The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Carnegie, PA
Content continues below
May
Average Temperature
High
23°
Feels 23
Low
11°
Feels 10
Average Precipitation
13 Days
Rain amount
79.9mm
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
32°
20
22°
21
21°
22
19°
23
20°
24
24°
25
24°
26
22°
27
24°
28
25°
29
24°
30
24°
31
25°
Forecast
Tuesday, May 19, 2026
Day
32°
Feels 32
Wind
23 km/h SW
Gust
35 km/h
Humidity
41%
P.O.P
40%
Rain
~1 mm
Night
21°
Feels 21
Wind
18 km/h SW
Gust
27 km/h
Humidity
88%
P.O.P
60%
Rain
1-3 mm
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.