Hourly Weather Forecast - South Grafton, MA

12 AM
29°F
0%
12mph
W
Partly Cloudy
Humidity
58%
Feels like
19°F
Dew Point
16°F
1 AM
28°F
0%
11mph
W
Mostly Clear
Humidity
57%
Feels like
18°F
Dew Point
14°F
2 AM
27°F
0%
11mph
WNW
Mostly Clear
Humidity
55%
Feels like
17°F
Dew Point
13°F
3 AM
27°F
0%
11mph
WNW
Mostly Clear
Humidity
54%
Feels like
17°F
Dew Point
12°F
4 AM
26°F
0%
10mph
WNW
Clear
Humidity
54%
Feels like
16°F
Dew Point
12°F
5 AM
26°F
0%
9mph
WNW
Clear
Humidity
53%
Feels like
16°F
Dew Point
11°F
6 AM
25°F
0%
8mph
WNW
Clear
Humidity
50%
Feels like
16°F
Dew Point
9°F
7 AM
25°F
0%
7mph
WNW
Clear
Humidity
49%
Feels like
17°F
Dew Point
8°F
7:11 AM
8 AM
25°F
0%
6mph
WNW
Mostly Sunny
Humidity
47%
Feels like
18°F
Dew Point
8°F
9 AM
26°F
0%
6mph
WNW
Partly Cloudy
Humidity
44%
Feels like
20°F
Dew Point
7°F
10 AM
28°F
0%
5mph
W
Partly Cloudy
Humidity
42%
Feels like
22°F
Dew Point
8°F
11 AM
29°F
0%
5mph
W
Partly Cloudy
Humidity
39%
Feels like
24°F
Dew Point
8°F
12 PM
31°F
0%
5mph
W
Mostly Cloudy
Humidity
37%
Feels like
25°F
Dew Point
7°F
1 PM
31°F
10%
5mph
W
Mostly Cloudy
Humidity
37%
Feels like
26°F
Dew Point
8°F
2 PM
31°F
10%
4mph
W
Mostly Cloudy
Humidity
38%
Feels like
27°F
Dew Point
9°F
3 PM
31°F
10%
4mph
WSW
Mostly Cloudy
Humidity
39%
Feels like
27°F
Dew Point
9°F
4 PM
30°F
10%
3mph
WSW
Mostly Cloudy
Humidity
42%
Feels like
27°F
Dew Point
10°F
4:17 PM
5 PM
29°F
10%
3mph
SW
Mostly Cloudy
Humidity
46%
Feels like
26°F
Dew Point
11°F
6 PM
29°F
10%
4mph
SSW
Cloudy
Humidity
50%
Feels like
25°F
Dew Point
13°F
7 PM
29°F
10%
4mph
SSW
Cloudy
Humidity
52%
Feels like
24°F
Dew Point
14°F
8 PM
29°F
10%
5mph
SSW
Mostly Cloudy
Humidity
57%
Feels like
24°F
Dew Point
16°F
9 PM
30°F
10%
6mph
SSW
Mostly Cloudy
Humidity
61%
Feels like
23°F
Dew Point
18°F
10 PM
30°F
10%
7mph
SSW
Partly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
20°F
11 PM
30°F
10%
7mph
SSW
Partly Cloudy
Humidity
69%
Feels like
23°F
Dew Point
21°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.

Tuesday's Weather Outlook

Tuesday'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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