Grand Isle State Park Weather Forecast
- 62
- 67
Mostly Sunny
- 70
- 74
Partly Sunny
- 70
- 76
Partly Sunny
- 68
- 74
Partly Sunny
- 70
- 74
Partly Sunny
- 56
- 75
Slight Chance Rain Showers
Today 23 Nov Coastal Jefferson
Sunny. Highs in the upper 60s. East Winds around 5 Mph.
Tonight 23 Nov Coastal Jefferson
Mostly clear. Lows in the mid 50s. Southeast Winds around 5 Mph.
Grand Isle State Park Temperature Statistics
November Temperature
Port Fourchon (17.4 miles)
Lowest
–Average November
–Highest
–
Climate (2019–Present)
Port Fourchon (17.4 miles)
Average Low 2019–2020
68.8 °FAverage 2019–2020
73 °FAverage High 2019–2020
77 °F