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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
New Castle, PA
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
9°
Feels 9
Average Precipitation
12 Days
Rain amount
77.4mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
15°
4
21°
5
20°
6
13°
7
10°
8
12°
9
15°
10
16°
11
16°
12
17°
13
18°
14
19°
15
19°
16
19°
17
19°
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Sunday, May 3, 2026
Day
15°
Feels 14
Wind
21 km/h W
Gust
45 km/h
Humidity
36%
P.O.P
20%
Night
8°
Feels 5
Wind
20 km/h SW
Gust
35 km/h
Humidity
76%
P.O.P
40%
Rain
<1 mm
Historical Averages
May 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.