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Mendon, MA

59°F
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Mendon

Massachusetts

59°
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Mendon, MA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

May

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
62°
41°
27
69°
41°
28
65°
40°
29
Some sun, then turning cloudy
59°
46°
30
A.M. rain; otherwise, cloudy
57°
44°
1
Mostly sunny
60°
40°
2
A passing afternoon shower
58°
40°
3
Mainly cloudy and cool
56°
39°
4
Sunshine and some clouds
64°
46°
5
Mostly cloudy, showers around
65°
47°
6
Clouds giving way to some sun
68°
53°
7
Cloudy
67°
51°
8
Rain
61°
44°
9
Decreasing clouds
60°
43°
10
Increasing clouds
64°
45°
11
Mostly cloudy, a little rain
64°
45°
12
Mostly cloudy
63°
44°
13
Times of clouds and sun
64°
44°
14
Turning cloudy
65°
43°
15
Partly sunny
65°
48°
16
Mostly cloudy
66°
46°
17
Turning cloudy
65°
43°
18
Periods of rain
66°
50°
19
Cloudy
68°
50°
20
Mostly cloudy
68°
49°
21
Mainly cloudy, rain ending
69°
51°
22
Rain at times
73°
47°
23
Occasional rain
65°
48°
24
Rather cloudy
67°
51°
25
Plenty of sunshine
68°
47°
26
Times of clouds and sun
69°
49°
27
Rain
68°
48°
28
Rain
67°
53°
29
A little morning rain; cloudy
70°
53°
30
Some sun with a few showers
74°
52°
31
Decreasing clouds
70°
50°
1
Becoming cloudy
70°
47°
2
Decreasing clouds
68°
47°
3
Mostly sunny
69°
48°
4
Some sunshine
69°
48°
5
A shower in the morning
70°
49°
6
Turning cloudy
70°
49°

Temperature Graph

°F
80° 70° 60° 50° 40° May
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 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

May Weather in Mendon

Mendon's May 2026 forecast shows daily high temperatures ranging from 56° to 74°, with overnight lows between 39° and 53°. The average high for May is 66° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mendon. See also: June | July | August.

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World North America United States Massachusetts Mendon

Weather Near Mendon:

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