Portland in October
In October, Portland averages 17°C (63°F) during the day and 9°C (47°F) at night, with frequent rain — about 17 days of the month see precipitation (143 mm total).
Off-peakConditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.
It's peak hurricane season in Portland during October. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How October compares to the rest of the year in Portland
October is in the middle of the year for warmth in Portland (6th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature matches the city's annual average. October runs 7°C cooler than September (24°C) and cools 6°C in November (11°C).
October sunrise & sunset in Portland
Times shown for Portland local time (America/Los_Angeles), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Portland — October
Golden-hour and blue-hour windows for the 15th of October, in Portland's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Portland in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Off-peak) and Portland's popularity.
Crowds & pricing — October in Portland
This is off-peak for Portland — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.
Why this tier: peak hazard season (1 active)
Sun & mosquito risk — October in Portland
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Portland in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 9°C / 47°F | 2°C / 36°F | 170 mm | 21 | — |
| February | 9°C / 48°F | 2°C / 35°F | 147 mm | 20 | — |
| March | 12°C / 54°F | 3°C / 38°F | 148 mm | 21 | — |
| April | 15°C / 60°F | 6°C / 42°F | 115 mm | 19 | — |
| May | 20°C / 68°F | 9°C / 49°F | 71 mm | 15 | — |
| June | 24°C / 75°F | 12°C / 54°F | 55 mm | 12 | — |
| July | 29°C / 83°F | 15°C / 58°F | 9 mm | 5 | — |
| August | 29°C / 84°F | 15°C / 60°F | 13 mm | 7 | — |
| September | 24°C / 75°F | 12°C / 54°F | 61 mm | 12 | — |
| October | 17°C / 63°F | 9°C / 47°F | 143 mm | 17 | — |
| November | 11°C / 51°F | 4°C / 40°F | 175 mm | 20 | — |
| December | 7°C / 45°F | 2°C / 36°F | 216 mm | 21 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Portland in October →
Frequently asked questions
How hot is Portland in October?
In October, Portland averages a high of 17°C (63°F) and a low of 9°C (47°F) — generally mild and pleasant.
Does it rain a lot in Portland in October?
October is quite rainy in Portland, with about 17 rainy days on average.
Is October a good time to visit Portland?
October is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Portland in October?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full October packing list for Portland for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.