Historical Race Day Weather for the Baltimore Marathon

October 18, 2025

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 72% Humidity

Wind No Wind Wind

Race day high 71°F 22°C

Race day low 45°F 7°C

PR Score 97.66 Normal score 97.72

Course Score 97.81 Course-only Score

Course-adjusted pacing

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October 19, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 80% Humidity

Wind NW 2 mph Wind

Race day high 68°F 20°C

Race day low 39°F 4°C

PR Score 97.81 Normal score 97.72

Course Score 97.81 Course-only Score

October 14, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 83% Humidity

Wind E 5 mph Wind

Race day high 62°F 17°C

Race day low 51°F 11°C

PR Score 96.68 Normal score 97.72

Course Score 97.81 Course-only Score

October 15, 2022

Race day snapshot

Clear

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 75% Humidity

Wind S 3 mph Wind

Race day high 72°F 22°C

Race day low 50°F 10°C

PR Score 97.45 Normal score 97.72

Course Score 97.81 Course-only Score

October 9, 2021

Race day snapshot

Overcast

Start Line Conditions

Start Temp 65°F 18°C

Start Humidity 88% Humidity

Wind E 7 mph Wind

Race day high 73°F 23°C

Race day low 63°F 17°C

PR Score 94.11 Normal score 97.72

Course Score 97.81 Course-only Score

October 19, 2019

Race day snapshot

Clear

Start Line Conditions

Start Temp 42°F 6°C

Start Humidity 94% Humidity

Wind NNE 4 mph Wind

Race day high 65°F 18°C

Race day low 41°F 5°C

PR Score 97.81 Normal score 97.72

Course Score 97.81 Course-only Score

October 20, 2018

Race day snapshot

Overcast

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 87% Humidity

Wind W 5 mph Wind

Race day high 66°F 19°C

Race day low 55°F 13°C

PR Score 96.96 Normal score 97.72

Course Score 97.81 Course-only Score

October 21, 2017

Race day snapshot

Clear

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 92% Humidity

Wind WSW 0 mph Wind

Race day high 74°F 23°C

Race day low 46°F 8°C

PR Score 96.83 Normal score 97.72

Course Score 97.81 Course-only Score

October 15, 2016

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 50°F 10°C

Start Humidity 77% Humidity

Wind NE 2 mph Wind

Race day high 70°F 21°C

Race day low 48°F 9°C

PR Score 97.75 Normal score 97.72

Course Score 97.81 Course-only Score

October 17, 2015

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 63% Humidity

Wind NW 9 mph Wind

Race day high 60°F 16°C

Race day low 47°F 8°C

PR Score 97.81 Normal score 97.72

Course Score 97.81 Course-only Score

October 18, 2014

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 60°F 16°C

Start Humidity 70% Humidity

Wind W 6 mph Wind

Race day high 69°F 21°C

Race day low 58°F 14°C

PR Score 96.92 Normal score 97.72

Course Score 97.81 Course-only Score

October 12, 2013

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 65°F 18°C

Start Humidity 75% Humidity

Wind NE 9 mph Wind

Race day high 69°F 21°C

Race day low 64°F 18°C

PR Score 95.27 Normal score 97.72

Course Score 97.81 Course-only Score

October 13, 2012

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 36°F 2°C

Start Humidity 82% Humidity

Wind No Wind Wind

Race day high 58°F 14°C

Race day low 35°F 2°C

PR Score 97.81 Normal score 97.72

Course Score 97.81 Course-only Score

October 15, 2011

Race day snapshot

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 74% Humidity

Wind 0 mph Wind

Race day high 71°F 22°C

Race day low 51°F 11°C

PR Score 97.04 Normal score 97.72

Course Score 97.81 Course-only Score