Hourly Weather Forecast - South Grafton, MA

12 AM
20°F
0%
4mph
WSW
Partly Cloudy
Humidity
74%
Feels like
15°F
Dew Point
13°F
1 AM
20°F
0%
4mph
WSW
Partly Cloudy
Humidity
76%
Feels like
15°F
Dew Point
14°F
2 AM
20°F
0%
4mph
WSW
Cloudy
Humidity
76%
Feels like
15°F
Dew Point
13°F
3 AM
19°F
0%
3mph
WSW
Cloudy
Humidity
78%
Feels like
14°F
Dew Point
13°F
4 AM
19°F
0%
3mph
WSW
Cloudy
Humidity
80%
Feels like
14°F
Dew Point
13°F
5 AM
18°F
0%
2mph
WSW
Mostly Cloudy
Humidity
81%
Feels like
18°F
Dew Point
13°F
6 AM
18°F
0%
2mph
WSW
Partly Cloudy
Humidity
83%
Feels like
18°F
Dew Point
13°F
7 AM
18°F
0%
2mph
W
Partly Cloudy
Humidity
83%
Feels like
18°F
Dew Point
14°F
7:08 AM
8 AM
20°F
0%
2mph
W
Mostly Sunny
Humidity
79%
Feels like
20°F
Dew Point
15°F
9 AM
23°F
0%
2mph
W
Sunny
Humidity
74%
Feels like
23°F
Dew Point
16°F
10 AM
26°F
0%
2mph
W
Sunny
Humidity
67%
Feels like
26°F
Dew Point
17°F
11 AM
29°F
0%
2mph
W
Sunny
Humidity
61%
Feels like
29°F
Dew Point
17°F
12 PM
31°F
0%
2mph
WSW
Sunny
Humidity
57%
Feels like
31°F
Dew Point
17°F
1 PM
31°F
0%
3mph
WSW
Sunny
Humidity
56%
Feels like
31°F
Dew Point
17°F
2 PM
31°F
0%
3mph
WSW
Sunny
Humidity
56%
Feels like
31°F
Dew Point
17°F
3 PM
30°F
0%
3mph
SW
Sunny
Humidity
57%
Feels like
30°F
Dew Point
16°F
4 PM
28°F
0%
2mph
SW
Sunny
Humidity
60%
Feels like
28°F
Dew Point
16°F
4:15 PM
5 PM
26°F
0%
2mph
SW
Clear
Humidity
65%
Feels like
26°F
Dew Point
16°F
6 PM
25°F
0%
3mph
SSW
Mostly Clear
Humidity
67%
Feels like
25°F
Dew Point
16°F
7 PM
25°F
0%
4mph
SSW
Mostly Clear
Humidity
67%
Feels like
21°F
Dew Point
16°F
8 PM
25°F
0%
4mph
SW
Partly Cloudy
Humidity
69%
Feels like
20°F
Dew Point
17°F
9 PM
25°F
0%
4mph
SW
Partly Cloudy
Humidity
70%
Feels like
20°F
Dew Point
17°F
10 PM
25°F
0%
5mph
SW
Mostly Cloudy
Humidity
72%
Feels like
19°F
Dew Point
17°F
11 PM
25°F
0%
6mph
SW
Partly Cloudy
Humidity
72%
Feels like
18°F
Dew Point
18°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

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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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