Today
During the day rain, up to +48°, at night around +43°. Wind up to 4 mph. Precipitation chance reaches 100%.
Weather in Merthyr Tydfil
United Kingdom · Wales · 51.7479, -3.3778
Today Now 12:36 AM
+43° Overcast
Hourly forecast
Today10/20
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow rain, high +46°, low +43° — almost like today.
Week
During the week the thermometer stays between +43°…+54°. Peak warmth: Mon, +54°. Coldest night — Tue, around +43°. Days with precipitation — Tue, Wed, Thu, Fri, Sat. Strongest wind — Sun, up to 30 mph.
Week vs norm
- Today 10/20 +48° −6° usually +54°
- Tomorrow 10/21 +46° −7° usually +54°
- Thu 10/22 +52° −1° usually +53°
- Fri 10/23 +50° −3° usually +53°
- Sat 10/24 +52° −1° usually +53°
- Sun 10/25 +50° −3° usually +53°
- Mon 10/26 +54° +1° usually +52°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 20
Today is cooler than usual for this date.
- Heat record +60° 2022
- Cold record +32° 2010
- Most precipitation 1.0 in 2001
- Strongest gust 50 mph 2024
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Merthyr Tydfil
Today is about 6° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +43° / +35° | +39° | 4.5 |
| Feb | +44° / +35° | +39° | 3.8 |
| Mar | +47° / +37° | +42° | 3.4 |
| Apr | +52° / +39° | +46° | 3.3 |
| May | +58° / +44° | +51° | 3.7 |
| Jun | +62° / +49° | +56° | 3.5 |
| Jul | +65° / +53° | +59° | 3.7 |
| Aug | +65° / +53° | +59° | 3.8 |
| Sep | +61° / +49° | +55° | 3.7 |
| Oct | +55° / +45° | +50° | 5.0 |
| Nov | +48° / +40° | +44° | 4.7 |
| Dec | +44° / +36° | +40° | 5.0 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:46 AM | 6:09 PM
Moon
4:08 PM | 12:31 AM
Moon phase
Waxing gibbous 67%
Next solar eclipse
Calculating for this city…