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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Sewaren, NJ
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May
Average Temperature
High
22°
Feels 22
Low
12°
Feels 11
Average Precipitation
11 Days
Rain amount
72.3mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
35°
21
18°
22
16°
23
12°
24
16°
25
19°
26
23°
27
25°
28
25°
29
23°
30
24°
31
24°
Forecast
Wednesday, May 20, 2026
Day
35°
Feels 35
Wind
21 km/h W
Gust
33 km/h
Humidity
36%
P.O.P
40%
Rain
~1 mm
Night
15°
Feels 14
Wind
25 km/h N
Gust
38 km/h
Humidity
88%
P.O.P
80%
Rain
2-4 mm
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.