
–Highest
–
Climate (2020–Present)
Port Fourchon (17.4 miles)
Average Low 2020–2020
79.7 °FAverage 2020–2020
83.5 °FAverage High 2020–2020
86.9 °F