Marathon de Nantes

Nantes, Loire-Atlantique, France · April 26, 2026

54°·67° high·Light·Dry

Weather

Course

FAQ

History

Race Day Weather

54°at start

70° high

Light

Dry

Warming trend, humid conditions

Runners will face a temperature rise from 53°F to 70°F, with humidity averaging 84%. A light breeze from the ESE at 7 mph will provide minimal relief. To combat the heat and humidity, it's advisable to adjust pacing and prioritize hydration throughout the race.

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

3 PM

Pre-raceRace windowPost-race

Get forecast alerts for Marathon de Nantes

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Website

Course Map

FAQ

When is the 2026 Marathon de Nantes?

The 2026 Marathon de Nantes will be held on Sunday April 26, 2026.

What will the weather be like for the 2026 Marathon de Nantes?

The forecast calls for a high of 70°F and a low of 53°F with a 19% chance of rain.

Historical Weather

Based on 23 years of data

Avg Temp

57°F

L:45° H:58°

RunScore

Conditions

Rain Freq

35%

8 of 23 yrs

Wind12mph

Dew44°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Marathon de Nantes Clear conditions throughout the day. 2025	47°/67°	-	49°
2024 Marathon de Nantes Becoming cloudy in the afternoon. 2024	38°/53°	-	36°
2023 Marathon de Nantes Partly cloudy throughout the day with a chance of rain throughout the day. 2023	54°/59°	Light	51°
2022 Marathon de Nantes Partly cloudy throughout the day. 2022	48°/68°	-	44°
2019 Marathon de Nantes Partly cloudy throughout the day. 2019	44°/55°	-	44°
2018 Marathon de Nantes Partly cloudy throughout the day. 2018	52°/69°	-	55°
2017 Marathon de Nantes Partly cloudy throughout the day with rain. 2017	48°/59°	Light	47°
2016 Marathon de Nantes Becoming cloudy in the afternoon. 2016	37°/54°	-	34°
2015 Marathon de Nantes Partly cloudy throughout the day. 2015	46°/61°	-	34°
2014 Marathon de Nantes Partly cloudy throughout the day with a chance of rain throughout the day. 2014	51°/57°	Light	49°
2013 Marathon de Nantes Partly cloudy throughout the day. 2013	34°/57°	-	35°
2012 Marathon de Nantes Partly cloudy throughout the day with morning rain. 2012	41°/52°	Light	38°
2011 Marathon de Nantes Clear conditions throughout the day. 2011	43°/65°	-	39°
2010 Marathon de Nantes Partly cloudy throughout the day with rain. 2010	46°/60°	Light	46°
2009 Marathon de Nantes Cloudy skies throughout the day with rain. 2009	47°/50°	Light	48°
2008 Marathon de Nantes Partly cloudy throughout the day with rain. 2008	50°/60°	Light	49°
2007 Marathon de Nantes Partly cloudy throughout the day. 2007	49°/69°	-	55°
2006 Marathon de Nantes Partly cloudy throughout the day. 2006	44°/51°	-	38°
2005 Marathon de Nantes Partly cloudy throughout the day. 2005	49°/61°	-	43°
2004 Marathon de Nantes Partly cloudy throughout the day with rain clearing later. 2004	46°/58°	-	46°
2003 Marathon de Nantes Partly cloudy throughout the day. 2003	43°/50°	-	37°
2002 Marathon de Nantes Cloudy skies throughout the day with a chance of rain throughout the day. 2002	44°/46°	Light	35°
2001 Marathon de Nantes Partly cloudy throughout the day with early morning rain. 2001	47°/55°	-	39°