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

12 AM
50°F
10%
8mph
S
Cloudy
Humidity
94%
Feels like
46°F
Dew Point
48°F
1 AM
49°F
10%
8mph
S
Cloudy
Humidity
94%
Feels like
46°F
Dew Point
48°F
2 AM
50°F
20%
6mph
SSE
Cloudy
Humidity
95%
Feels like
47°F
Dew Point
48°F
3 AM
50°F
30%
8mph
S
30% Chance of Light Rain
Humidity
94%
Feels like
46°F
Dew Point
48°F
4 AM
50°F
40%
8mph
S
40% Chance of Light Rain
Humidity
93%
Feels like
46°F
Dew Point
48°F
5 AM
50°F
20%
9mph
SSE
Cloudy
Humidity
93%
Feels like
46°F
Dew Point
48°F
6 AM
50°F
40%
9mph
SSE
40% Chance of Light Rain
Humidity
93%
Feels like
46°F
Dew Point
48°F
7 AM
50°F
40%
9mph
SSE
40% Chance of Light Rain
Humidity
92%
Feels like
50°F
Dew Point
48°F
7:12 AM
8 AM
51°F
50%
10mph
SSE
50% Chance of Light Rain
Humidity
91%
Feels like
51°F
Dew Point
48°F
9 AM
51°F
50%
12mph
SSE
50% Chance of Light Rain
Humidity
89%
Feels like
51°F
Dew Point
48°F
10 AM
52°F
50%
10mph
SSE
50% Chance of Light Rain
Humidity
88%
Feels like
52°F
Dew Point
49°F
11 AM
53°F
50%
11mph
S
50% Chance of Light Rain
Humidity
86%
Feels like
53°F
Dew Point
49°F
12 PM
54°F
50%
12mph
S
50% Chance of Light Rain
Humidity
86%
Feels like
54°F
Dew Point
50°F
1 PM
54°F
40%
12mph
S
40% Chance of Light Rain
Humidity
87%
Feels like
54°F
Dew Point
50°F
2 PM
54°F
30%
13mph
S
30% Chance of Light Rain
Humidity
88%
Feels like
54°F
Dew Point
50°F
3 PM
53°F
30%
12mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
53°F
Dew Point
50°F
4 PM
53°F
30%
12mph
SSW
30% Chance of Light Rain
Humidity
91%
Feels like
53°F
Dew Point
50°F
5 PM
52°F
30%
11mph
SSW
30% Chance of Light Rain
Humidity
92%
Feels like
52°F
Dew Point
49°F
5:49 PM
6 PM
51°F
20%
9mph
SSW
Mostly Cloudy
Humidity
93%
Feels like
51°F
Dew Point
49°F
7 PM
50°F
20%
8mph
SSW
Cloudy
Humidity
95%
Feels like
50°F
Dew Point
49°F
8 PM
50°F
20%
8mph
SSW
Cloudy
Humidity
96%
Feels like
50°F
Dew Point
49°F
9 PM
50°F
20%
8mph
SSW
Cloudy
Humidity
96%
Feels like
46°F
Dew Point
49°F
10 PM
49°F
20%
9mph
SSW
Cloudy
Humidity
97%
Feels like
45°F
Dew Point
48°F
11 PM
49°F
20%
7mph
SSW
Mostly Cloudy
Humidity
97%
Feels like
45°F
Dew Point
48°F

Snow Forecast through Tuesday Morning

Nor’easter Prepares to Slam Northeast

A classic Nor’easter storm system will develop and intensify on Sunday, slamming the Northeast with heavy snow, rapid winds, and coastal flooding.

Today's Weather Outlook

Weekend Weather Outlook

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

Snowmelt and Flooding

Windchill chart

Dangers of Wind Chills

Story Image via pixabay.com

Avalanche Dangers and Safety

Weekly Drought Map for February 19, 2026

Mixed Results to Drought Depiction Despite Active Pattern

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