Hourly Weather Forecast - Holyhead, Isle of Anglesey - Sir Ynis Mon, GB

12 AM
47°F
30%
18mph
SE
30% Chance of Light Rain
Humidity
82%
Feels like
40°F
Dew Point
42°F
1 AM
47°F
30%
17mph
ESE
30% Chance of Light Rain
Humidity
84%
Feels like
40°F
Dew Point
42°F
2 AM
47°F
20%
16mph
SE
Cloudy
Humidity
84%
Feels like
41°F
Dew Point
42°F
3 AM
47°F
20%
15mph
SE
Cloudy
Humidity
85%
Feels like
41°F
Dew Point
43°F
4 AM
46°F
20%
13mph
SSE
Partly Cloudy
Humidity
87%
Feels like
41°F
Dew Point
43°F
5 AM
46°F
20%
12mph
SSE
Partly Cloudy
Humidity
88%
Feels like
40°F
Dew Point
43°F
6 AM
45°F
10%
11mph
SSE
Partly Cloudy
Humidity
90%
Feels like
40°F
Dew Point
42°F
7 AM
45°F
10%
10mph
SE
Clear
Humidity
90%
Feels like
39°F
Dew Point
42°F
8 AM
44°F
0%
9mph
SE
Clear
Humidity
89%
Feels like
39°F
Dew Point
41°F
8:31 AM
9 AM
45°F
0%
9mph
ESE
Sunny
Humidity
89%
Feels like
40°F
Dew Point
42°F
10 AM
46°F
0%
9mph
SE
Mostly Sunny
Humidity
87%
Feels like
41°F
Dew Point
42°F
11 AM
47°F
0%
9mph
ESE
Partly Cloudy
Humidity
85%
Feels like
43°F
Dew Point
43°F
12 PM
49°F
0%
10mph
E
Partly Cloudy
Humidity
83%
Feels like
44°F
Dew Point
44°F
1 PM
49°F
0%
9mph
E
Partly Cloudy
Humidity
82%
Feels like
45°F
Dew Point
44°F
2 PM
49°F
0%
9mph
ENE
Partly Cloudy
Humidity
83%
Feels like
45°F
Dew Point
44°F
3 PM
48°F
0%
10mph
ENE
Partly Cloudy
Humidity
86%
Feels like
44°F
Dew Point
44°F
4 PM
47°F
10%
10mph
ENE
Partly Cloudy
Humidity
88%
Feels like
43°F
Dew Point
44°F
4:01 PM
5 PM
47°F
10%
11mph
E
Mostly Cloudy
Humidity
90%
Feels like
41°F
Dew Point
44°F
6 PM
46°F
10%
12mph
E
Cloudy
Humidity
92%
Feels like
41°F
Dew Point
44°F
7 PM
46°F
20%
13mph
E
Cloudy
Humidity
92%
Feels like
40°F
Dew Point
44°F
8 PM
46°F
20%
13mph
E
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
44°F
9 PM
46°F
20%
13mph
ENE
Cloudy
Humidity
95%
Feels like
40°F
Dew Point
45°F
10 PM
46°F
20%
13mph
ENE
Cloudy
Humidity
95%
Feels like
41°F
Dew Point
45°F
11 PM
47°F
40%
13mph
ENE
40% Chance of Light Rain
Humidity
95%
Feels like
41°F
Dew Point
45°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

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Weekend Weather Outlook

Weekend 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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