As of 18:42 EDT

Stony Brook University, NY weather in May

85°

Stony Brook University, Sunday, 9 August, 18:42

Clear. Feels like 90°. High 89°, low 72°.

Pressure29.94 inHg

Wind14 mph NW

Humidity62%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In May, Stony Brook University, NY averages a high of 65.4° and a low of 51.9°. About 3.9 inches of precipitation fall over the month (11 wet days). The record high is 92.5° (2022) and the record low 34.5° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	62.4°	47.1°	35%	76.8° (1985)	37.2° (1978)
2	62.2°	48.4°	42%	83.1° (2018)	38.1° (1978)
3	61.2°	48.4°	45%	84.2° (2018)	40.1° (1964)
4	61.9°	48.4°	38%	83.8° (2001)	39° (1964)
5	61°	48°	30%	77° (2000)	41.2° (1978)
6	62.2°	48.7°	47%	80.2° (1986)	39.2° (1992)
7	62.8°	48°	28%	82.8° (2000)	37.2° (2020)
8	61.2°	48.4°	42%	81.3° (2000)	39.7° (1967)
9	61.5°	48.7°	40%	79.3° (1964)	34.5° (2020)
10	63.7°	49.6°	35%	83.8° (1979)	35.6° (1966)
11	64°	50.4°	28%	80.2° (1993)	39.6° (1966)
12	64.4°	50.7°	38%	82.4° (2023)	40.8° (2020)
13	63.5°	50.2°	28%	79.5° (2023)	38.7° (2020)
14	63.9°	50.2°	32%	80.6° (1991)	39.9° (2020)
15	65.1°	51.3°	38%	79.9° (2020)	42.8° (1966)
16	65.1°	52.3°	47%	75.7° (2025)	42.4° (2016)
17	66.4°	52.3°	42%	80.8° (1977)	41.7° (1983)
18	65.3°	52.2°	37%	89.1° (2017)	42.4° (2002)
19	64.8°	52.2°	47%	86.9° (2017)	43° (2002)
20	66.9°	52.7°	30%	85.6° (1996)	42.8° (2002)
21	67.3°	53.4°	27%	87.1° (2022)	42.3° (2020)
22	68°	54°	30%	88° (2021)	45° (1990)
23	68°	54°	32%	88.5° (2021)	45.7° (2006)
24	68.5°	54.7°	35%	84.2° (2024)	43.5° (1963)
25	67.1°	54.7°	32%	84.7° (1991)	41.2° (1967)
26	68.5°	55.2°	35%	87.1° (2010)	41.5° (1967)
27	69.1°	55.6°	25%	80.2° (1965)	43.9° (1961)
28	69.6°	55.8°	35%	84.9° (1977)	43.7° (1961)
29	69.8°	56.7°	32%	86.7° (1969)	46° (2021)
30	70.7°	57.4°	28%	86.7° (1987)	47.8° (2021)
31	71.6°	58.1°	37%	92.5° (2022)	46.6° (2023)