Hourly Weather Forecast - Merthyr, Carmarthenshire - Sir Gaerfyrddin, GB

12 AM
45°F
20%
2mph
N
Cloudy
Humidity
84%
Feels like
45°F
Dew Point
40°F
1 AM
44°F
30%
3mph
N
30% Chance of Light Rain
Humidity
86%
Feels like
44°F
Dew Point
40°F
2 AM
44°F
30%
3mph
N
30% Chance of Light Rain
Humidity
89%
Feels like
42°F
Dew Point
41°F
3 AM
43°F
30%
4mph
NNE
30% Chance of Light Rain
Humidity
91%
Feels like
41°F
Dew Point
41°F
4 AM
43°F
10%
5mph
NE
Mostly Cloudy
Humidity
89%
Feels like
40°F
Dew Point
40°F
5 AM
42°F
10%
6mph
NE
Mostly Cloudy
Humidity
88%
Feels like
39°F
Dew Point
39°F
6 AM
42°F
10%
7mph
NE
Mostly Cloudy
Humidity
87%
Feels like
38°F
Dew Point
39°F
6:59 AM
7 AM
43°F
10%
6mph
NE
Mostly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
39°F
8 AM
45°F
10%
8mph
NE
Mostly Cloudy
Humidity
82%
Feels like
40°F
Dew Point
39°F
9 AM
46°F
0%
9mph
NE
Cloudy
Humidity
78%
Feels like
42°F
Dew Point
40°F
10 AM
48°F
10%
9mph
ENE
Cloudy
Humidity
74%
Feels like
44°F
Dew Point
40°F
11 AM
50°F
10%
9mph
ENE
Cloudy
Humidity
72%
Feels like
50°F
Dew Point
41°F
12 PM
51°F
0%
9mph
ENE
Mostly Cloudy
Humidity
70%
Feels like
51°F
Dew Point
42°F
1 PM
53°F
0%
9mph
E
Mostly Cloudy
Humidity
71%
Feels like
53°F
Dew Point
43°F
2 PM
53°F
0%
7mph
E
Cloudy
Humidity
72%
Feels like
53°F
Dew Point
44°F
3 PM
53°F
0%
6mph
ESE
Cloudy
Humidity
75%
Feels like
53°F
Dew Point
45°F
4 PM
52°F
0%
6mph
ESE
Partly Cloudy
Humidity
78%
Feels like
52°F
Dew Point
46°F
5 PM
51°F
0%
6mph
ESE
Partly Cloudy
Humidity
81%
Feels like
51°F
Dew Point
46°F
6 PM
50°F
0%
5mph
ESE
Partly Cloudy
Humidity
84%
Feels like
50°F
Dew Point
45°F
6:00 PM
7 PM
49°F
0%
5mph
E
Partly Cloudy
Humidity
86%
Feels like
47°F
Dew Point
45°F
8 PM
48°F
0%
4mph
E
Mostly Cloudy
Humidity
87%
Feels like
46°F
Dew Point
44°F
9 PM
47°F
0%
4mph
E
Mostly Cloudy
Humidity
89%
Feels like
45°F
Dew Point
44°F
10 PM
47°F
0%
5mph
E
Mostly Cloudy
Humidity
89%
Feels like
44°F
Dew Point
44°F
11 PM
47°F
0%
5mph
E
Mostly Cloudy
Humidity
88%
Feels like
44°F
Dew Point
43°F

Snow and Ice Accumulations through Tuesday

Wintry Disturbance Hits Northeastern U.S.

A wintry disturbance will continue northeastward, buffeting the northeastern U.S. with light snow, freezing rain, and plain rain through Tuesday night.

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide