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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Grand Isle, LA
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April
Average Temperature
High
23°
Feels 24
Low
19°
Feels 19
Average Precipitation
8 Days
Rain amount
77.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
24°
16
24°
17
24°
18
24°
19
21°
20
20°
21
22°
22
23°
23
23°
24
23°
25
23°
26
24°
27
23°
28
24°
29
21°
30
Forecast
Wednesday, April 15, 2026
Day
24°
Feels 24
Wind
28 km/h SE
Gust
41 km/h
Humidity
75%
P.O.P
30%
Night
23°
Feels 23
Wind
27 km/h S
Gust
41 km/h
Humidity
87%
P.O.P
30%
Historical Averages
Apr 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.