Hourly Weather Forecast - Merthyr Tydfil, Merthyr Tydfil - Merthyr Tudful, GB

12 AM
32°F
0%
12mph
ENE
Partly Cloudy
Humidity
90%
Feels like
23°F
Dew Point
29°F
1 AM
32°F
0%
12mph
ENE
Partly Cloudy
Humidity
91%
Feels like
22°F
Dew Point
29°F
2 AM
32°F
0%
12mph
ENE
Partly Cloudy
Humidity
91%
Feels like
23°F
Dew Point
30°F
3 AM
32°F
0%
13mph
ENE
Partly Cloudy
Humidity
92%
Feels like
23°F
Dew Point
30°F
4 AM
33°F
0%
12mph
ENE
Partly Cloudy
Humidity
91%
Feels like
23°F
Dew Point
30°F
5 AM
33°F
0%
12mph
ENE
Hazy
Humidity
91%
Feels like
24°F
Dew Point
31°F
6 AM
33°F
0%
11mph
NE
Hazy
Humidity
91%
Feels like
25°F
Dew Point
31°F
7 AM
34°F
0%
11mph
NE
Clear
Humidity
90%
Feels like
25°F
Dew Point
31°F
8 AM
35°F
0%
12mph
NE
Mostly Clear
Humidity
89%
Feels like
26°F
Dew Point
32°F
8:20 AM
9 AM
35°F
10%
12mph
ENE
Mostly Sunny
Humidity
87%
Feels like
27°F
Dew Point
32°F
10 AM
37°F
10%
13mph
ENE
Mostly Sunny
Humidity
85%
Feels like
28°F
Dew Point
33°F
11 AM
38°F
10%
14mph
ENE
Mostly Sunny
Humidity
82%
Feels like
29°F
Dew Point
33°F
12 PM
38°F
10%
15mph
ENE
Mostly Sunny
Humidity
81%
Feels like
30°F
Dew Point
33°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide