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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
New Castle, IN
Content continues below
May
Average Temperature
High
23°
Feels 23
Low
12°
Feels 11
Average Precipitation
13 Days
Rain amount
109.7mm
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
28°
18
27°
19
26°
20
19°
21
18°
22
23°
23
23°
24
25°
25
26°
26
24°
27
26°
28
27°
29
26°
30
28°
31
26°
Forecast
Sunday, May 17, 2026
Day
28°
Feels 28
Wind
25 km/h S
Gust
38 km/h
Humidity
45%
P.O.P
30%
Night
19°
Feels 19
Wind
22 km/h SE
Gust
33 km/h
Humidity
83%
P.O.P
0%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.