Hourly Weather Forecast - Grantham, NH

11 AM
38°F
0%
7mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
33°F
Dew Point
28°F
12 PM
40°F
10%
8mph
S
Mostly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
27°F
1 PM
42°F
10%
9mph
S
Mostly Cloudy
Humidity
56%
Feels like
36°F
Dew Point
27°F
2 PM
43°F
20%
10mph
S
Mostly Cloudy
Humidity
56%
Feels like
37°F
Dew Point
28°F
3 PM
42°F
70%
10mph
S
70% Chance of Light Rain
Humidity
68%
Feels like
37°F
Dew Point
33°F
4 PM
42°F
100%
9mph
S
Light Rain
Humidity
83%
Feels like
37°F
Dew Point
37°F
5 PM
41°F
100%
8mph
SSW
Rain
Humidity
97%
Feels like
36°F
Dew Point
40°F
6 PM
41°F
90%
8mph
SSW
Rain
Humidity
100%
Feels like
36°F
Dew Point
41°F
7 PM
41°F
60%
8mph
SW
60% Chance of Rain
Humidity
100%
Feels like
36°F
Dew Point
41°F
7:00 PM
8 PM
41°F
40%
8mph
SW
40% Chance of Rain
Humidity
100%
Feels like
35°F
Dew Point
41°F
9 PM
41°F
40%
8mph
SW
40% Chance of Light Rain
Humidity
100%
Feels like
35°F
Dew Point
41°F
10 PM
41°F
30%
8mph
SW
30% Chance of Light Rain
Humidity
100%
Feels like
36°F
Dew Point
41°F
11 PM
41°F
30%
7mph
SW
30% Chance of Rain
Humidity
100%
Feels like
36°F
Dew Point
41°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

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