Historical Race Day Weather for the Portland Marathon

October 4, 2026

Race day snapshot

Clear

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 88% Humidity

Wind N 2 mph Wind

Race day high 80°F 27°C

Race day low 55°F 13°C

PR Score 96.40 Normal score 98.00

Course Score 98.00 Course-only Score

Course-adjusted pacing

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October 5, 2025

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 49°F 9°C

Start Humidity 100% Humidity

Wind N 5 mph Wind

Race day high 70°F 21°C

Race day low 49°F 9°C

PR Score 97.56 Normal score 98.00

Course Score 98.00 Course-only Score

October 6, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 90% Humidity

Wind No Wind Wind

Race day high 74°F 23°C

Race day low 46°F 8°C

PR Score 97.62 Normal score 98.00

Course Score 98.00 Course-only Score

October 1, 2023

Race day snapshot

Clear

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 92% Humidity

Wind N 3 mph Wind

Race day high 67°F 19°C

Race day low 45°F 7°C

PR Score 98.00 Normal score 98.00

Course Score 98.00 Course-only Score

October 2, 2022

Race day snapshot

Clear

Start Line Conditions

Start Temp 60°F 16°C

Start Humidity 79% Humidity

Wind N 3 mph Wind

Race day high 83°F 28°C

Race day low 59°F 15°C

PR Score 95.81 Normal score 98.00

Course Score 98.00 Course-only Score

October 3, 2021

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 91% Humidity

Wind ENE 1 mph Wind

Race day high 67°F 19°C

Race day low 47°F 8°C

PR Score 97.94 Normal score 98.00

Course Score 98.00 Course-only Score

October 6, 2019

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 44°F 7°C

Start Humidity 91% Humidity

Wind NNE 4 mph Wind

Race day high 74°F 23°C

Race day low 43°F 6°C

PR Score 98.00 Normal score 98.00

Course Score 98.00 Course-only Score

October 8, 2017

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 50°F 10°C

Start Humidity 84% Humidity

Wind WSW 3 mph Wind

Race day high 62°F 17°C

Race day low 48°F 9°C

PR Score 98.97 Normal score 98.00

Course Score 98.97 Course-only Score

October 9, 2016

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 59°F 15°C

Start Humidity 86% Humidity

Wind S 10 mph Wind

Race day high 65°F 18°C

Race day low 59°F 15°C

PR Score 97.25 Normal score 98.00

Course Score 98.70 Course-only Score

October 4, 2015

Race day snapshot

Clear

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 71% Humidity

Wind N 4 mph Wind

Race day high 79°F 26°C

Race day low 50°F 10°C

PR Score 98.70 Normal score 98.00

Course Score 98.70 Course-only Score

October 5, 2014

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 97% Humidity

Wind N 2 mph Wind

Race day high 82°F 28°C

Race day low 54°F 12°C

PR Score 97.44 Normal score 98.00

Course Score 98.70 Course-only Score

October 6, 2013

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 49°F 9°C

Start Humidity 78% Humidity

Wind E 0 mph Wind

Race day high 72°F 22°C

Race day low 49°F 9°C

PR Score 98.70 Normal score 98.00

Course Score 98.70 Course-only Score

October 7, 2012

Race day snapshot

Clear

Start Line Conditions

Start Temp 42°F 6°C

Start Humidity 79% Humidity

Wind W 9 mph Wind

Race day high 79°F 26°C

Race day low 41°F 5°C

PR Score 98.70 Normal score 98.00

Course Score 98.70 Course-only Score

October 9, 2011

Race day snapshot

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 88% Humidity

Wind 0 mph Wind

Race day high 59°F 15°C

Race day low 55°F 13°C

PR Score 97.94 Normal score 98.00

Course Score 98.70 Course-only Score

October 10, 2010

Race day snapshot

Start Line Conditions

Start Temp 61°F 16°C

Start Humidity 88% Humidity

Wind 0 mph Wind

Race day high 67°F 19°C

Race day low 46°F 8°C

PR Score 97.32 Normal score 98.00

Course Score 98.70 Course-only Score

2009

Race day snapshot

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 93% Humidity

Wind 0 mph Wind

Race day high 67°F 19°C

Race day low 47°F 8°C

PR Score 98.70 Normal score 98.00

Course Score 98.70 Course-only Score