I cannot provide real-time weather data, as my knowledge is current only up to September 2021. Weather conditions change constantly, so for the most accurate and up-to-date temperature in Iceland, please consult one of these reliable sources:
Iceland's weather is notoriously variable due to its subarctic maritime climate. Temperatures can shift rapidly, and conditions differ significantly between coastal areas, the highlands, and the capital Reykjavík. Always check a live source before planning outdoor activities.