Monthly Historical AveragesGrafton, MA
Average Temperature
High
28°
Feels 29
Low
17°
Feels 17
Average Precipitation
12 Days
103.3mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, July 22, 2026
Day
28°Feels 30
Wind
22 km/h SW
Gust
33 km/h
Humidity
62%
P.O.P
60%
Rain
~1 mm
Night
15°Feels 14
Wind
17 km/h W
Gust
26 km/h
Humidity
82%
P.O.P
30%
Historical AveragesJul 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity