Detailed mountain weather forecast - Snowdonia
Updated: 1731 on Sat 18 May 2013
A much cloudier day than Sunday with only limited brightness, mainly to the south of the National Park. Low cloud will give extensive hill fog on northern slopes, and will be thick enough to produce outbreaks of light rain and drizzle. It will also be a windy day, especially at height, and will feel cold.
Generally moderate, but poor or very poor in hill fog and rain.
Extensive hill fog to low levels on northern slopes. Periods of hill fog above 400 metres elsewhere.
Maximum wind speeds above 500m
30mph northerly, becoming 20mph northeasterly by afternoon.
Valleys - Plus 10 Celsius
900 m - Plus 10 Celsius
Freezing level - Above the summits.