Best time to visit Arlington, OR

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Arlington runs from April through June — 3 months of pleasant temperatures and modest rainfall.

January Cold
High
40.8°F
Low
29.7°F
Precip
1.47 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 52m

February Cool
High
46.9°F
Low
30.6°F
Precip
0.98 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 10h 8m

March Cool
High
55.6°F
Low
35.7°F
Precip
0.83 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 11h 40m

April Good
High
63.7°F
Low
42.0°F
Precip
0.61 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 13h 18m

May Excellent
High
73.2°F
Low
50.1°F
Precip
0.75 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 14h 43m

June Excellent
High
79.7°F
Low
56.6°F
Precip
0.48 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 15h 27m

July Hot
High
89.5°F
Low
63.2°F
Precip
0.10 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 15h 11m

August Hot
High
88.9°F
Low
62.0°F
Precip
0.15 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 13h 57m

September Excellent
High
80.0°F
Low
53.1°F
Precip
0.33 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 12h 18m

October Good
High
65.5°F
Low
42.0°F
Precip
0.81 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 40m

November Cool
High
50.4°F
Low
34.4°F
Precip
1.13 in

Mild but on the chilly side. Pack a jacket; great for hiking and city walks.

Daylight ≈ 9h 13m

December Cold
High
41.1°F
Low
29.9°F
Precip
1.66 in

Winter weather. Plan around weather; good for snow sports if applicable.

Daylight ≈ 8h 30m

Looking for similar climates? See Arlington's climate twins. Or jump straight to the full climate profile.