Historical Race Day Weather for the Mount Desert Island Marathon

October 18, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 72% Humidity

Wind NW 17 mph Wind

Race day high 50°F 10°C

Race day low 45°F 7°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

Course-adjusted pacing

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October 19, 2025

Race day snapshot

Clear

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 92% Humidity

Wind No Wind Wind

Race day high 60°F 16°C

Race day low 38°F 3°C

PR Score 96.61 Normal score 96.85

Course Score 96.85 Course-only Score

October 20, 2024

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 98% Humidity

Wind NNW 0 mph Wind

Race day high 70°F 21°C

Race day low 35°F 2°C

PR Score 96.71 Normal score 96.85

Course Score 96.85 Course-only Score

October 15, 2023

Race day snapshot

Clear

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 88% Humidity

Wind N 3 mph Wind

Race day high 56°F 13°C

Race day low 38°F 3°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

October 16, 2022

Race day snapshot

Clear

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 88% Humidity

Wind WSW 6 mph Wind

Race day high 56°F 13°C

Race day low 51°F 11°C

PR Score 96.53 Normal score 96.85

Course Score 96.85 Course-only Score

October 20, 2019

Race day snapshot

Clear

Start Line Conditions

Start Temp 42°F 6°C

Start Humidity 94% Humidity

Wind N 5 mph Wind

Race day high 52°F 11°C

Race day low 41°F 5°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

October 14, 2018

Race day snapshot

Clear

Start Line Conditions

Start Temp 44°F 7°C

Start Humidity 68% Humidity

Wind WNW 15 mph Wind

Race day high 54°F 12°C

Race day low 42°F 6°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

October 15, 2017

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 97% Humidity

Wind SSE 6 mph Wind

Race day high 61°F 16°C

Race day low 53°F 12°C

PR Score 95.10 Normal score 96.85

Course Score 96.85 Course-only Score

October 16, 2016

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 50°F 10°C

Start Humidity 86% Humidity

Wind SW 14 mph Wind

Race day high 62°F 17°C

Race day low 39°F 4°C

PR Score 96.60 Normal score 96.85

Course Score 96.85 Course-only Score

October 18, 2015

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 39°F 4°C

Start Humidity 50% Humidity

Wind NW 13 mph Wind

Race day high 44°F 7°C

Race day low 27°F -3°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

October 19, 2014

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 83% Humidity

Wind NW 12 mph Wind

Race day high 52°F 11°C

Race day low 46°F 8°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

October 20, 2013

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 77% Humidity

Wind S 8 mph Wind

Race day high 60°F 16°C

Race day low 50°F 10°C

PR Score 96.77 Normal score 96.85

Course Score 96.85 Course-only Score

October 14, 2012

Race day snapshot

Overcast

Start Line Conditions

Start Temp 39°F 4°C

Start Humidity 96% Humidity

Wind ESE 4 mph Wind

Race day high 49°F 9°C

Race day low 47°F 8°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

October 16, 2011

Race day snapshot

Overcast

Start Line Conditions

Start Temp 52°F 11°C

Start Humidity 69% Humidity

Wind SSW 9 mph Wind

Race day high 60°F 16°C

Race day low 46°F 8°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score

October 17, 2010

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 46°F 8°C

Start Humidity 76% Humidity

Wind W 5 mph Wind

Race day high 60°F 16°C

Race day low 39°F 4°C

PR Score 96.85 Normal score 96.85

Course Score 96.85 Course-only Score