Marine Corps Historic Half

Washington, DC, USA • May 17, 2026

Race Day Weather

60°

75° high

Breezy

Dry

Warm up, steady winds

Runners will face a temperature rising from 60°F to 74°F, with average humidity at 66%. A light headwind at 10 mph will shift to stronger gusts up to 25 mph. Adjusting pace to conserve energy in the warmer conditions is advisable, especially as the temperature climbs.

Race day forecast available in 25 days

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Pre-raceRace windowPost-race

Course Map

FAQ

When is the 2026 Marine Corps Historic Half?

The 2026 Marine Corps Historic Half will be held on Sunday May 17, 2026.

What will the weather be like for the 2026 Marine Corps Historic Half?

The forecast calls for a high of 75°F and a low of 60°F with a 0% chance of rain.

Historical Weather

Based on 18 years of data

Avg Temp

71°F

L:61° H:71°

RunScore

Conditions

Rain Freq

28%

5 of 18 yrs

Wind10mph

Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Marine Corps Historic Half Partly cloudy throughout the day. 2025	69°/73°	-	48°
2024 Marine Corps Historic Half Partly cloudy throughout the day. 2024	64°/71°	-	60°
2023 Marine Corps Historic Half Partly cloudy throughout the day with early morning rain. 2023	57°/74°	-	49°
2022 Marine Corps Historic Half Clearing in the afternoon with late afternoon rain. 2022	74°/82°	-	66°
2021 Marine Corps Historic Half Partly cloudy throughout the day. 2021	53°/72°	-	45°
2020 Marine Corps Historic Half Partly cloudy throughout the day. 2020	62°/66°	-	55°
2019 Marine Corps Historic Half Partly cloudy throughout the day. 2019	60°/71°	-	56°
2018 Marine Corps Historic Half Partly cloudy throughout the day with late afternoon rain. 2018	69°/85°	-	68°
2017 Marine Corps Historic Half Cloudy skies throughout the day. 2017	59°/66°	-	46°
2016 Marine Corps Historic Half Partly cloudy throughout the day with rain in the morning and afternoon. 2016	49°/59°	Light	31°
2015 Marine Corps Historic Half Partly cloudy throughout the day with rain. 2015	71°/81°	-	69°
2014 Marine Corps Historic Half Partly cloudy throughout the day. 2014	53°/66°	-	40°
2013 Marine Corps Historic Half Cloudy skies throughout the day with rain. 2013	62°/69°	Light	62°
2012 Marine Corps Historic Half Partly cloudy throughout the day. 2012	60°/78°	-	47°
2011 Marine Corps Historic Half Cloudy skies throughout the day with rain. 2011	63°/70°	Light	63°
2010 Marine Corps Historic Half Partly cloudy throughout the day. 2010	63°/70°	-	49°
2009 Marine Corps Historic Half Cloudy skies throughout the day with rain clearing later. 2009	59°/62°	Light	50°
2008 Marine Corps Historic Half Partly cloudy throughout the day with rain. 2008	59°/66°	Light	52°

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