Hourly Weather Forecast - Alton Bay, NH

10 AM
37°F
0%
11mph
NW
Partly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
29°F
11 AM
38°F
0%
12mph
NW
Partly Cloudy
Humidity
65%
Feels like
30°F
Dew Point
27°F
12 PM
39°F
0%
12mph
NW
Mostly Sunny
Humidity
58%
Feels like
31°F
Dew Point
26°F
1 PM
40°F
0%
13mph
NW
Mostly Sunny
Humidity
52%
Feels like
32°F
Dew Point
24°F
2 PM
40°F
0%
13mph
NW
Sunny
Humidity
48%
Feels like
33°F
Dew Point
22°F
3 PM
40°F
0%
12mph
NW
Mostly Sunny
Humidity
46%
Feels like
33°F
Dew Point
21°F
4 PM
40°F
0%
11mph
NW
Mostly Sunny
Humidity
45%
Feels like
33°F
Dew Point
20°F
5 PM
39°F
0%
10mph
NW
Partly Cloudy
Humidity
45%
Feels like
33°F
Dew Point
20°F
6 PM
38°F
0%
8mph
NW
Partly Cloudy
Humidity
49%
Feels like
32°F
Dew Point
20°F
6:58 PM
7 PM
36°F
0%
6mph
NW
Mostly Cloudy
Humidity
54%
Feels like
31°F
Dew Point
21°F
8 PM
34°F
0%
4mph
NW
Mostly Cloudy
Humidity
58%
Feels like
30°F
Dew Point
21°F
9 PM
33°F
10%
3mph
WNW
Mostly Cloudy
Humidity
60%
Feels like
31°F
Dew Point
21°F
10 PM
33°F
10%
2mph
WNW
Cloudy
Humidity
62%
Feels like
33°F
Dew Point
21°F
11 PM
33°F
10%
2mph
WNW
Cloudy
Humidity
63%
Feels like
33°F
Dew Point
22°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

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

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

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

When Does Spring Begin?

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