What is the weather usually like on race day for the 2027 Romancing the Island Half Marathon & 10K?

Based on the last 10 years of weather data for Tiburon, CA, April race mornings typically start near 47°F and warm to around 63°F. On this calendar date it has rained in 1 of the last 10 years.

← Races in Tiburon, CA

2027 Romancing the Island Half Marathon & 10K

Sat, Apr 10, 2027

In 153 days

Tiburon, CA

21 Main Street

Typically 47–63°F · low rain risk

See last 10 years

On this date: rain 1 of the last 10 years

2026

55–60°F

rain

2025

49–70°F

dry

2024

46–74°F

dry

2023

46–66°F

dry

2022

49–67°F

dry

2021

41–69°F

dry

2020

49–63°F

dry

2019

48–67°F

dry

2018

50–64°F

dry

2017

44–61°F

dry

Best months to race in California →

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About this race

2027 Romancing the Island Half Marathon & 10K takes place on April 10, 2027 in Tiburon, CA. Visit the race website for full event details.

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Train with a club

Run clubs near Tiburon to train with before race day.

Muni Run Club

San Francisco, CA

San Francisco Running Company

San Francisco, CA

Oh! Run Club

San Francisco, CA

Midnight Runners SF

San Francisco, CA

See all run clubs near Tiburon →

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2027 Romancing the Island Half Marathon & 10K

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