Forecast issued 1645 Friday, 29 August 2008 / Cyhoeddwyd 1645 Dydd Gwener, 29 Awst 2008
| Forecast for daylight hours for Saturday / Rhagolwg ar gyfer oriau'r dydd Dydd Sadwrn |
| Hazards / Peryglon Nil. |
| General situation / Sefyllfa cyffredinol A mild and mainly dry southerly airflow will cover South Wales. |
| Weather / Tywydd Some patchy drizzle is possible, mainly across western parts of the area, otherwise a dry day is in store. Although it will start mostly cloudy, some bright or sunny intervals will develop by afternoon, the best of these in the north and east of the area. |
| Visibility / Gwelededd Mainly good but moderate at times in any drizzle and poor in hill fog. |
| Cloud base / Gwaelod y cymylau Around 750 to 900 metres but down to 450 to 600 metres at times over some western parts of the area. |
| Wind and temperature at 800m / Gwynt a thymheredd at 800m Southerly at 20 mph. 12 degrees Celsius. |
| Freezing level / Lefel rhewi Well above the summits. |
| Forecast for daylight hours for Sunday / Rhagolwg ar gyfer oriau'r dydd Dydd Sul |
| Weather/ Tywydd A mainly cloudy and dry start on Sunday with just some patchy drizzle, mainly in the west of the area. However, some showers or longer spells of rain will develop during the morning and early afternoon. Becoming drier and brighter in the evening. |
| Visibility, cloud base / Gwelededd, Gwaelod y cymylau Mainly good at first but moderate in any drizzle and also in rain or showers later./The main cloud base around 750 to 900 metres but lowering in 450 metres in precipitation. |
| Wind, temperature, freezing level / Gwynt, thymheredd, lefel rhewi South or southeast at 15 to 20 mph, becoming mainly westerly later/13 degrees Celsius/Above the summits. |
Outlook for Monday / Rhagolygon ar gyfer Dydd Llun
There will be a mixture of sunshine and showers, some of these heavy and possibly thundery. Winds are going to be light or moderate, mainly westerly. Becoming cooler than of late.
Outlook for Tuesday / Rhagolygon ar gyfer Dydd MawrthA mix of bright or sunny intervals and scattered showers at first but becoming increasingly cloudy with longer spells of rain developing during the morning. The rain will be quite heavy at times with a risk of thunder. Winds moderate to fresh west or southwesterly.
Outlook for Wednesday / Rhagolygon ar gyfer Dydd MercherWednesday will see a return to sunshine and showers. Winds becoming fresh to strong northwesterly.
Weather forecast for Wales / Rhagolygon y tywydd i Gymru
