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

12 AM
47°F
0%
6mph
SE
Mostly Cloudy
Humidity
89%
Feels like
44°F
Dew Point
44°F
1 AM
46°F
0%
6mph
SE
Cloudy
Humidity
90%
Feels like
43°F
Dew Point
44°F
2 AM
46°F
0%
6mph
SE
Cloudy
Humidity
90%
Feels like
43°F
Dew Point
43°F
3 AM
46°F
0%
6mph
SE
Cloudy
Humidity
91%
Feels like
43°F
Dew Point
44°F
4 AM
45°F
0%
6mph
SE
Cloudy
Humidity
93%
Feels like
42°F
Dew Point
43°F
5 AM
45°F
0%
6mph
SE
Cloudy
Humidity
96%
Feels like
42°F
Dew Point
44°F
6 AM
45°F
0%
6mph
SE
Cloudy
Humidity
98%
Feels like
42°F
Dew Point
44°F
6:55 AM
7 AM
45°F
0%
6mph
SE
Cloudy
Humidity
97%
Feels like
42°F
Dew Point
45°F
8 AM
48°F
0%
7mph
SE
Cloudy
Humidity
92%
Feels like
45°F
Dew Point
46°F
9 AM
52°F
0%
8mph
SSE
Cloudy
Humidity
84%
Feels like
52°F
Dew Point
47°F
10 AM
55°F
0%
10mph
SSE
Cloudy
Humidity
78%
Feels like
55°F
Dew Point
48°F
11 AM
57°F
10%
12mph
SSE
Cloudy
Humidity
74%
Feels like
57°F
Dew Point
49°F
12 PM
59°F
10%
13mph
S
Mostly Cloudy
Humidity
72%
Feels like
59°F
Dew Point
49°F
1 PM
58°F
20%
13mph
S
Mostly Cloudy
Humidity
76%
Feels like
58°F
Dew Point
50°F
2 PM
58°F
30%
11mph
SSW
30% Chance of Light Rain
Humidity
78%
Feels like
58°F
Dew Point
51°F
3 PM
56°F
50%
7mph
WSW
50% Chance of Light Rain
Humidity
78%
Feels like
56°F
Dew Point
50°F
4 PM
55°F
50%
3mph
NW
50% Chance of Light Rain
Humidity
77%
Feels like
55°F
Dew Point
47°F
5 PM
52°F
50%
13mph
NNW
50% Chance of Light Rain
Humidity
74%
Feels like
52°F
Dew Point
44°F
6 PM
50°F
50%
17mph
NNW
50% Chance of Light Rain
Humidity
71%
Feels like
50°F
Dew Point
41°F
6:04 PM
7 PM
49°F
50%
18mph
N
50% Chance of Light Rain
Humidity
70%
Feels like
42°F
Dew Point
39°F
8 PM
48°F
50%
18mph
N
50% Chance of Light Rain
Humidity
70%
Feels like
41°F
Dew Point
38°F
9 PM
47°F
50%
18mph
N
50% Chance of Light Rain
Humidity
70%
Feels like
40°F
Dew Point
38°F
10 PM
46°F
40%
17mph
N
40% Chance of Light Rain
Humidity
71%
Feels like
39°F
Dew Point
38°F
11 PM
46°F
40%
14mph
N
40% Chance of Light Rain
Humidity
72%
Feels like
40°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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