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

12 AM
40°F
10%
3mph
ENE
Mostly Clear
Humidity
77%
Feels like
38°F
Dew Point
33°F
1 AM
40°F
10%
3mph
ENE
Mostly Clear
Humidity
78%
Feels like
38°F
Dew Point
33°F
2 AM
40°F
10%
3mph
E
Partly Cloudy
Humidity
78%
Feels like
38°F
Dew Point
34°F
3 AM
40°F
10%
3mph
ENE
Partly Cloudy
Humidity
78%
Feels like
38°F
Dew Point
33°F
4 AM
39°F
10%
3mph
E
Partly Cloudy
Humidity
78%
Feels like
39°F
Dew Point
33°F
5 AM
39°F
10%
2mph
ENE
Partly Cloudy
Humidity
78%
Feels like
39°F
Dew Point
33°F
6 AM
39°F
0%
2mph
ENE
Partly Cloudy
Humidity
78%
Feels like
39°F
Dew Point
33°F
6:50 AM
7 AM
41°F
0%
1mph
ENE
Partly Cloudy
Humidity
78%
Feels like
41°F
Dew Point
34°F
8 AM
43°F
0%
2mph
ENE
Partly Cloudy
Humidity
73%
Feels like
43°F
Dew Point
35°F
9 AM
47°F
0%
2mph
E
Partly Cloudy
Humidity
69%
Feels like
47°F
Dew Point
37°F
10 AM
49°F
0%
4mph
ESE
Partly Cloudy
Humidity
67%
Feels like
48°F
Dew Point
39°F
11 AM
52°F
10%
5mph
SE
Partly Cloudy
Humidity
67%
Feels like
52°F
Dew Point
41°F
12 PM
53°F
10%
8mph
SSE
Partly Cloudy
Humidity
68%
Feels like
53°F
Dew Point
43°F
1 PM
54°F
10%
9mph
SSE
Partly Cloudy
Humidity
67%
Feels like
54°F
Dew Point
43°F
2 PM
55°F
10%
9mph
SSE
Partly Cloudy
Humidity
66%
Feels like
55°F
Dew Point
44°F
3 PM
54°F
10%
9mph
S
Partly Cloudy
Humidity
67%
Feels like
54°F
Dew Point
44°F
4 PM
53°F
10%
7mph
SSE
Partly Cloudy
Humidity
68%
Feels like
53°F
Dew Point
43°F
5 PM
52°F
10%
4mph
S
Partly Cloudy
Humidity
71%
Feels like
52°F
Dew Point
43°F
6 PM
51°F
10%
3mph
S
Partly Cloudy
Humidity
74%
Feels like
51°F
Dew Point
43°F
6:07 PM
7 PM
49°F
10%
2mph
S
Partly Cloudy
Humidity
75%
Feels like
49°F
Dew Point
41°F
8 PM
48°F
10%
0mph
SSE
Partly Cloudy
Humidity
73%
Feels like
48°F
Dew Point
40°F
9 PM
47°F
10%
1mph
N
Partly Cloudy
Humidity
71%
Feels like
47°F
Dew Point
39°F
10 PM
47°F
30%
1mph
NNE
30% Chance Rain Showers
Humidity
71%
Feels like
47°F
Dew Point
38°F
11 PM
47°F
10%
1mph
ENE
Partly Cloudy
Humidity
70%
Feels like
47°F
Dew Point
37°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

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