Historical Race Day Weather for the Casper Marathon

June 7, 2026

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 64°F 18°C

Start Humidity 34% Humidity

Wind S 9 mph Wind

Race day high 86°F 30°C

Race day low 63°F 17°C

PR Score 93.44 Normal score 93.77

Course Score 93.77 Course-only Score

Course-adjusted pacing

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June 1, 2025

Race day snapshot

Clear

Start Line Conditions

Start Temp 51°F 11°C

Start Humidity 69% Humidity

Wind No Wind Wind

Race day high 87°F 31°C

Race day low 45°F 7°C

PR Score 93.17 Normal score 93.77

Course Score 93.77 Course-only Score

June 2, 2024

Race day snapshot

Clear

Start Line Conditions

Start Temp 56°F 13°C

Start Humidity 54% Humidity

Wind W 6 mph Wind

Race day high 74°F 23°C

Race day low 51°F 11°C

PR Score 93.37 Normal score 93.77

Course Score 93.77 Course-only Score

June 4, 2023

Race day snapshot

Partially cloudy

Start Line Conditions

Start Temp 55°F 13°C

Start Humidity 77% Humidity

Wind SE 2 mph Wind

Race day high 70°F 21°C

Race day low 53°F 12°C

PR Score 93.15 Normal score 93.77

Course Score 93.77 Course-only Score

June 5, 2022

Race day snapshot

Partly Cloudy

Start Line Conditions

Start Temp 58°F 14°C

Start Humidity 59% Humidity

Wind SW 12 mph Wind

Race day high 81°F 27°C

Race day low 55°F 13°C

PR Score 93.36 Normal score 93.77

Course Score 93.77 Course-only Score

June 6, 2021

Race day snapshot

Clear

Start Line Conditions

Start Temp 61°F 16°C

Start Humidity 56% Humidity

Wind NNW 11 mph Wind

Race day high 89°F 32°C

Race day low 58°F 14°C

PR Score 92.85 Normal score 93.77

Course Score 93.77 Course-only Score