Hourly Weather Forecast - Castleblayney, Ulster, IE

12 AM
45°F
20%
8mph
SW
Clear
Humidity
75%
Feels like
41°F
Dew Point
38°F
1 AM
43°F
20%
8mph
SW
Clear
Humidity
81%
Feels like
38°F
Dew Point
38°F
2 AM
42°F
20%
9mph
SSW
Clear
Humidity
81%
Feels like
37°F
Dew Point
37°F
3 AM
43°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
81%
Feels like
37°F
Dew Point
37°F
4 AM
42°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
82%
Feels like
37°F
Dew Point
37°F
5 AM
42°F
30%
10mph
S
30% Chance Rain Showers
Humidity
84%
Feels like
36°F
Dew Point
38°F
6 AM
42°F
30%
11mph
S
30% Chance Rain Showers
Humidity
88%
Feels like
35°F
Dew Point
38°F
7 AM
41°F
30%
12mph
S
30% Chance Rain Showers
Humidity
95%
Feels like
34°F
Dew Point
40°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide