Hourly Weather Forecast - Letterkenny, Ulster, IE

12 AM
38°F
20%
7mph
SW
Mostly Cloudy
Humidity
92%
Feels like
33°F
Dew Point
36°F
1 AM
38°F
20%
5mph
SSW
Mostly Cloudy
Humidity
91%
Feels like
34°F
Dew Point
36°F
2 AM
38°F
0%
5mph
S
Cloudy
Humidity
89%
Feels like
34°F
Dew Point
35°F
3 AM
37°F
0%
6mph
S
Mostly Cloudy
Humidity
88%
Feels like
32°F
Dew Point
34°F
4 AM
37°F
0%
5mph
SSE
Partly Cloudy
Humidity
84%
Feels like
32°F
Dew Point
32°F
5 AM
36°F
0%
5mph
SSE
Mostly Cloudy
Humidity
83%
Feels like
32°F
Dew Point
31°F
6 AM
36°F
0%
4mph
SSE
Mostly Cloudy
Humidity
81%
Feels like
32°F
Dew Point
31°F
7 AM
36°F
0%
3mph
SE
Cloudy
Humidity
80%
Feels like
36°F
Dew Point
31°F
8 AM
37°F
0%
3mph
E
Cloudy
Humidity
78%
Feels like
37°F
Dew Point
30°F
8:41 AM
9 AM
38°F
30%
4mph
E
30% Chance of Light Rain
Humidity
77%
Feels like
35°F
Dew Point
31°F
10 AM
39°F
30%
7mph
E
30% Chance of Light Rain
Humidity
77%
Feels like
34°F
Dew Point
33°F
11 AM
41°F
40%
13mph
E
40% Chance of Light Rain
Humidity
78%
Feels like
34°F
Dew Point
35°F
12 PM
43°F
50%
17mph
ESE
50% Chance of Light Rain
Humidity
79%
Feels like
35°F
Dew Point
37°F
1 PM
44°F
60%
20mph
ESE
60% Chance of Light Rain
Humidity
80%
Feels like
35°F
Dew Point
38°F
2 PM
44°F
60%
23mph
ESE
60% Chance of Light Rain
Humidity
81%
Feels like
36°F
Dew Point
39°F
3 PM
44°F
70%
23mph
ESE
70% Chance of Light Rain
Humidity
84%
Feels like
35°F
Dew Point
40°F
4 PM
44°F
70%
23mph
SE
70% Chance of Light Rain
Humidity
86%
Feels like
35°F
Dew Point
40°F
4:43 PM
5 PM
44°F
70%
21mph
SE
70% Chance of Light Rain
Humidity
87%
Feels like
36°F
Dew Point
40°F
6 PM
44°F
70%
20mph
SE
70% Chance of Light Rain
Humidity
88%
Feels like
36°F
Dew Point
41°F
7 PM
44°F
50%
20mph
SE
50% Chance of Light Rain
Humidity
87%
Feels like
36°F
Dew Point
40°F
8 PM
44°F
30%
20mph
SE
30% Chance Rain Showers
Humidity
86%
Feels like
36°F
Dew Point
40°F
9 PM
44°F
30%
21mph
SE
30% Chance Rain Showers
Humidity
85%
Feels like
35°F
Dew Point
40°F
10 PM
44°F
30%
23mph
SE
30% Chance Rain Showers
Humidity
85%
Feels like
35°F
Dew Point
39°F
11 PM
43°F
30%
24mph
SE
30% Chance Rain Showers
Humidity
85%
Feels like
34°F
Dew Point
39°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide