Weather in Eugene in October

A good month. October is a solid month to be in Eugene. Highs average 18.9 °C, lows 8 °C, and rain falls on 12 days — nothing in the month is working against you.

October ranks 6 of 12 in Eugene: past the worst of the year but short of July, which is the month to book if the dates are open.

Rain on 12 days, 4 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest October day reached 33.2 °C and the coldest night fell to -3.6 °C, and the wettest single day dropped 56 mm — roughly 49% of the month's rain in one day.

October is moderately variable: 15 mm in the driest year against 349 mm in the wettest, around an average of 114 mm. Roughly two Octobers in three land near that average, and the third does something else entirely.

Wind is light at 0.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 80%, high enough to notice on the warm days without dominating them.

How October sits in the year

The month is on the way down: 6.5 °C cooler than September, with November dropping another 6.3 °C. The first week and the last are not the same trip. Rain is the thing that moves: November brings 6 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in October

11.1 hours of daylight, losing 1.5 hours across the month. That is between Eugene's extremes of 15.5 and 8.9 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 25.1 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

October in Eugene versus nearby

If Eugene is one option among several, the nearby comparison is worth making. Portland is close enough to be a coin toss — within a degree on temperature, 2 days more rain. Tri-Cities is a better bet in October — within a degree on temperature, 6 days less rain.

So: October is a compromise. July is 25 points better and is what Eugene is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Eugene

See all twelve months in Eugene, or where else to go in October.