As of 23:30 EDT

Iselin, NJ weather in August

77°

Iselin, Saturday, 8 August, 23:30

Mostly clear. Feels like 78°. High 87°, low 71°.

Pressure29.97 inHg

Wind2 mph SW

Humidity80%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In August, Iselin, NJ averages a high of 82.6° and a low of 67.1°. About 4.1 inches of precipitation fall over the month (11 wet days). The record high is 101.1° (2001) and the record low 50.2° (1986). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	84.7°	68.5°	38%	99.1° (2006)	59.5° (1964)
2	85.5°	69.1°	38%	100.8° (2006)	59.4° (2023)
3	85.5°	69.6°	45%	99.9° (2006)	60.1° (1985)
4	85.3°	69.6°	47%	98.2° (2022)	57.6° (1964)
5	84.4°	68.5°	42%	97.3° (2005)	59.9° (1972)
6	83.3°	67.6°	40%	93° (2024)	57.4° (1994)
7	82.8°	67.6°	42%	97° (2001)	56.8° (2004)
8	83.7°	68°	32%	97.3° (2001)	57.4° (2004)
9	84.2°	68.4°	28%	101.1° (2001)	57.2° (1989)
10	83.8°	68.4°	42%	99° (2001)	57.6° (1964)
11	83.1°	68°	43%	94.8° (2005)	55.9° (1972)
12	82.2°	67.5°	45%	97° (2021)	57.2° (1979)
13	82.6°	67.6°	37%	98.1° (2005)	56.8° (1979)
14	83.5°	67.3°	40%	97.9° (2002)	56.1° (1964)
15	82.6°	67.5°	40%	96.4° (1988)	55.4° (1964)
16	82.9°	67.3°	38%	93.9° (1997)	56.3° (1979)
17	83.3°	67.8°	45%	95° (2025)	55.4° (1979)
18	81.7°	67.5°	38%	93.2° (2002)	57.6° (1979)
19	81.3°	66.2°	25%	92.7° (2022)	57.9° (1963)
20	80.8°	66.2°	35%	94.3° (1983)	58.1° (1990)
21	81°	65.3°	28%	94.6° (1995)	54° (2024)
22	80.4°	65.3°	25%	91.4° (1976)	54.3° (2024)
23	80.4°	64.6°	35%	90° (1964)	55.6° (2024)
24	81.1°	64.8°	23%	93.2° (1998)	54° (1971)
25	82°	65.1°	17%	96.4° (1968)	55° (1971)
26	82.2°	65.5°	23%	92.3° (1993)	56.3° (1963)
27	82.4°	66.6°	35%	93.4° (1980)	57.7° (1969)
28	81.9°	67.3°	43%	95.5° (1973)	56.8° (2025)
29	81°	66.6°	32%	93.2° (2010)	50.4° (1982)
30	81.5°	65.7°	25%	95.4° (1973)	50.2° (1986)
31	81°	65.3°	17%	94.6° (2010)	51.6° (1976)