Historical Race Day Weather for the OC Marathon

May 3, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 59°F 15°C

Start Humidity 96% Humidity

Wind W 4 mph Wind

Race day high 66°F 19°C

Race day low 59°F 15°C

PR Score 96.67 Normal score 98.55

Course Score 99.05 Course-only Score

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May 4, 2025

Race day snapshot

Overcast

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 80% Humidity

Wind SW 6 mph Wind

Race day high 62°F 17°C

Race day low 57°F 14°C

PR Score 97.85 Normal score 98.55

Course Score 99.05 Course-only Score

May 5, 2024

Race day snapshot

Rain, Overcast

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 79% Humidity

Wind WSW 8 mph Wind

Race day high 66°F 19°C

Race day low 56°F 13°C

PR Score 98.66 Normal score 98.55

Course Score 99.05 Course-only Score

May 7, 2023

Race day snapshot

Clear

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 88% Humidity

Wind ESE 3 mph Wind

Race day high 65°F 18°C

Race day low 54°F 12°C

PR Score 98.07 Normal score 98.55

Course Score 99.05 Course-only Score

May 1, 2022

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 89% Humidity

Wind ESE 3 mph Wind

Race day high 68°F 20°C

Race day low 55°F 13°C

PR Score 97.83 Normal score 98.55

Course Score 99.05 Course-only Score

May 5, 2019

Race day snapshot

Overcast

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 85% Humidity

Wind SSE 1 mph Wind

Race day high 68°F 20°C

Race day low 57°F 14°C

PR Score 98.00 Normal score 98.55

Course Score 99.00 Course-only Score

May 6, 2018

Race day snapshot

Clear

Start Line Conditions

Start Temp 60°F 16°C

Start Humidity 77% Humidity

Wind SSW 1 mph Wind

Race day high 75°F 24°C

Race day low 59°F 15°C

PR Score 97.61 Normal score 98.55

Course Score 99.00 Course-only Score

May 7, 2017

Race day snapshot

Overcast

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 84% Humidity

Wind SE 6 mph Wind

Race day high 64°F 18°C

Race day low 53°F 12°C

PR Score 98.59 Normal score 98.55

Course Score 99.00 Course-only Score

May 1, 2016

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 85% Humidity

Wind S 8 mph Wind

Race day high 66°F 19°C

Race day low 56°F 13°C

PR Score 97.64 Normal score 98.55

Course Score 99.00 Course-only Score

May 3, 2015

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 97% Humidity

Wind NE 3 mph Wind

Race day high 68°F 20°C

Race day low 56°F 13°C

PR Score 97.22 Normal score 98.55

Course Score 99.00 Course-only Score

May 4, 2014

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 92% Humidity

Wind SE 3 mph Wind

Race day high 67°F 19°C

Race day low 56°F 13°C

PR Score 97.09 Normal score 98.55

Course Score 99.00 Course-only Score

May 5, 2013

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 86% Humidity

Wind SE 10 mph Wind

Race day high 63°F 17°C

Race day low 57°F 14°C

PR Score 97.93 Normal score 98.55

Course Score 99.18 Course-only Score