Hourly Weather Forecast - Castleblayney, Ulster, IE

12 AM
38°F
0%
4mph
W
Mostly Clear
Humidity
89%
Feels like
35°F
Dew Point
35°F
1 AM
37°F
0%
4mph
W
Hazy
Humidity
91%
Feels like
34°F
Dew Point
35°F
2 AM
37°F
0%
4mph
W
Partly Cloudy
Humidity
93%
Feels like
33°F
Dew Point
35°F
3 AM
36°F
0%
4mph
W
Partly Cloudy
Humidity
93%
Feels like
33°F
Dew Point
35°F
4 AM
35°F
0%
4mph
W
Partly Cloudy
Humidity
94%
Feels like
32°F
Dew Point
34°F
5 AM
35°F
0%
4mph
W
Hazy
Humidity
95%
Feels like
32°F
Dew Point
33°F
6 AM
34°F
0%
4mph
WSW
Hazy
Humidity
96%
Feels like
31°F
Dew Point
33°F
7 AM
34°F
0%
4mph
WSW
Hazy
Humidity
96%
Feels like
30°F
Dew Point
33°F
8 AM
34°F
0%
4mph
WSW
Hazy
Humidity
95%
Feels like
30°F
Dew Point
33°F
8:40 AM
9 AM
35°F
0%
4mph
SW
Hazy
Humidity
93%
Feels like
31°F
Dew Point
33°F
10 AM
36°F
0%
5mph
SW
Hazy
Humidity
92%
Feels like
32°F
Dew Point
34°F
11 AM
39°F
0%
6mph
SW
Partly Cloudy
Humidity
90%
Feels like
34°F
Dew Point
36°F
12 PM
40°F
0%
7mph
SW
Partly Cloudy
Humidity
89%
Feels like
36°F
Dew Point
37°F
1 PM
42°F
0%
7mph
SW
Partly Cloudy
Humidity
86%
Feels like
37°F
Dew Point
38°F
2 PM
42°F
0%
7mph
SW
Partly Cloudy
Humidity
87%
Feels like
37°F
Dew Point
38°F
3 PM
41°F
0%
7mph
SW
Partly Cloudy
Humidity
90%
Feels like
37°F
Dew Point
38°F
4 PM
39°F
0%
6mph
SW
Partly Cloudy
Humidity
93%
Feels like
35°F
Dew Point
38°F
4:03 PM
5 PM
38°F
0%
6mph
SW
Partly Cloudy
Humidity
95%
Feels like
33°F
Dew Point
37°F
6 PM
37°F
0%
6mph
SSW
Partly Cloudy
Humidity
97%
Feels like
32°F
Dew Point
36°F
7 PM
36°F
0%
7mph
SSW
Foggy
Humidity
99%
Feels like
30°F
Dew Point
36°F
8 PM
35°F
0%
7mph
SSW
Foggy
Humidity
99%
Feels like
29°F
Dew Point
35°F
9 PM
35°F
0%
8mph
S
Foggy
Humidity
99%
Feels like
28°F
Dew Point
35°F
10 PM
35°F
0%
9mph
S
Partly Cloudy
Humidity
98%
Feels like
28°F
Dew Point
35°F
11 PM
36°F
10%
11mph
S
Mostly Cloudy
Humidity
94%
Feels like
28°F
Dew Point
34°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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