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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Westborough, MA
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
9°
Feels 8
Average Precipitation
11 Days
Rain amount
69.3mm
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
18
19
34°
20
31°
21
19°
22
20°
23
15°
24
13°
25
17°
26
20°
27
21°
28
21°
29
22°
30
22°
31
22°
Forecast
Tuesday, May 19, 2026
Day
34°
Feels 34
Wind
24 km/h W
Gust
36 km/h
Humidity
32%
P.O.P
20%
Night
24°
Feels 24
Wind
20 km/h SW
Gust
30 km/h
Humidity
61%
P.O.P
30%
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.