Seaside Marathon
Ventura, CA, USA • June 7, 2026
Race Day Weather
59°
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 48 days
Pre-raceRace windowPost-race
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
Conditions
Rain Freq
13%
1 of 8 yrs
Wind11mph
Dew48°F
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 | | 52°/66° | - | 52° | |
2024 |  | 59°/68° | - | 54° | |
2024 |  | 67°/80° | - | 41° | |
2023 | | 41°/63° | - | 34° | |
2022 | | 42°/60° | - | 44° | |
2020 | | 44°/65° | - | 46° | |
2019 | | 45°/56° | Light | 39° | |
2018 | | 45°/64° | - | 43° |
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