Will it rain in
Lisbon today?
Live hourly rain forecast and run verdict for Lisbon, Lisbon, Portugal.
Running in Lisbon means tackling steep hills under Portugal's Atlantic sun — but winter rains can be intense. Whether it's a warm morning along the Tagus waterfront, a surprise Atlantic downpour, or a breezy run through Monsanto Forest Park, knowing whether to head out before you lace up matters. RainOrRun checks live conditions in Lisbon right now and gives you an instant verdict — plus the best hourly window if the weather's on the fence. We'll also recommend the right gear for whatever Lisbon's Atlantic weather is throwing at you today.
What to wear
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How often does it rain in Lisbon?
Lisbon records around 542mm of rain a year, spread across about 73 days — roughly 20% of all days, or 6 days in an average month. Rain is rarely the thing that stops a run in Lisbon. You can plan a training week without building it around the forecast, and a packable jacket is more insurance policy than staple.
The wettest month is October, averaging 78mm across about 10 rainy days. The driest is August, with 1mm over roughly 1 days. Even in January, average lows stay around 8.8°C, so cold is rarely the limiting factor here. At the other end, August averages 28.3°C highs — hot enough that early morning and evening are the sensible windows, and hydration matters more than waterproofing.
Those are ten-year averages, not a forecast. What actually matters on the day is the next twelve hours — which is what the live verdict and hourly strip at the top of this page are for.
| Month | Rainfall | Rainy days | Avg high | Avg low |
|---|---|---|---|---|
| January | 55mm | 8 | 14.6°C | 8.8°C |
| February | 49mm | 6 | 15.9°C | 9.4°C |
| March | 59mm | 9 | 17.2°C | 10.3°C |
| April | 62mm | 9 | 19.4°C | 12.1°C |
| May | 38mm | 4 | 22.8°C | 14.5°C |
| June | 16mm | 4 | 24.8°C | 16.4°C |
| July | 3mm | 1 | 27.7°C | 18°C |
| August | 1mm | 1 | 28.3°C | 18.5°C |
| September | 30mm | 4 | 26.1°C | 17.5°C |
| October | 78mm | 10 | 22.9°C | 15.7°C |
| November | 75mm | 10 | 18°C | 12.3°C |
| December | 76mm | 7 | 15.8°C | 10.3°C |
Historical data: Open-Meteo archive, 2015–2024. A “rainy day” means at least 1mm of precipitation.
Running in Lisbon: common questions
Will it rain in Lisbon today?
The forecast card at the top of this page shows Lisbon's rain probability for the current hour, plus an hour-by-hour breakdown for the rest of the day, using live Open-Meteo data. Historically, Lisbon sees rain on about 73 days a year, so on any given day there is roughly a 20% chance of some rain falling.
Is it a good day to run in Lisbon?
RainOrRun scores the live Lisbon forecast on rain probability, rainfall amount, temperature, wind speed and severe weather, then returns a single verdict: Go, Maybe, or Don't Bother. A Maybe means conditions are borderline and it is worth picking your window rather than skipping the run.
What is the best time to run in Lisbon today?
The hourly strip above highlights the best single window of the day for Lisbon — the hour combining the lowest rain probability with the most comfortable temperature. You can also check up to eight days ahead using the date picker if you are planning a long run or a race.
What should I wear running in Lisbon today?
The gear section on this page updates with the live Lisbon forecast: a waterproof jacket and peaked cap when rain probability goes above 40%, a thermal base layer and gloves below 8 degrees Celsius, and a high-vis vest when wind or low light make you harder to see.
What is the wettest month in Lisbon?
October is the wettest month in Lisbon, averaging 78mm of rain across about 10 rainy days. August is the driest, with around 1mm over roughly 1 days. Figures are ten-year averages covering 2015 to 2024.
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