Monthly Historical AveragesNewcastle, WY
Average Temperature
High
19°
Feels 18
Low
5°
Feels 3
Average Precipitation
11 Days
44.6mm
0.4cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, May 30, 2026
Day
23°Feels 23
Wind
18 km/h S
Gust
27 km/h
Humidity
50%
P.O.P
60%
Rain
~5 mm
Night
10°Feels 9
Wind
16 km/h E
Gust
24 km/h
Humidity
88%
P.O.P
60%
Rain
~5 mm
Historical AveragesMay 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity