As of 19:52 EDT

Stony Brook University, NY weather in June

81°

Stony Brook University, Sunday, 9 August, 19:52

Clear. Feels like 85°. High 89°, low 72°.

Pressure29.94 inHg

Wind15 mph NW

Humidity71%

Visibility6.2 mi

Dew point71°

See detailed hourly forecast

In June, Stony Brook University, NY averages a high of 74.8° and a low of 62.1°. About 3.5 inches of precipitation fall over the month (10 wet days). The record high is 104.7° (2025) and the record low 45.7° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	72.7°	58.1°	33%	84.7° (1989)	45.7° (1967)
2	71.4°	58.1°	35%	85.5° (2018)	50.2° (1966)
3	70.5°	57.9°	42%	84.2° (2024)	50.7° (1986)
4	70.7°	57.6°	40%	86.2° (2020)	49.8° (2023)
5	71.1°	58.5°	33%	89.2° (2025)	50.5° (1997)
6	71.8°	59°	35%	89.6° (2021)	51.4° (2000)
7	72°	59.4°	33%	89.2° (1999)	47.1° (2000)
8	74.3°	60.4°	27%	88.3° (1999)	50.7° (2017)
9	74.1°	60.6°	40%	90.1° (2011)	48.7° (1980)
10	74.3°	60.8°	23%	88.3° (2008)	51.6° (1972)
11	73.9°	61°	20%	88.9° (1973)	45.9° (1972)
12	74.1°	61°	32%	90.9° (2025)	50.9° (1972)
13	72.9°	61.2°	48%	93.2° (2017)	50.7° (1982)
14	72.9°	61.3°	38%	89.4° (1988)	52.7° (1978)
15	74.8°	61.3°	22%	91° (1988)	53.2° (1978)
16	74.5°	62.2°	33%	86.2° (1991)	54.1° (1965)
17	74.5°	62.6°	40%	88.7° (2022)	52.9° (2003)
18	74.7°	62.8°	37%	84.9° (1994)	55° (2003)
19	76.1°	63.9°	42%	91.6° (1994)	55.4° (2022)
20	76.3°	63.9°	25%	88.9° (1995)	56.1° (2022)
21	76.3°	64.2°	30%	92.5° (2012)	54.7° (1968)
22	76.3°	64.6°	38%	91.9° (2025)	56.3° (1992)
23	77.2°	64.4°	30%	98.8° (2025)	53.8° (1992)
24	77.5°	64.8°	32%	104.7° (2025)	56.3° (2022)
25	78.1°	65.3°	32%	101.7° (2025)	56.5° (1979)
26	77.9°	65.1°	32%	89.2° (2024)	55.2° (1979)
27	77.5°	65.7°	30%	92.1° (1963)	57° (1985)
28	78.1°	65.7°	38%	91.6° (2010)	54.3° (1995)
29	78.3°	66.6°	37%	91.9° (2021)	55.2° (1995)
30	78.8°	66.7°	30%	94.5° (2025)	58.8° (1988)