Hourly Weather Forecast - Alton Bay, NH

12 AM
20°F
10%
3mph
W
Mostly Cloudy
Humidity
76%
Feels like
16°F
Dew Point
14°F
1 AM
21°F
10%
3mph
W
Cloudy
Humidity
75%
Feels like
21°F
Dew Point
14°F
2 AM
21°F
10%
3mph
W
Cloudy
Humidity
75%
Feels like
16°F
Dew Point
14°F
3 AM
21°F
10%
3mph
W
Cloudy
Humidity
75%
Feels like
16°F
Dew Point
14°F
4 AM
21°F
10%
4mph
W
Mostly Cloudy
Humidity
75%
Feels like
16°F
Dew Point
14°F
5 AM
20°F
10%
4mph
W
Mostly Cloudy
Humidity
76%
Feels like
15°F
Dew Point
14°F
6 AM
20°F
10%
3mph
W
Mostly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
14°F
7 AM
20°F
10%
3mph
W
Mostly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
14°F
7:16 AM
8 AM
22°F
10%
4mph
W
Mostly Cloudy
Humidity
76%
Feels like
17°F
Dew Point
15°F
9 AM
24°F
10%
4mph
W
Mostly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
17°F
10 AM
27°F
20%
4mph
W
Partly Cloudy
Humidity
71%
Feels like
22°F
Dew Point
19°F
11 AM
28°F
20%
5mph
W
Partly Cloudy
Humidity
70%
Feels like
23°F
Dew Point
20°F
12 PM
30°F
30%
5mph
W
30% Chance Frozen Mix
Humidity
69%
Feels like
24°F
Dew Point
21°F
1 PM
31°F
30%
6mph
W
30% Chance Frozen Mix
Humidity
69%
Feels like
25°F
Dew Point
22°F
2 PM
31°F
40%
5mph
W
40% Chance Snow Showers
Humidity
70%
Feels like
25°F
Dew Point
22°F
3 PM
30°F
40%
5mph
W
40% Chance Snow Showers
Humidity
73%
Feels like
25°F
Dew Point
23°F
4 PM
29°F
30%
4mph
W
30% Chance Frozen Mix
Humidity
75%
Feels like
24°F
Dew Point
22°F
4:13 PM
5 PM
28°F
20%
4mph
W
Mostly Clear
Humidity
77%
Feels like
24°F
Dew Point
22°F
6 PM
26°F
20%
3mph
W
Mostly Clear
Humidity
79%
Feels like
23°F
Dew Point
21°F
7 PM
25°F
10%
3mph
W
Mostly Clear
Humidity
80%
Feels like
25°F
Dew Point
20°F
8 PM
25°F
10%
2mph
WNW
Mostly Clear
Humidity
81%
Feels like
25°F
Dew Point
20°F
9 PM
25°F
10%
2mph
NW
Partly Cloudy
Humidity
82%
Feels like
25°F
Dew Point
20°F
10 PM
25°F
10%
2mph
NW
Mostly Cloudy
Humidity
83%
Feels like
25°F
Dew Point
20°F
11 PM
25°F
20%
2mph
NNW
Cloudy
Humidity
83%
Feels like
25°F
Dew Point
20°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide