Monthly Historical AveragesSan Augustine, TX
Average Temperature
High
29°
Feels 31
Low
17°
Feels 17
Average Precipitation
12 Days
193.7mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
31°Feels 33
Wind
23 km/h S
Gust
34 km/h
Humidity
47%
P.O.P
40%
Rain
<1 mm
Night
23°Feels 24
Wind
19 km/h S
Gust
28 km/h
Humidity
95%
P.O.P
40%
Rain
<1 mm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity