Hourly Weather Forecast - Grantham, NH

12 AM
24°F
0%
6mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
16°F
Dew Point
16°F
1 AM
24°F
0%
7mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
16°F
Dew Point
17°F
2 AM
24°F
0%
7mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
16°F
Dew Point
17°F
3 AM
24°F
0%
7mph
SW
Partly Cloudy
Humidity
74%
Feels like
15°F
Dew Point
17°F
4 AM
23°F
0%
7mph
SW
Partly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
17°F
5 AM
23°F
0%
7mph
SW
Partly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
17°F
6 AM
24°F
0%
7mph
SW
Partly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
18°F
7 AM
24°F
0%
7mph
SW
Partly Cloudy
Humidity
76%
Feels like
16°F
Dew Point
18°F
7:15 AM
8 AM
26°F
0%
7mph
SW
Partly Cloudy
Humidity
72%
Feels like
18°F
Dew Point
19°F
9 AM
29°F
0%
7mph
SW
Partly Cloudy
Humidity
69%
Feels like
22°F
Dew Point
20°F
10 AM
31°F
0%
7mph
SW
Partly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
23°F
11 AM
33°F
0%
7mph
SW
Partly Cloudy
Humidity
71%
Feels like
27°F
Dew Point
25°F
12 PM
35°F
0%
8mph
WSW
Partly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
27°F
1 PM
37°F
0%
8mph
WSW
Partly Cloudy
Humidity
74%
Feels like
30°F
Dew Point
29°F
2 PM
37°F
10%
9mph
WSW
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
30°F
3 PM
38°F
10%
10mph
WSW
Cloudy
Humidity
76%
Feels like
31°F
Dew Point
31°F
4 PM
37°F
10%
11mph
W
Cloudy
Humidity
77%
Feels like
30°F
Dew Point
31°F
4:13 PM
5 PM
37°F
0%
11mph
W
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
31°F
6 PM
37°F
0%
11mph
WNW
Partly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
31°F
7 PM
37°F
0%
12mph
WNW
Partly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
31°F
8 PM
36°F
0%
12mph
WNW
Partly Cloudy
Humidity
80%
Feels like
28°F
Dew Point
31°F
9 PM
36°F
10%
12mph
WNW
Partly Cloudy
Humidity
78%
Feels like
28°F
Dew Point
30°F
10 PM
35°F
10%
11mph
W
Partly Cloudy
Humidity
75%
Feels like
27°F
Dew Point
29°F
11 PM
35°F
10%
10mph
WNW
Partly Cloudy
Humidity
76%
Feels like
27°F
Dew Point
28°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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