Hourly Weather Forecast - Alton Bay, NH

12 AM
20°F
0%
15mph
WNW
Partly Cloudy
Humidity
60%
Feels like
7°F
Dew Point
9°F
1 AM
19°F
0%
15mph
WNW
Partly Cloudy
Humidity
60%
Feels like
5°F
Dew Point
7°F
2 AM
18°F
0%
15mph
NW
Partly Cloudy
Humidity
60%
Feels like
3°F
Dew Point
6°F
3 AM
17°F
0%
15mph
NW
Mostly Clear
Humidity
61%
Feels like
2°F
Dew Point
6°F
4 AM
16°F
0%
15mph
NW
Mostly Clear
Humidity
62%
Feels like
1°F
Dew Point
5°F
5 AM
15°F
0%
14mph
NW
Clear
Humidity
62%
Feels like
1°F
Dew Point
5°F
6 AM
15°F
0%
13mph
NW
Clear
Humidity
62%
Feels like
0°F
Dew Point
4°F
7 AM
15°F
0%
13mph
NW
Clear
Humidity
62%
Feels like
1°F
Dew Point
4°F
7:15 AM
8 AM
16°F
0%
12mph
WNW
Mostly Sunny
Humidity
60%
Feels like
3°F
Dew Point
5°F
9 AM
18°F
0%
12mph
WNW
Mostly Sunny
Humidity
58%
Feels like
5°F
Dew Point
6°F
10 AM
20°F
0%
11mph
WNW
Partly Cloudy
Humidity
55%
Feels like
7°F
Dew Point
6°F
11 AM
21°F
0%
11mph
WNW
Partly Cloudy
Humidity
53%
Feels like
10°F
Dew Point
7°F
12 PM
23°F
0%
11mph
WNW
Partly Cloudy
Humidity
51%
Feels like
12°F
Dew Point
8°F
1 PM
24°F
0%
11mph
WNW
Partly Cloudy
Humidity
50%
Feels like
14°F
Dew Point
8°F
2 PM
25°F
0%
9mph
WNW
Partly Cloudy
Humidity
51%
Feels like
15°F
Dew Point
9°F
3 PM
25°F
0%
9mph
WNW
Partly Cloudy
Humidity
53%
Feels like
16°F
Dew Point
10°F
4 PM
25°F
0%
8mph
WNW
Partly Cloudy
Humidity
55%
Feels like
16°F
Dew Point
11°F
4:12 PM
5 PM
24°F
0%
7mph
W
Partly Cloudy
Humidity
57%
Feels like
16°F
Dew Point
11°F
6 PM
24°F
0%
7mph
W
Mostly Clear
Humidity
60%
Feels like
16°F
Dew Point
12°F
7 PM
24°F
0%
7mph
W
Partly Cloudy
Humidity
62%
Feels like
16°F
Dew Point
13°F
8 PM
23°F
0%
6mph
W
Partly Cloudy
Humidity
64%
Feels like
15°F
Dew Point
13°F
9 PM
23°F
0%
6mph
WNW
Partly Cloudy
Humidity
66%
Feels like
15°F
Dew Point
13°F
10 PM
22°F
0%
6mph
WNW
Partly Cloudy
Humidity
67%
Feels like
15°F
Dew Point
13°F
11 PM
22°F
0%
5mph
WNW
Partly Cloudy
Humidity
68%
Feels like
15°F
Dew Point
13°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

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