Historical Race Day Weather for the Seattle Marathon

November 30, 2025

Race day snapshot

Clear

Start Line Conditions

Start Temp 36°F 2°C

Start Humidity 89% Humidity

Wind E 2 mph Wind

Race day high 47°F 8°C

Race day low 35°F 2°C

PR Score 98.29 Normal score 98.22

Course Score 98.29 Course-only Score

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December 1, 2024

Race day snapshot

Overcast

Start Line Conditions

Start Temp 34°F 1°C

Start Humidity 97% Humidity

Wind N 1 mph Wind

Race day high 49°F 9°C

Race day low 33°F 1°C

PR Score 96.95 Normal score 98.22

Course Score 96.95 Course-only Score

November 26, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 36°F 2°C

Start Humidity 86% Humidity

Wind ENE 2 mph Wind

Race day high 47°F 8°C

Race day low 34°F 1°C

PR Score 96.95 Normal score 98.22

Course Score 96.95 Course-only Score

November 27, 2022

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 39°F 4°C

Start Humidity 90% Humidity

Wind SSW 6 mph Wind

Race day high 46°F 8°C

Race day low 38°F 3°C

PR Score 96.95 Normal score 98.22

Course Score 96.95 Course-only Score

November 28, 2021

Race day snapshot

Possible Drizzle

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 88% Humidity

Wind SSE 8 mph Wind

Race day high 55°F 13°C

Race day low 45°F 7°C

PR Score 97.26 Normal score 98.22

Course Score 97.71 Course-only Score

December 1, 2019

Race day snapshot

Drizzle

Start Line Conditions

Start Temp 40°F 4°C

Start Humidity 54% Humidity

Wind NNE 3 mph Wind

Race day high 42°F 6°C

Race day low 36°F 2°C

PR Score 98.03 Normal score 98.22

Course Score 98.03 Course-only Score

November 25, 2018

Race day snapshot

Overcast

Start Line Conditions

Start Temp 43°F 6°C

Start Humidity 91% Humidity

Wind ESE 2 mph Wind

Race day high 51°F 11°C

Race day low 41°F 5°C

PR Score 98.03 Normal score 98.22

Course Score 98.03 Course-only Score

November 26, 2017

Race day snapshot

Light Rain

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 80% Humidity

Wind S 12 mph Wind

Race day high 57°F 14°C

Race day low 45°F 7°C

PR Score 96.79 Normal score 98.22

Course Score 97.03 Course-only Score

November 27, 2016

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 44°F 7°C

Start Humidity 91% Humidity

Wind S 11 mph Wind

Race day high 48°F 9°C

Race day low 42°F 6°C

PR Score 98.87 Normal score 98.22

Course Score 98.87 Course-only Score

November 29, 2015

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 32°F 0°C

Start Humidity 94% Humidity

Wind S 7 mph Wind

Race day high 45°F 7°C

Race day low 29°F -2°C

PR Score 98.87 Normal score 98.22

Course Score 98.87 Course-only Score

November 30, 2014

Race day snapshot

Clear

Start Line Conditions

Start Temp 25°F -4°C

Start Humidity 73% Humidity

Wind NE 6 mph Wind

Race day high 34°F 1°C

Race day low 21°F -6°C

PR Score 98.87 Normal score 98.22

Course Score 98.87 Course-only Score

December 1, 2013

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 97% Humidity

Wind SW 22 mph Wind

Race day high 53°F 12°C

Race day low 47°F 8°C

PR Score 98.87 Normal score 98.22

Course Score 98.87 Course-only Score

November 25, 2012

Race day snapshot

Overcast

Start Line Conditions

Start Temp 40°F 4°C

Start Humidity 97% Humidity

Wind No Wind Wind

Race day high 46°F 8°C

Race day low 37°F 3°C

PR Score 98.87 Normal score 98.22

Course Score 98.87 Course-only Score

November 27, 2011

Race day snapshot

Light Rain

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 78% Humidity

Wind S 9 mph Wind

Race day high 55°F 13°C

Race day low 44°F 7°C

PR Score 98.79 Normal score 98.22

Course Score 98.87 Course-only Score

November 28, 2010

Race day snapshot

Overcast

Start Line Conditions

Start Temp 39°F 4°C

Start Humidity 92% Humidity

Wind SE 5 mph Wind

Race day high 44°F 7°C

Race day low 34°F 1°C

PR Score 98.87 Normal score 98.22

Course Score 98.87 Course-only Score

2009

Race day snapshot

Overcast

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 80% Humidity

Wind S 8 mph Wind

Race day high 54°F 12°C

Race day low 48°F 9°C

PR Score 98.87 Normal score 98.22

Course Score 98.87 Course-only Score

2008

Race day snapshot

Overcast

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 98% Humidity

Wind No Wind Wind

Race day high 55°F 13°C

Race day low 50°F 10°C

PR Score 98.06 Normal score 98.22

Course Score 98.87 Course-only Score