As of 15:52 EDT

Islip, NY weather in May

63°

Islip, Wednesday, 7 October, 15:52

Clear. Feels like 62°. High 65°, low 39°.

Pressure29.94 inHg

Wind16.1 mph S

Humidity55%

Visibility6.2 mi

Dew point47°

See detailed hourly forecast

In May, Islip, NY averages a high of 63.8° and a low of 52.6°. About 4.0 inches of precipitation fall over the month (11 wet days). The record high is 87.8° (2021) and the record low 34.9° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	60.3°	48°	33%	72.9° (2010)	38.3° (1978)
2	60.3°	49.3°	45%	74.7° (2001)	39.2° (1978)
3	59.7°	49.1°	42%	76.3° (2001)	41.2° (1964)
4	60.3°	49.1°	40%	78.8° (2001)	39.4° (1964)
5	59.9°	48.7°	32%	74.1° (2000)	41.7° (1978)
6	60.8°	49.6°	45%	77.2° (1986)	40.3° (1992)
7	61.2°	48.9°	28%	79° (2000)	39° (1970)
8	59.9°	49.1°	37%	76.6° (2000)	40.6° (1967)
9	60.3°	49.5°	40%	76.5° (1964)	34.9° (2020)
10	62.4°	50.5°	30%	79.2° (1979)	36.5° (1966)
11	62.8°	51.1°	28%	77.2° (1993)	40.8° (1966)
12	62.8°	51.6°	37%	78.1° (1991)	41.2° (2020)
13	62.1°	51.1°	28%	75.4° (2023)	39° (2020)
14	62.2°	50.7°	35%	77.7° (1991)	38.3° (2020)
15	63.1°	51.8°	38%	75.7° (1976)	44.4° (1966)
16	63.5°	52.9°	45%	73.8° (1998)	43.5° (2016)
17	64.8°	53.1°	37%	77.9° (1974)	42.6° (1983)
18	63.9°	52.9°	38%	81.3° (1977)	43.5° (2002)
19	63.5°	52.9°	42%	79.5° (2021)	43.5° (1976)
20	64.9°	53.4°	27%	82.2° (1996)	44.2° (2002)
21	65.3°	54°	27%	81.1° (1962)	43.3° (2020)
22	66.2°	54.5°	33%	82.9° (1992)	46° (1990)
23	66.4°	54.7°	32%	87.8° (2021)	46.8° (2006)
24	67.1°	55.4°	32%	77.4° (1975)	44.6° (1963)
25	65.5°	55.2°	33%	81.5° (1991)	42.6° (1967)
26	66.6°	55.9°	35%	82.4° (2010)	43° (1967)
27	67.1°	56.3°	25%	78.8° (2021)	45.3° (1961)
28	67.6°	56.5°	35%	83.8° (1991)	45.3° (1961)
29	68°	57.4°	32%	84.4° (1987)	48° (2021)
30	68.7°	57.9°	33%	84.9° (1987)	48.4° (2021)
31	70°	58.6°	35%	83.7° (2022)	49.6° (1967)