Historical Race Day Weather for the Fox Valley Marathon

September 20, 2026

Race day snapshot

Rain, Overcast

Start Line Conditions

Start Temp 65°F 18°C

Start Humidity 93% Humidity

Wind NE 11 mph Wind

Race day high 69°F 21°C

Race day low 63°F 17°C

PR Score 95.03 Normal score 97.58

Course Score 98.92 Course-only Score

Course-adjusted pacing

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September 21, 2025

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 66°F 19°C

Start Humidity 93% Humidity

Wind SSE 5 mph Wind

Race day high 79°F 26°C

Race day low 65°F 18°C

PR Score 94.33 Normal score 97.58

Course Score 99.14 Course-only Score

September 22, 2024

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 69°F 21°C

Start Humidity 89% Humidity

Wind SSW 8 mph Wind

Race day high 72°F 22°C

Race day low 61°F 16°C

PR Score 93.77 Normal score 97.58

Course Score 99.22 Course-only Score

September 17, 2023

Race day snapshot

Rain, Overcast

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 93% Humidity

Wind N 7 mph Wind

Race day high 65°F 18°C

Race day low 54°F 12°C

PR Score 97.14 Normal score 97.58

Course Score 99.22 Course-only Score

September 18, 2022

Race day snapshot

Overcast

Start Line Conditions

Start Temp 66°F 19°C

Start Humidity 95% Humidity

Wind SSW 7 mph Wind

Race day high 81°F 27°C

Race day low 66°F 19°C

PR Score 93.88 Normal score 97.58

Course Score 99.22 Course-only Score

September 19, 2021

Race day snapshot

Clear

Start Line Conditions

Start Temp 61°F 16°C

Start Humidity 96% Humidity

Wind E 3 mph Wind

Race day high 89°F 32°C

Race day low 60°F 16°C

PR Score 93.77 Normal score 97.58

Course Score 99.22 Course-only Score

September 22, 2019

Race day snapshot

Rain

Start Line Conditions

Start Temp 68°F 20°C

Start Humidity 90% Humidity

Wind SSW 13 mph Wind

Race day high 72°F 22°C

Race day low 65°F 18°C

PR Score 94.44 Normal score 97.58

Course Score 99.22 Course-only Score

September 16, 2018

Race day snapshot

Clear

Start Line Conditions

Start Temp 66°F 19°C

Start Humidity 95% Humidity

Wind E 2 mph Wind

Race day high 88°F 31°C

Race day low 65°F 18°C

PR Score 92.23 Normal score 97.58

Course Score 99.22 Course-only Score

September 17, 2017

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 67°F 19°C

Start Humidity 85% Humidity

Wind SSW 5 mph Wind

Race day high 80°F 27°C

Race day low 64°F 18°C

PR Score 94.44 Normal score 97.58

Course Score 99.22 Course-only Score

September 18, 2016

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 93% Humidity

Wind W 3 mph Wind

Race day high 80°F 27°C

Race day low 56°F 13°C

PR Score 96.37 Normal score 97.58

Course Score 99.22 Course-only Score

September 20, 2015

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 49°F 9°C

Start Humidity 86% Humidity

Wind N 2 mph Wind

Race day high 73°F 23°C

Race day low 47°F 8°C

PR Score 98.21 Normal score 97.58

Course Score 99.22 Course-only Score

September 21, 2014

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 90% Humidity

Wind W 10 mph Wind

Race day high 65°F 18°C

Race day low 57°F 14°C

PR Score 97.73 Normal score 97.58

Course Score 99.22 Course-only Score

September 22, 2013

Race day snapshot

Mostly Clear

Start Line Conditions

Start Temp 45°F 7°C

Start Humidity 93% Humidity

Wind N 5 mph Wind

Race day high 66°F 19°C

Race day low 43°F 6°C

PR Score 99.11 Normal score 97.58

Course Score 99.22 Course-only Score

September 16, 2012

Race day snapshot

Clear

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 93% Humidity

Wind No Wind Wind

Race day high 77°F 25°C

Race day low 47°F 8°C

PR Score 98.10 Normal score 97.58

Course Score 99.22 Course-only Score

September 18, 2011

Race day snapshot

Light Rain

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 75% Humidity

Wind ESE 6 mph Wind

Race day high 64°F 18°C

Race day low 55°F 13°C

PR Score 98.45 Normal score 97.58

Course Score 99.22 Course-only Score

September 19, 2010

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 53°F 12°C

Start Humidity 93% Humidity

Wind N 6 mph Wind

Race day high 66°F 19°C

Race day low 53°F 12°C

PR Score 98.34 Normal score 97.58

Course Score 99.22 Course-only Score