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St-Athan (nearest observation site to Porth)

Thursday (Thursday 19 October 2017)
04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Cloudy Overcast Drizzle Drizzle Drizzle Drizzle Drizzle Drizzle Light rain Light rain Light rain Drizzle Light rain Overcast Cloudy Drizzle Drizzle Light rain Light shower night Light rain
Temperature (°C)
12.5 ° 12.3 ° 11.8 ° 12.0 ° 11.7 ° 11.7 ° 11.8 ° 12.2 ° 12.2 ° 12.7 ° 13.8 ° 13.9 ° 14.2 ° 14.2 ° 13.9 ° 13.5 ° 14.1 ° 13.0 ° 12.9 ° 12.8 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
ESE 7 E 7 ESE 8 ESE 9 E 10 E 9 E 11 E 10 E 9 E 8 ESE 10 ESE 8 SE 8 SE 11 23 SE 11 31 SE 15 26 SSE 14 29 S 15 S 15 S 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
P P P P VP P M M M M G M VG VG VG P VG VG VG E
Humidity Expand
97% 97% 99% 99% 99% 99% 97% 96% 97% 98% 98% 97% 90% 87% 91% 94% 95% 83% 87% 87%
Pressure (hPa) Expand
1007 1006 1005 1005 1004 1004 1003 1002 1001 1000 999 998 997 996 995 994 993 993 993 992
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F F F F F F F F F F F
Sunrise: 07:44 Sunset: 18:12 Moon phase: New
Friday (Friday 20 October 2017)
00:00 01:00 02:00 03:00 04:00
Light rain Drizzle Overcast Overcast Overcast
Temperature (°C)
13.0 ° 13.7 ° 13.7 ° 13.4 ° 12.6 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSW 15 WSW 26 40 W 25 41 W 26 40 W 24 39
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E G G G M
Humidity Expand
88% 91% 91% 88% 95%
Pressure (hPa) Expand
992 992 993 995 997
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F R R R
Sunrise: 07:46 Sunset: 18:10 Moon phase: New

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Valley 16.3 °C
Lowest maximum temperature Lake Vyrnwy SAWS 11.1 °C
Lowest minimum temperature Trawsgoed 7.5 °C
Highest rainfall Usk No 2 22.2 mm
Sunniest Valley 0.0 hours

UK extremes

Parameter Location Value
Highest maximum temperature Manston 19.2 °C
Lowest maximum temperature Lake Vyrnwy SAWS 11.1 °C
Lowest minimum temperature Aviemore 4.4 °C
Highest rainfall Killowen 31.6 mm
Sunniest Kinloss 1.2 hours

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

Issued at:

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