Best time to visit Arlington, WA
A month-by-month travel weather guide based on NOAA 30-year climate normals.
The most comfortable travel window in Arlington runs from May through September — 5 months of pleasant temperatures and modest rainfall.
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 8h 34m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 9h 58m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 11h 38m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 13h 25m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 59m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 15h 48m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 15h 29m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 14h 7m
Comfortable for most activities. Bring layers; nights can be cool.
Daylight ≈ 12h 20m
Mild but on the chilly side. Pack a jacket; great for hiking and city walks.
Daylight ≈ 10h 33m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 8h 57m
Frequent rain. Bring waterproof gear; outdoor plans need flexibility.
Daylight ≈ 8h 9m
Looking for similar climates? See Arlington's climate twins. Or jump straight to the full climate profile.