Casper 10K

Casper, WY, USA · June 6, 2027·

51°·53° high·Light·Dry

Weather

Race Day Weather

51°at start

71° high

Breezy

Dry

Your goal

0:00:00

to see the forecast where you'll be

Comfortable temps, big temp swing

Mild 51°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 71°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.

Race day forecast available in 216 days

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Distance: 6.2mi

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Race Info

The Casper Marathon 10K is the shortest distance of the Casper race weekend, run on the first Sunday in June and starting at the WYO Sports Ranch in Casper, Wyoming. It gives newer runners and families a way to take part in the same event as the marathon and half marathon.

Website

Race weekend

Sunday, June 6

6:00 AMMarathon (26.2 mi)6:00 AMHalf Marathon (13.1 mi)

6:00 AM10K (6.2 mi)

Course Map

FAQ

When is the 2027 Casper 10K?

The 2027 Casper 10K will be held on Sunday June 6, 2027.

What will the weather be like for the 2027 Casper 10K?

The forecast calls for a high of 73°F and a low of 49°F with a 7% chance of rain. Check our detailed hourly forecast above for the best 10K race plan.

Historical Weather

Based on 23 years of data

Avg Temp

50°F

L:47° H:53°

RunScore

Conditions

Rain Freq

1 of 23 yrs

Wind6mph

Dew43°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Casper 10K Clear conditions throughout the day. 2026	51°/58°	-	48°
2025 Casper 10K Clear conditions throughout the day with late afternoon rain. 2025	47°/57°	-	42°
2024 Casper 10K Becoming cloudy in the afternoon with afternoon rain. 2024	56°/57°	-	40°
2023 Casper 10K Partly cloudy throughout the day with afternoon rain. 2023	52°/55°	-	52°
2022 Casper 10K Becoming cloudy in the afternoon. 2022	51°/53°	-	46°
2021 Casper 10K Clear conditions throughout the day. 2021	57°/63°	-	44°
2019 Casper 10K Clear conditions throughout the day. 2019	44°/51°	-	46°
2018 Casper 10K Clear conditions throughout the day. 2018	39°/46°	-	39°
2017 Casper 10K Clear conditions throughout the day. 2017	46°/55°	-	45°
2016 Casper 10K Partly cloudy throughout the day. 2016	48°/50°	-	43°
2015 Casper 10K Partly cloudy throughout the day with rain clearing later. 2015	53°/54°	Light	51°
2014 Casper 10K Partly cloudy throughout the day with rain. 2014	44°/49°	-	44°
2013 Casper 10K Clear conditions throughout the day. 2013	36°/46°	-	35°
2012 Casper 10K Clear conditions throughout the day with afternoon rain. 2012	53°/59°	-	45°
2011 Casper 10K Clear conditions throughout the day. 2011	45°/48°	-	44°
2010 Casper 10K Clear conditions throughout the day. 2010	43°/50°	-	43°
2009 Casper 10K Cloudy skies throughout the day with rain. 2009	41°/43°	-	40°
2008 Casper 10K Partly cloudy throughout the day. 2008	36°/41°	-	29°
2007 Casper 10K Clear conditions throughout the day. 2007	40°/48°	-	43°
2006 Casper 10K Clear conditions throughout the day. 2006	48°/55°	-	46°
2005 Casper 10K Clear conditions throughout the day. 2005	45°/52°	-	41°
2004 Casper 10K Clear conditions throughout the day. 2004	63°/70°	-	38°
2003 Casper 10K Partly cloudy throughout the day with late afternoon rain. 2003	50°/52°	-	49°

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