Historical Race Day Weather for the California International Marathon

December 7, 2025

Race day snapshot

Overcast

Start Line Conditions

Start Temp 43°F 6°C

Start Humidity 100% Humidity

Wind SE 1 mph Wind

Race day high 52°F 11°C

Race day low 42°F 6°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

Course-adjusted pacing

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December 8, 2024

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 39°F 4°C

Start Humidity 95% Humidity

Wind No Wind Wind

Race day high 66°F 19°C

Race day low 39°F 4°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 3, 2023

Race day snapshot

Clear

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 86% Humidity

Wind SE 4 mph Wind

Race day high 64°F 18°C

Race day low 52°F 11°C

PR Score 99.42 Normal score 100.38

Course Score 100.38 Course-only Score

December 4, 2022

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 90% Humidity

Wind S 7 mph Wind

Race day high 58°F 14°C

Race day low 42°F 6°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 5, 2021

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 40°F 4°C

Start Humidity 100% Humidity

Wind W 5 mph Wind

Race day high 60°F 16°C

Race day low 38°F 3°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 8, 2019

Race day snapshot

Possible Drizzle

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 94% Humidity

Wind SSE 8 mph Wind

Race day high 62°F 17°C

Race day low 51°F 11°C

PR Score 99.21 Normal score 100.38

Course Score 100.38 Course-only Score

Live Forecast Tool

Want course-specific race day conditions?

Use the weather tracker to see how temperatures, headwinds, and tailwinds could change across the course based on your goal time and start setup.

Open 2026 California International Marathon Weather Tracker

December 2, 2018

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 39°F 4°C

Start Humidity 90% Humidity

Wind N 4 mph Wind

Race day high 53°F 12°C

Race day low 39°F 4°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 3, 2017

Race day snapshot

Clear

Start Line Conditions

Start Temp 44°F 7°C

Start Humidity 83% Humidity

Wind SW 2 mph Wind

Race day high 58°F 14°C

Race day low 44°F 7°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 4, 2016

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 38°F 3°C

Start Humidity 96% Humidity

Wind SE 2 mph Wind

Race day high 59°F 15°C

Race day low 38°F 3°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 6, 2015

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 49°F 9°C

Start Humidity 83% Humidity

Wind S 8 mph Wind

Race day high 58°F 14°C

Race day low 46°F 8°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 7, 2014

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 96% Humidity

Wind NE 2 mph Wind

Race day high 63°F 17°C

Race day low 52°F 11°C

PR Score 99.71 Normal score 100.38

Course Score 100.38 Course-only Score

December 8, 2013

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 30°F -1°C

Start Humidity 96% Humidity

Wind N 4 mph Wind

Race day high 45°F 7°C

Race day low 30°F -1°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 2, 2012

Race day snapshot

Rain

Start Line Conditions

Start Temp 59°F 15°C

Start Humidity 87% Humidity

Wind SSE 20 mph Wind

Race day high 62°F 17°C

Race day low 55°F 13°C

PR Score 99.28 Normal score 100.38

Course Score 100.38 Course-only Score

December 4, 2011

Race day snapshot

Clear

Start Line Conditions

Start Temp 32°F 0°C

Start Humidity 75% Humidity

Wind No Wind Wind

Race day high 58°F 14°C

Race day low 31°F -1°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

December 5, 2010

Race day snapshot

Scattered Clouds

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 93% Humidity

Wind No Wind Wind

Race day high 58°F 14°C

Race day low 46°F 8°C

PR Score 99.63 Normal score 100.38

Course Score 100.38 Course-only Score

2009

Race day snapshot

Clear

Start Line Conditions

Start Temp 30°F -1°C

Start Humidity 70% Humidity

Wind SE 8 mph Wind

Race day high 51°F 11°C

Race day low 27°F -3°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

2008

Race day snapshot

Overcast

Start Line Conditions

Start Temp 42°F 6°C

Start Humidity 89% Humidity

Wind No Wind Wind

Race day high 45°F 7°C

Race day low 41°F 5°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score

2007

Race day snapshot

Scattered Clouds

Start Line Conditions

Start Temp 43°F 6°C

Start Humidity 56% Humidity

Wind SE 3 mph Wind

Race day high 60°F 16°C

Race day low 41°F 5°C

PR Score 100.38 Normal score 100.38

Course Score 100.38 Course-only Score