Kauai Marathon

Poipu, HI, USA · September 6, 2026
partly-cloudy-day82°·83° high·Breezy·Dry
6

Race Day Weather

partly-cloudy-day
82°at start
83° high
Breezy
Dry

Warm start, humid conditions

Runners will face a temperature starting at 82°F and rising to 83°F, coupled with high humidity at 76% and a dew point of 74°F. A light wind from the E will provide some relief, but runners should adjust their pace conservatively due to the heat and humidity. Hydration will be crucial throughout the race.

Race day forecast available in 103 days
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Pace Calculator

Distance: 26.2mi
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Race Info

Area Map

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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 83°F and a low of 81°F with a 5% 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