Hourly Weather Forecast - Portmarnock, , IE

4 AM
46°F
10%
15mph
SE
Partly Cloudy
Humidity
85%
Feels like
40°F
Dew Point
42°F
5 AM
46°F
10%
15mph
SE
Partly Cloudy
Humidity
85%
Feels like
40°F
Dew Point
42°F
6 AM
46°F
10%
16mph
SE
Partly Cloudy
Humidity
85%
Feels like
39°F
Dew Point
42°F
7 AM
46°F
10%
17mph
SE
Mostly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
42°F
8 AM
46°F
30%
18mph
SE
30% Chance Rain Showers
Humidity
87%
Feels like
38°F
Dew Point
42°F
8:15 AM
9 AM
46°F
30%
19mph
SE
30% Chance of Light Rain
Humidity
86%
Feels like
38°F
Dew Point
42°F
10 AM
46°F
30%
20mph
SE
30% Chance of Light Rain
Humidity
86%
Feels like
38°F
Dew Point
42°F
11 AM
46°F
40%
20mph
SE
40% Chance of Light Rain
Humidity
86%
Feels like
38°F
Dew Point
42°F
12 PM
46°F
50%
20mph
SE
50% Chance of Light Rain
Humidity
86%
Feels like
38°F
Dew Point
42°F
1 PM
46°F
50%
20mph
SE
50% Chance of Light Rain
Humidity
86%
Feels like
38°F
Dew Point
42°F
2 PM
46°F
60%
20mph
SE
60% Chance of Light Rain
Humidity
87%
Feels like
38°F
Dew Point
42°F
3 PM
46°F
70%
20mph
SE
70% Chance of Light Rain
Humidity
89%
Feels like
38°F
Dew Point
43°F
4 PM
46°F
50%
20mph
SE
50% Chance of Light Rain
Humidity
89%
Feels like
38°F
Dew Point
43°F
5 PM
46°F
50%
21mph
SE
50% Chance of Light Rain
Humidity
89%
Feels like
38°F
Dew Point
43°F
5:01 PM
6 PM
46°F
50%
21mph
ESE
50% Chance of Light Rain
Humidity
88%
Feels like
38°F
Dew Point
43°F
7 PM
46°F
50%
21mph
ESE
50% Chance of Light Rain
Humidity
88%
Feels like
38°F
Dew Point
43°F
8 PM
46°F
70%
21mph
ESE
70% Chance of Light Rain
Humidity
88%
Feels like
38°F
Dew Point
42°F
9 PM
46°F
80%
21mph
SE
80% Chance of Rain
Humidity
89%
Feels like
38°F
Dew Point
42°F
10 PM
46°F
90%
21mph
SE
Rain
Humidity
89%
Feels like
38°F
Dew Point
42°F
11 PM
45°F
90%
20mph
SE
Light Rain
Humidity
89%
Feels like
37°F
Dew Point
42°F

Thursday's Low Temperatures

Dangerous Cold, Lake-Effect Snow Grip Eastern U.S.

Frigid air will penetrate deep into the Eastern U.S. by midweek, with lake-effect snow lasting through Thursday.

Thursday's Weather Outlook

Thursday's Weather Outlook

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

Weekly Drought Map for January 22, 2026

Tranquil Weather Pattern Worsens Drought Depiction Nationwide

How to Measure Snow via NWS

How To Measure Snow

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