Seaside Marathon

Ventura, CA, USA · June 7, 2026
partly-cloudy-day62°·69° high·Breezy·Dry
8
Register

Race Day Weather

partly-cloudy-day
62°at start
69° high
Breezy
Dry

Mild temps, steady wind

Runners will face a temperature rise from 60°F at the start to a peak of 69°F. With winds from the SW at 11 mph, gusting to 31 mph, pacing adjustments may be necessary. Given the humidity at 72%, it's advisable to hydrate frequently and start conservatively to maintain energy levels.

Race day forecast available in 36 days
partly-cloudy-night9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8

Get forecast alerts for Seaside Marathon

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

Race Info

Area Map

Course Map

FAQ

When is the 2026 Seaside Marathon?

The 2026 Seaside Marathon will be held on Sunday June 7, 2026.

Is the Seaside Marathon a Boston Marathon Qualifier?

Yes, the Seaside Marathon is an official Boston Marathon qualifier.

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

The forecast calls for a high of 69°F and a low of 59°F with a 0% chance of rain.

Historical Weather

Based on 8 years of data
Avg Temp
65°F
L:50° H:65°
RunScore
8
Conditions
Rain Freq
13%
1 of 8 yrs
Wind11mph
Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
partly-cloudy-day
52°/66°-
8
2024
cloudy
59°/68°-
8
2024
clear-night
67°/80°-
7
2023
clear-night
41°/63°-
8
2022
partly-cloudy-night
42°/60°-
8
2020
clear-night
44°/65°-
8
2019
clear-night
45°/56°Light
8
2018
partly-cloudy-night
45°/64°-
8