Historical Race Day Weather for the Skagit Flats Marathon

September 14, 2025

Race day snapshot

Overcast

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 99% Humidity

Wind SSW 7 mph Wind

Race day high 63°F 17°C

Race day low 53°F 12°C

PR Score 97.57 Normal score 99.30

Course Score 99.81 Course-only Score

Course-adjusted pacing

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September 8, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 60°F 16°C

Start Humidity 99% Humidity

Wind SE 2 mph Wind

Race day high 72°F 22°C

Race day low 55°F 13°C

PR Score 95.89 Normal score 99.30

Course Score 99.81 Course-only Score

October 1, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 47°F 8°C

Start Humidity 92% Humidity

Wind SSW 1 mph Wind

Race day high 63°F 17°C

Race day low 43°F 6°C

PR Score 99.48 Normal score 99.30

Course Score 99.79 Course-only Score

September 11, 2022

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 62°F 17°C

Start Humidity 45% Humidity

Wind ESE 6 mph Wind

Race day high 81°F 27°C

Race day low 59°F 15°C

PR Score 98.40 Normal score 99.30

Course Score 99.79 Course-only Score

September 12, 2021

Race day snapshot

Rain

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 95% Humidity

Wind SW 4 mph Wind

Race day high 68°F 20°C

Race day low 54°F 12°C

PR Score 98.10 Normal score 99.30

Course Score 99.79 Course-only Score

September 8, 2019

Race day snapshot

Possible Drizzle

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 84% Humidity

Wind SSE 6 mph Wind

Race day high 72°F 22°C

Race day low 58°F 14°C

PR Score 98.23 Normal score 99.30

Course Score 99.79 Course-only Score

September 9, 2018

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 85% Humidity

Wind SE 7 mph Wind

Race day high 68°F 20°C

Race day low 55°F 13°C

PR Score 98.63 Normal score 99.30

Course Score 99.79 Course-only Score

September 10, 2017

Race day snapshot

Mostly Cloudy

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 89% Humidity

Wind SSE 2 mph Wind

Race day high 70°F 21°C

Race day low 52°F 11°C

PR Score 98.57 Normal score 99.30

Course Score 99.79 Course-only Score

September 11, 2016

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 83% Humidity

Wind SW 3 mph Wind

Race day high 66°F 19°C

Race day low 53°F 12°C

PR Score 99.00 Normal score 99.30

Course Score 99.79 Course-only Score

September 13, 2015

Race day snapshot

Cloudy

Start Line Conditions

Start Temp 60°F 16°C

Start Humidity 75% Humidity

Wind SE 1 mph Wind

Race day high 66°F 19°C

Race day low 55°F 13°C

PR Score 98.50 Normal score 99.30

Course Score 99.79 Course-only Score

September 7, 2014

Race day snapshot

Clear

Start Line Conditions

Start Temp 57°F 14°C

Start Humidity 83% Humidity

Wind E 1 mph Wind

Race day high 76°F 24°C

Race day low 53°F 12°C

PR Score 97.79 Normal score 99.30

Course Score 99.79 Course-only Score

September 8, 2013

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 90% Humidity

Wind SW 2 mph Wind

Race day high 74°F 23°C

Race day low 56°F 13°C

PR Score 97.20 Normal score 99.30

Course Score 99.79 Course-only Score