Historical Race Day Weather for the Greater St. Louis Marathon

April 11, 2026

Race day snapshot

Clear

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 82% Humidity

Wind ENE 6 mph Wind

Race day high 71°F 22°C

Race day low 49°F 9°C

PR Score 97.46 Normal score 97.81

Course Score 97.81 Course-only Score

Course-adjusted pacing

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April 26, 2025

Race day snapshot

Overcast

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 76% Humidity

Wind NNE 10 mph Wind

Race day high 64°F 18°C

Race day low 53°F 12°C

PR Score 98.72 Normal score 97.81

Course Score 98.96 Course-only Score

April 27, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 67°F 19°C

Start Humidity 73% Humidity

Wind SSW 8 mph Wind

Race day high 78°F 26°C

Race day low 62°F 17°C

PR Score 94.34 Normal score 97.81

Course Score 98.96 Course-only Score

April 2, 2023

Race day snapshot

Clear

Start Line Conditions

Start Temp 40°F 4°C

Start Humidity 81% Humidity

Wind SE 8 mph Wind

Race day high 69°F 21°C

Race day low 36°F 2°C

PR Score 98.96 Normal score 97.81

Course Score 98.96 Course-only Score

April 3, 2022

Race day snapshot

Clear

Start Line Conditions

Start Temp 37°F 3°C

Start Humidity 83% Humidity

Wind SW 3 mph Wind

Race day high 68°F 20°C

Race day low 36°F 2°C

PR Score 98.96 Normal score 97.81

Course Score 98.96 Course-only Score

April 11, 2021

Race day snapshot

Rain

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 94% Humidity

Wind ESE 7 mph Wind

Race day high 72°F 22°C

Race day low 55°F 13°C

PR Score 96.77 Normal score 97.81

Course Score 98.20 Course-only Score

April 7, 2019

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 61°F 16°C

Start Humidity 82% Humidity

Wind SSW 1 mph Wind

Race day high 78°F 26°C

Race day low 60°F 16°C

PR Score 95.37 Normal score 97.81

Course Score 98.20 Course-only Score

April 8, 2018

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 29°F -2°C

Start Humidity 66% Humidity

Wind ENE 3 mph Wind

Race day high 44°F 7°C

Race day low 29°F -2°C

PR Score 97.65 Normal score 97.81

Course Score 97.65 Course-only Score

April 9, 2017

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 59°F 15°C

Start Humidity 75% Humidity

Wind S 13 mph Wind

Race day high 82°F 28°C

Race day low 65°F 18°C

PR Score 95.77 Normal score 97.81

Course Score 97.65 Course-only Score

April 10, 2016

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 71% Humidity

Wind S 13 mph Wind

Race day high 64°F 18°C

Race day low 52°F 11°C

PR Score 97.65 Normal score 97.81

Course Score 97.65 Course-only Score

April 12, 2015

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 66% Humidity

Wind SE 5 mph Wind

Race day high 73°F 23°C

Race day low 49°F 9°C

PR Score 97.65 Normal score 97.81

Course Score 97.65 Course-only Score

April 6, 2014

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 39°F 4°C

Start Humidity 86% Humidity

Wind E 4 mph Wind

Race day high 59°F 15°C

Race day low 38°F 3°C

PR Score 97.31 Normal score 97.81

Course Score 97.31 Course-only Score

April 7, 2013

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 59°F 15°C

Start Humidity 65% Humidity

Wind W 3 mph Wind

Race day high 76°F 24°C

Race day low 57°F 14°C

PR Score 96.41 Normal score 97.81

Course Score 97.31 Course-only Score

April 15, 2012

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 69°F 21°C

Start Humidity 51% Humidity

Wind S 15 mph Wind

Race day high 78°F 26°C

Race day low 58°F 14°C

PR Score 94.18 Normal score 97.81

Course Score 97.31 Course-only Score

April 10, 2011

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 72°F 22°C

Start Humidity 64% Humidity

Wind S 13 mph Wind

Race day high 64°F 18°C

Race day low 67°F 19°C

PR Score 92.95 Normal score 97.81

Course Score 97.31 Course-only Score

April 11, 2010

Race day snapshot

Scattered Clouds

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 49% Humidity

Wind No Wind Wind

Race day high 82°F 28°C

Race day low 56°F 13°C

PR Score 96.76 Normal score 97.81

Course Score 97.31 Course-only Score