Kauai Marathon

Poipu, HI, USA · September 6, 2026
partly-cloudy-day77°·85° high·Breezy·Dry
6

Race Day Weather

partly-cloudy-day
77°at start
85° high
Breezy
Dry

Warm conditions, hydrate frequently

Runners will face temperatures starting at 77°F and peaking at 85°F, with humidity at 71%. A light wind from the ESE at 12 mph will provide some relief. Runners should adjust their pace conservatively and prioritize hydration to combat the heat and humidity throughout the race.

Race day forecast available in 135 days
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Pace Calculator

Distance: 26.2mi
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Race Info

Area Map

Course Map

FAQ

When is the 2026 Kauai Marathon?

The 2026 Kauai Marathon will be held on Sunday September 6, 2026.

What will the weather be like for the 2026 Kauai Marathon?

The forecast calls for a high of 85°F and a low of 77°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 15 years of data
Avg Temp
83°F
L:75° H:83°
RunScore
5
Conditions
Rain Freq
40%
6 of 15 yrs
Wind11mph
Dew71°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-night
75°/84°-
7
2024
partly-cloudy-night
77°/86°-
5
2023
rain
75°/83°Light
5
2022
partly-cloudy-night
77°/83°Light
6
2019
partly-cloudy-night
80°/85°Light
5
2018
cloudy
74°/81°Light
6
2017
partly-cloudy-night
72°/84°-
7
2016
clear-night
74°/86°-
6
2015
clear-night
74°/84°-
6
2014
partly-cloudy-night
75°/83°-
7
2013
partly-cloudy-night
76°/86°-
5
2012
cloudy
75°/84°Light
5
2011
partly-cloudy-night
74°/82°-
7
2010
partly-cloudy-night
75°/81°-
6
2009
partly-cloudy-night
75°/79°Light
6