As of 18:42 EDT

Stony Brook University, NY weather in August

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 August, Stony Brook University, NY averages a high of 79.1° and a low of 68.1°. About 4.0 inches of precipitation fall over the month (10 wet days). The record high is 94.6° (1975) and the record low 51.4° (1982). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	81°	69.6°	37%	91.9° (2024)	61.9° (1964)
2	81.7°	70.3°	32%	94.6° (1975)	61.7° (2023)
3	81.7°	70.3°	38%	94.1° (2006)	60.4° (2023)
4	81.3°	70.5°	35%	91° (2022)	60.3° (1964)
5	81.1°	69.4°	35%	91.9° (2005)	61° (1972)
6	79.7°	68.7°	38%	90° (2018)	59.2° (1994)
7	79.3°	68.7°	38%	91° (2001)	59.7° (2004)
8	80.1°	69.1°	37%	92.7° (2001)	57.6° (2025)
9	80.8°	69.4°	32%	93.7° (2001)	57.4° (2025)
10	80.2°	69.3°	40%	90.1° (2025)	59.5° (1964)
11	79.5°	68.7°	35%	90.7° (2025)	59.9° (1972)
12	79.3°	68.5°	38%	90.3° (2021)	60.8° (1979)
13	79°	68.7°	35%	93.6° (2002)	58.5° (1979)
14	79.9°	68.5°	33%	90° (2016)	58.8° (1964)
15	79°	68.5°	33%	90.3° (1988)	58.5° (1964)
16	79.3°	68°	30%	88.9° (2018)	57.2° (1979)
17	79.9°	68.9°	37%	90° (2002)	58.8° (1979)
18	78.6°	68.4°	32%	89.2° (2002)	60.4° (2007)
19	78.1°	67.5°	27%	89.4° (2002)	58.6° (2025)
20	77.7°	67.1°	37%	90.9° (1983)	59° (1990)
21	77.7°	66.4°	32%	89.8° (1995)	56.1° (2024)
22	77.4°	66.7°	28%	89.6° (2019)	56.5° (2024)
23	77°	66.4°	33%	87.1° (1976)	59.9° (1994)
24	77.4°	66.2°	23%	87.8° (2022)	55° (1971)
25	78.3°	66.2°	27%	91.4° (2020)	57.4° (1963)
26	78.3°	66.9°	25%	90.9° (2021)	59° (1963)
27	78.8°	67.6°	28%	92.1° (2020)	57.9° (1969)
28	78.4°	67.6°	35%	92.1° (2024)	57.6° (1986)
29	77.4°	67.1°	33%	91.8° (2018)	51.4° (1982)
30	77.7°	66.6°	28%	89.1° (1973)	54° (1965)
31	77.5°	66.4°	18%	92.8° (2010)	54.9° (1976)