The 12th Humboldt Bay Marathon weather.
Typically 14°C on race morning; dry every year. Race morning (07:00 to 11:00 local time) in Eureka on race day in each of the last 10 years; the 2027 race is on 8 Aug 2027.
- Typical
- 14°C (57°F)
- race-morning average
- Coolest
- 11°C (52°F)
- lowest reading, 07:00–11:00
- Warmest
- 18°C (64°F)
- highest reading, 07:00–11:00
- Wet years
- 0 of 10
- rain, drizzle or worse
- Humidity
- 93%
- typical
- Wind
- 5 km/h
- typical, at 10 m
Race morning, 07:00–11:00
Year by year
| Race day | Average | Low–high | Humidity | Wind | Rain | Conditions |
|---|---|---|---|---|---|---|
| 9 Aug 2026 | 12°C (54°F) | 11°C (52°F)–14°C (58°F) | 97% | 4 km/h | 0.0 mm | Overcast |
| 10 Aug 2025 | 15°C (59°F) | 13°C (56°F)–17°C (63°F) | 93% | 4 km/h | 0.0 mm | Overcast |
| 11 Aug 2024 | 13°C (55°F) | 12°C (53°F)–15°C (58°F) | 95% | 4 km/h | 0.0 mm | Overcast |
| 6 Aug 2023 | 15°C (59°F) | 13°C (56°F)–17°C (63°F) | 95% | 6 km/h | 0.0 mm | Overcast |
| 7 Aug 2022 | 14°C (58°F) | 12°C (53°F)–17°C (62°F) | 91% | 4 km/h | 0.0 mm | Overcast |
| 8 Aug 2021 | 14°C (58°F) | 13°C (55°F)–16°C (61°F) | 93% | 8 km/h | 0.0 mm | Overcast |
| 9 Aug 2020 | 14°C (57°F) | 12°C (53°F)–17°C (62°F) | 93% | 3 km/h | 0.0 mm | Overcast |
| 11 Aug 2019 | 16°C (61°F) | 13°C (55°F)–18°C (65°F) | 83% | 6 km/h | 0.0 mm | Partly cloudy |
| 5 Aug 2018 | 14°C (58°F) | 12°C (54°F)–16°C (61°F) | 90% | 7 km/h | 0.0 mm | Overcast |
| 6 Aug 2017 | 14°C (57°F) | 12°C (54°F)–16°C (61°F) | 90% | 5 km/h | 0.0 mm | Overcast |
Each row is the race's date that year where we know it, else the same weekday nearest its usual date. Temperatures and humidity are averaged over 07:00 to 11:00 local time, rain is the total over those hours, and conditions are the commonest over the morning. The marathon starts at 07:00.
Kit and pacing
What it means
Mild: start a touch conservatively
Around 14°C feels fine at the start but warms up by the second half. Drink from the early stations rather than waiting until you're thirsty, and wear the lightest kit you have.
General guidance from past years' numbers. Check the forecast in race week.
Weather data by Open-Meteo.com, from its historical weather archive (CC BY 4.0).