Historical Race Day Weather for the Hartford Marathon

October 11, 2025

Race day snapshot

Overcast

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 72% Humidity

Wind N 4 mph Wind

Race day high 65°F 18°C

Race day low 51°F 11°C

PR Score 97.53 Normal score 98.39

Course Score 98.39 Course-only Score

Course-adjusted pacing

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October 19, 2024

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 42°F 6°C

Start Humidity 89% Humidity

Wind No Wind Wind

Race day high 71°F 22°C

Race day low 36°F 2°C

PR Score 98.39 Normal score 98.39

Course Score 98.39 Course-only Score

October 14, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 79% Humidity

Wind NW 3 mph Wind

Race day high 56°F 13°C

Race day low 45°F 7°C

PR Score 98.39 Normal score 98.39

Course Score 98.39 Course-only Score

October 8, 2022

Race day snapshot

Clear

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 71% Humidity

Wind NW 6 mph Wind

Race day high 60°F 16°C

Race day low 46°F 8°C

PR Score 98.70 Normal score 98.39

Course Score 98.70 Course-only Score

October 9, 2021

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 90% Humidity

Wind NNE 4 mph Wind

Race day high 66°F 19°C

Race day low 56°F 13°C

PR Score 96.59 Normal score 98.39

Course Score 98.51 Course-only Score

October 12, 2019

Race day snapshot

Overcast

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 82% Humidity

Wind N 8 mph Wind

Race day high 66°F 19°C

Race day low 50°F 10°C

PR Score 98.67 Normal score 98.39

Course Score 98.70 Course-only Score

October 13, 2018

Race day snapshot

Drizzle

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 85% Humidity

Wind SSW 2 mph Wind

Race day high 54°F 12°C

Race day low 45°F 7°C

PR Score 98.70 Normal score 98.39

Course Score 98.70 Course-only Score

October 14, 2017

Race day snapshot

Drizzle

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 90% Humidity

Wind NNE 1 mph Wind

Race day high 70°F 21°C

Race day low 57°F 14°C

PR Score 96.66 Normal score 98.39

Course Score 98.70 Course-only Score

October 8, 2016

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 100% Humidity

Wind SE 2 mph Wind

Race day high 69°F 21°C

Race day low 48°F 9°C

PR Score 97.48 Normal score 98.39

Course Score 98.70 Course-only Score

October 10, 2015

Race day snapshot

Clear

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 80% Humidity

Wind N 5 mph Wind

Race day high 61°F 16°C

Race day low 47°F 8°C

PR Score 98.70 Normal score 98.39

Course Score 98.70 Course-only Score

October 11, 2014

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 89% Humidity

Wind NE 3 mph Wind

Race day high 58°F 14°C

Race day low 46°F 8°C

PR Score 98.70 Normal score 98.39

Course Score 98.70 Course-only Score

October 12, 2013

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 48°F 9°C

Start Humidity 96% Humidity

Wind N 5 mph Wind

Race day high 68°F 20°C

Race day low 47°F 8°C

PR Score 98.28 Normal score 98.39

Course Score 98.70 Course-only Score

October 13, 2012

Race day snapshot

Overcast

Start Line Conditions

Start Temp 32°F 0°C

Start Humidity 93% Humidity

Wind No Wind Wind

Race day high 54°F 12°C

Race day low 28°F -2°C

PR Score 98.70 Normal score 98.39

Course Score 98.70 Course-only Score

October 15, 2011

Race day snapshot

Start Line Conditions

Start Temp 54°F 12°C

Start Humidity 69% Humidity

Wind 0 mph Wind

Race day high 66°F 19°C

Race day low 53°F 12°C

PR Score 98.41 Normal score 98.39

Course Score 98.70 Course-only Score

October 9, 2010

Race day snapshot

Start Line Conditions

Start Temp 60°F 16°C

Start Humidity 57% Humidity

Wind 0 mph Wind

Race day high 68°F 20°C

Race day low 56°F 13°C

PR Score 98.51 Normal score 98.39

Course Score 98.70 Course-only Score