... including targeted forecasts at the time of your arrival to each point!
Allyn, Washington has a temperate oceanic climate year round, with mild winters and cool summers. The average annual temperature is 11°C (52°F).
In winter (December-February), temperatures range from 1°C (34°F) to 8°C (46°F), with occasional snowfall. January is usually the coldest month with an average temperature of 3°C (37°F).
In spring (March-May) temperatures start to warm up, with an average of 10°C (50°F). April is the wettest month, with an average precipitation of 10 cm (4 in).
In summer (June-August), temperatures reach an average of 17°C (63°F). July is the hottest month with an average temperature of 19°C (66°F).
In autumn (September-November) temperatures cool down again, with an average of 8°C (46°F). October is usually the wettest month, with an average precipitation of 11 cm (4 in).
As of 2020, the city population is 2504.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Allyn, Washington.