Historical Race Day Weather for the Pacific Northwest Marathon

September 19, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 87% Humidity

Wind NNE 3 mph Wind

Race day high 77°F 25°C

Race day low 50°F 10°C

PR Score 98.52 Normal score 99.73

Course Score 99.73 Course-only Score

Course-adjusted pacing

Want to run your best Pacific Northwest Marathon?

Pacific Northwest Marathon Pace Bands are adjusted for the specific terrain of the course, your goal time, and pacing strategy.

Build your Pacific Northwest Marathon pace band

Still time to orderChoose Express Shipping at checkout for 1–2 day delivery to most areas.Shipping questions

September 20, 2025

Race day snapshot

Clear

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 89% Humidity

Wind WSW 9 mph Wind

Race day high 81°F 27°C

Race day low 53°F 12°C

PR Score 98.25 Normal score 99.73

Course Score 99.73 Course-only Score

September 21, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 96% Humidity

Wind N 3 mph Wind

Race day high 76°F 24°C

Race day low 45°F 7°C

PR Score 99.55 Normal score 99.73

Course Score 99.73 Course-only Score

September 16, 2023

Race day snapshot

Clear

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 77% Humidity

Wind S 2 mph Wind

Race day high 88°F 31°C

Race day low 52°F 11°C

PR Score 98.25 Normal score 99.73

Course Score 99.73 Course-only Score

September 17, 2022

Race day snapshot

Overcast

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 89% Humidity

Wind NNE 2 mph Wind

Race day high 71°F 22°C

Race day low 48°F 9°C

PR Score 99.53 Normal score 99.73

Course Score 99.73 Course-only Score

September 18, 2021

Race day snapshot

Rain

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 98% Humidity

Wind S 10 mph Wind

Race day high 67°F 19°C

Race day low 56°F 13°C

PR Score 98.01 Normal score 99.73

Course Score 100.04 Course-only Score

September 21, 2019

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 98% Humidity

Wind W 1 mph Wind

Race day high 74°F 23°C

Race day low 52°F 11°C

PR Score 98.70 Normal score 99.73

Course Score 100.04 Course-only Score

September 15, 2018

Race day snapshot

Foggy

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 96% Humidity

Wind S 2 mph Wind

Race day high 67°F 19°C

Race day low 45°F 7°C

PR Score 100.04 Normal score 99.73

Course Score 100.04 Course-only Score

May 13, 2017

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 95% Humidity

Wind S 6 mph Wind

Race day high 54°F 12°C

Race day low 44°F 7°C

PR Score 99.57 Normal score 99.73

Course Score 99.57 Course-only Score

May 28, 2016

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 83% Humidity

Wind N 2 mph Wind

Race day high 69°F 21°C

Race day low 44°F 7°C

PR Score 99.57 Normal score 99.73

Course Score 99.57 Course-only Score

May 2, 2015

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 43°F 6°C

Start Humidity 89% Humidity

Wind N 5 mph Wind

Race day high 68°F 20°C

Race day low 40°F 4°C

PR Score 99.57 Normal score 99.73

Course Score 99.57 Course-only Score