Cascais, Lisbon Coast
The full-distance Cascais race extends the same Atlantic weather questions across a longer day.
Typical race window
Monthly climate normal from 2016-2025 archive data.
16°C-21°C
24 km/h
62 km/h
33%
A typical day in October averages 2.6 mm of precipitation, with average gusts around 49 km/h. Treat this as planning context, not a live forecast.
Jan
15°C
Feb
16°C
Mar
16°C
Apr
18°C
May
19°C
Jun
21°C
Jul
23°C
Aug
23°C
Sep
23°C
Oct
21°C
Nov
18°C
Dec
16°C
Swell, chop and official beach guidance matter more than air temperature for the swim.
Wind exposure can accumulate across the longer bike, especially near open coastal sections.
The marathon is usually mild by temperature, but sun, humidity and wind still shape comfort.
Live race-day forecast
This race page stays evergreen. For date, start time and expected segment durations, open the race-day planner with Cascais, Lisbon Coast prefilled.