Today 21st August:

Shetland dry in the morning, some sunshine in north, before the cloud and rain affecting Orkney slowly extends north. Winds easing over Orkney but turning murky and drizzly. Maximum temperature 16 °C.

Tonight:

This evening will be cloudy with some occasional light rain or drizzle. Little change for the rest of the night, misty low cloud across Orkney, Fair Isle and southern Shetland. Minimum temperature 13 °C.

Sunday 22nd August:

Cloudy with a little drizzly rain. Some haar possible across Orkney, Fair Isle and southern Shetland. Maximum temperature 16 °C.

Outlook for Monday to Wednesday:

A rather cloudy few days with some occasional drizzly rain. Haar likely to affect all parts at times. Information from The Met Office