Monthly Historical AveragesSherman, TX
Average Temperature
High
27°
Feels 28
Low
17°
Feels 16
Average Precipitation
11 Days
111.6mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
31°Feels 33
Wind
36 km/h S
Gust
54 km/h
Humidity
48%
P.O.P
100%
Rain
~10 mm
Night
23°Feels 23
Wind
30 km/h S
Gust
46 km/h
Humidity
92%
P.O.P
40%
Rain
~1 mm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity