Hourly Weather Forecast - South Grafton, MA

12 AM
25°F
0%
7mph
SW
Mostly Clear
Humidity
72%
Feels like
18°F
Dew Point
17°F
1 AM
26°F
0%
7mph
SW
Mostly Clear
Humidity
71%
Feels like
17°F
Dew Point
17°F
2 AM
26°F
0%
8mph
SW
Mostly Clear
Humidity
70%
Feels like
18°F
Dew Point
17°F
3 AM
26°F
0%
9mph
SW
Mostly Clear
Humidity
69%
Feels like
17°F
Dew Point
17°F
4 AM
27°F
0%
9mph
SW
Partly Cloudy
Humidity
69%
Feels like
18°F
Dew Point
18°F
5 AM
27°F
0%
9mph
SW
Partly Cloudy
Humidity
69%
Feels like
19°F
Dew Point
19°F
6 AM
28°F
0%
9mph
SW
Partly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
20°F
7 AM
30°F
0%
9mph
SW
Partly Cloudy
Humidity
72%
Feels like
22°F
Dew Point
22°F
7:09 AM
8 AM
32°F
0%
9mph
SW
Mostly Sunny
Humidity
71%
Feels like
25°F
Dew Point
24°F
9 AM
35°F
0%
9mph
SW
Partly Cloudy
Humidity
69%
Feels like
28°F
Dew Point
26°F
10 AM
37°F
0%
9mph
SW
Mostly Cloudy
Humidity
67%
Feels like
31°F
Dew Point
27°F
11 AM
39°F
0%
9mph
SW
Mostly Cloudy
Humidity
67%
Feels like
32°F
Dew Point
29°F
12 PM
40°F
0%
9mph
SW
Mostly Cloudy
Humidity
69%
Feels like
33°F
Dew Point
30°F
1 PM
40°F
0%
9mph
SW
Mostly Cloudy
Humidity
71%
Feels like
34°F
Dew Point
31°F
2 PM
40°F
0%
9mph
SW
Mostly Cloudy
Humidity
72%
Feels like
34°F
Dew Point
32°F
3 PM
39°F
0%
8mph
SW
Mostly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
31°F
4 PM
38°F
0%
8mph
WSW
Partly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
30°F
4:16 PM
5 PM
37°F
0%
7mph
WSW
Partly Cloudy
Humidity
73%
Feels like
31°F
Dew Point
29°F
6 PM
36°F
0%
6mph
WSW
Mostly Cloudy
Humidity
74%
Feels like
31°F
Dew Point
29°F
7 PM
36°F
0%
6mph
W
Partly Cloudy
Humidity
72%
Feels like
31°F
Dew Point
28°F
8 PM
36°F
0%
6mph
W
Partly Cloudy
Humidity
71%
Feels like
31°F
Dew Point
28°F
9 PM
36°F
0%
6mph
W
Partly Cloudy
Humidity
71%
Feels like
31°F
Dew Point
27°F
10 PM
35°F
0%
6mph
W
Partly Cloudy
Humidity
73%
Feels like
30°F
Dew Point
27°F
11 PM
34°F
0%
5mph
W
Mostly Clear
Humidity
74%
Feels like
30°F
Dew Point
27°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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