As of 17:51 CDT

Grand Isle, LA weather in January

85°

Grand Isle, Sunday, 9 August, 17:51

Overcast. Feels like 94°. High 86°, low 82°.

Pressure30.03 inHg

Wind11.3 mph SE

Humidity70%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

In January, Grand Isle, LA averages a high of 61° and a low of 54.6°. About 4.7 inches of precipitation fall over the month (10 wet days). The record high is 75.7° (2022) and the record low 25.3° (1985). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.6°	56.8°	42%	75.7° (2022)	35.8° (2018)
2	62.1°	55°	37%	75° (2022)	37.4° (1979)
3	60.3°	54.7°	40%	71.4° (1972)	34.3° (1979)
4	60.8°	53.4°	35%	72.3° (1972)	36.9° (1999)
5	61.2°	54.7°	25%	71.1° (2025)	36.5° (2010)
6	63°	55.6°	33%	71.2° (2022)	36.5° (2014)
7	61.7°	54.7°	38%	70.2° (1989)	32.4° (1970)
8	60.6°	53.8°	33%	71.2° (2022)	34° (1996)
9	61.2°	54.9°	32%	72.7° (2022)	33.3° (2010)
10	61.2°	54°	33%	72.1° (1975)	30.4° (1962)
11	60.4°	54.3°	32%	71.6° (2020)	25.7° (1962)
12	60.8°	54.1°	27%	70.9° (1989)	27.3° (1962)
13	59.7°	53.6°	35%	72.3° (1972)	33.1° (1964)
14	59.5°	52.9°	23%	70.3° (1972)	32.5° (1982)
15	60.1°	54°	27%	68.7° (2020)	36.5° (1978)
16	60.4°	53.4°	28%	68.2° (1974)	36.5° (2024)
17	60.4°	54°	30%	68.5° (2017)	29.8° (2018)
18	61.2°	55.6°	30%	70° (2023)	35.2° (2018)
19	61.5°	54.1°	37%	69.8° (1974)	31.1° (1977)
20	59.9°	53.1°	28%	70.5° (1993)	33.3° (1985)
21	59.5°	53.2°	30%	72.1° (2017)	25.3° (1985)
22	60.4°	54.9°	33%	71.6° (2017)	33.4° (2025)
23	61.5°	54.7°	40%	70.9° (1974)	39° (1963)
24	61.2°	54.3°	37%	71.2° (1974)	30.4° (1963)
25	61.5°	55.2°	37%	70.7° (1974)	39.2° (1963)
26	61.3°	55.6°	33%	72° (1974)	41.2° (1988)
27	61.5°	55.4°	35%	71.1° (1974)	38.7° (1961)
28	61.5°	55.2°	25%	72° (1974)	38.5° (2014)
29	61.5°	55.8°	27%	69.8° (2013)	37.4° (2014)
30	61.9°	55.8°	33%	70.3° (2013)	29.7° (1966)
31	61.9°	55.8°	32%	70.2° (1974)	37.8° (1966)