Weather St Mellons

Settings
Language
Daily forecast
Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Saturday

Light Rain

19°C 66°F 14°C 57°F South Westerly
Wind Speed 19 km/h 12 mph
Sunday

Light Rain Shower

16°C 61°F 13°C 55°F Westerly
Wind Speed 19 km/h 12 mph
Monday

Heavy Rain

15°C 59°F 14°C 57°F Southerly
Wind Speed 29 km/h 18 mph
Tuesday

Light Cloud

18°C 64°F 13°C 55°F Westerly
Wind Speed 21 km/h 13 mph
Wednesday

Light Cloud

18°C 64°F 15°C 59°F West South Westerly
Wind Speed 29 km/h 18 mph

IN ASSOCIATION WITH

Forecast

Sunrise 07:03 Sunset 19:05

Last updated 22:10

Weather forecast details for Saturday 24 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2300 hours0000 hours
Sun
0100 hours0200 hours0300 hours0400 hours0500 hours                 
Weather Conditions Light Rain Heavy Rain Shower Heavy Rain Heavy Rain Light Rain Light Cloud Light Rain Shower                  
Temperature (°C/°F) 17°C 63°F 17°C 63°F 16°C 61°F 15°C 59°F 15°C 59°F 15°C 59°F 14°C 57°F                  
Wind Speed (mph/km/h) Wind Speed 23 km/h 14 mph Southerly Wind Speed 23 km/h 14 mph Southerly Wind Speed 23 km/h 14 mph South Westerly Wind Speed 14 km/h 9 mph South Westerly Wind Speed 18 km/h 11 mph West South Westerly Wind Speed 16 km/h 10 mph West South Westerly Wind Speed 18 km/h 11 mph West South Westerly                  
Wind Direction S S SW SW WSW WSW WSW                  
Humidity 88% 88% 88% 90% 87% 85% 83%                  
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VGMPGVGVGVG                 
Pressure (Millibars) 1008 1008 1008 1008 1009 1009 1010                  

Wales

Forecast Summary

  • This Evening and Tonight

    Windy with outbreaks of heavy rain pushing across the area through the evening and first part of the night. This should clear to the east after midnight, then breezy with a few showers developing in the west by dawn.

Environmental Summary

UV: 3

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

Share this page

RSS Feeds
Print

Forecast Video

BBC Wales Today

Please turn on JavaScript. Media requires JavaScript to play.

Last updated 15:16 BST, Friday 23 SepForecast updated Monday to Friday only

UK

Please turn on JavaScript. Media requires JavaScript to play.

Last updated 21:02 BST, Saturday 24 Sep

Observations

Observed at 21:00, Saturday 24 September

Light Cloud

17°C 63°F

Wind Speed 18 km/h 11 mph Southerly

Humidity: 92%

Visibility: Very Good

Pressure: 1009mb, Falling

Observation station: St-Athan

(Lat: 51.405 | Lon: -3.44)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

Information given for most appropriate forecast location. See FAQs for details