Hourly Weather Forecast - Grantham, NH

12 AM
38°F
50%
11mph
SSE
50% Chance of Light Rain
Humidity
94%
Feels like
31°F
Dew Point
37°F
1 AM
39°F
60%
11mph
SSE
60% Chance of Light Rain
Humidity
95%
Feels like
32°F
Dew Point
37°F
2 AM
40°F
70%
12mph
SSE
70% Chance of Light Rain
Humidity
93%
Feels like
33°F
Dew Point
38°F
3 AM
41°F
80%
12mph
SSE
80% Chance of Light Rain
Humidity
92%
Feels like
34°F
Dew Point
39°F
4 AM
43°F
90%
13mph
SSE
Light Rain
Humidity
92%
Feels like
36°F
Dew Point
41°F
5 AM
44°F
90%
13mph
SSE
Light Rain
Humidity
90%
Feels like
38°F
Dew Point
42°F
6 AM
46°F
100%
13mph
SSE
Light Rain
Humidity
90%
Feels like
40°F
Dew Point
43°F
7 AM
47°F
100%
14mph
SSE
Light Rain
Humidity
87%
Feels like
41°F
Dew Point
44°F
7:17 AM
8 AM
48°F
100%
14mph
SSE
Rain
Humidity
91%
Feels like
43°F
Dew Point
46°F
9 AM
49°F
100%
14mph
SSE
Rain
Humidity
88%
Feels like
44°F
Dew Point
46°F
10 AM
50°F
100%
13mph
SSE
Rain
Humidity
98%
Feels like
50°F
Dew Point
49°F
11 AM
51°F
100%
11mph
S
Rain
Humidity
94%
Feels like
51°F
Dew Point
49°F
12 PM
51°F
90%
11mph
SSW
Rain
Humidity
93%
Feels like
51°F
Dew Point
49°F
1 PM
50°F
70%
11mph
SW
70% Chance of Rain
Humidity
95%
Feels like
50°F
Dew Point
49°F
2 PM
48°F
40%
11mph
WSW
40% Chance of Rain
Humidity
95%
Feels like
43°F
Dew Point
47°F
3 PM
45°F
30%
11mph
W
30% Chance of Light Rain
Humidity
92%
Feels like
39°F
Dew Point
43°F
4 PM
41°F
30%
12mph
W
30% Chance of Light Rain
Humidity
92%
Feels like
34°F
Dew Point
39°F
4:14 PM
5 PM
37°F
30%
14mph
W
30% Chance Rain Showers
Humidity
90%
Feels like
29°F
Dew Point
34°F
6 PM
35°F
30%
15mph
W
30% Chance Rain Showers
Humidity
84%
Feels like
25°F
Dew Point
31°F
7 PM
33°F
20%
16mph
W
Partly Cloudy
Humidity
78%
Feels like
22°F
Dew Point
27°F
8 PM
32°F
10%
17mph
W
Partly Cloudy
Humidity
71%
Feels like
21°F
Dew Point
24°F
9 PM
31°F
10%
17mph
W
Partly Cloudy
Humidity
71%
Feels like
19°F
Dew Point
22°F
10 PM
29°F
10%
17mph
W
Partly Cloudy
Humidity
68%
Feels like
17°F
Dew Point
20°F
11 PM
27°F
10%
18mph
W
Partly Cloudy
Humidity
66%
Feels like
14°F
Dew Point
17°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday'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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