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Monthly
Forecasts
Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Westborough, MA
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December
Average Temperature
High
4°
Feels 2
Low
-4°
Feels -7
Average Precipitation
11 Days
Rain amount
54.7mm
Snow amount
28.2cm
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Daily Historical Averages
December 2025
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
20
21
22
23
24
25
4°
26
-5°
27
-6°
28
1°
29
6°
30
-3°
31
0°
Forecast
Thursday, December 25, 2025
Day
4°
Feels 1
Wind
21 km/h SW
Gust
32 km/h
Humidity
50%
P.O.P
40%
Snow
<1 cm
Night
-11°
Feels -18
Wind
22 km/h N
Gust
33 km/h
Humidity
53%
P.O.P
20%
Historical Averages
Dec 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.