As of 14:21 CDT

Grand Isle, LA weather in April

87°

Grand Isle, Sunday, 9 August, 14:21

Overcast. Feels like 94°. High 87°, low 82°.

Pressure30.06 inHg

Wind10.9 mph SE

Humidity65%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In April, Grand Isle, LA averages a high of 71.7° and a low of 68°. About 3.1 inches of precipitation fall over the month (6 wet days). The record high is 79.7° (2006) and the record low 45° (1987). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	68.9°	65.1°	17%	75.7° (2012)	54.5° (1961)
2	69.6°	65.5°	20%	76.6° (2025)	54.1° (1993)
3	70°	66.2°	23%	76.8° (2025)	45° (1987)
4	69.8°	65.8°	27%	76.8° (2025)	49.1° (1987)
5	69.4°	64.9°	33%	78.8° (2017)	51.6° (1987)
6	69.4°	64.9°	25%	76.8° (2025)	50.9° (1971)
7	69.8°	65.5°	17%	75.4° (2023)	46.4° (1971)
8	70.3°	66.2°	30%	75.9° (1974)	50° (2007)
9	70.2°	65.7°	13%	77° (2020)	52.5° (2003)
10	70.3°	66.6°	23%	76.6° (2012)	50° (2003)
11	70.7°	66.9°	23%	76.8° (2012)	52.5° (1988)
12	71.2°	67.5°	25%	78.1° (2020)	53.4° (1988)
13	71.6°	68°	30%	77.2° (2020)	52.9° (2004)
14	71.6°	67.8°	30%	75.9° (1972)	50.9° (1980)
15	71.2°	66.9°	18%	77.7° (2012)	52.9° (2014)
16	70.9°	67.3°	15%	78.4° (1972)	54.5° (1961)
17	71.4°	68.2°	17%	76.1° (1972)	58.5° (1984)
18	72°	68.9°	30%	77.4° (1967)	57.9° (2001)
19	72.3°	68.4°	22%	76.8° (2006)	57° (2013)
20	72.3°	69.3°	13%	77° (1995)	57.7° (2013)
21	72.9°	69.4°	17%	78.1° (2000)	59.7° (2021)
22	73.2°	69.6°	17%	77° (2002)	60.3° (1993)
23	73.6°	70°	27%	77.4° (2011)	61.3° (1982)
24	73.6°	70°	17%	79.2° (2000)	61° (1983)
25	73.9°	70.5°	23%	79.7° (2006)	62.1° (1983)
26	74.3°	70.7°	22%	78.1° (2002)	60.8° (1978)
27	73.9°	70.7°	15%	78.8° (2002)	60.3° (1980)
28	74.1°	71.1°	15%	79° (2002)	61.9° (1980)
29	74.3°	71.1°	18%	78.8° (1991)	62.4° (1997)
30	74.5°	71.1°	25%	78.6° (1981)	60.4° (1996)