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The Daily São Paulo

São Paulo news, every day

Weather

São Paulo weather

Live rain radar, current conditions, an hour-by-hour outlook and a seven-day forecast for São Paulo, with original writing about the city's climate from The Daily São Paulo.

Today's briefing

# Weather Briefing: São Paulo It's a pleasant 20 degrees right now in São Paulo, with a high of 25 degrees expected today and only a 30 per cent chance of rain to keep an eye on. The breeze is gentle at 4 kilometres per hour, though the UV index sits at a moderate 5, so a light layer and sunscreen wouldn't go astray. For the weekend, Saturday looks a bit cooler at 15 degrees with minimal rain risk, before warming slightly to 18 degrees on Sunday with conditions staying mostly dry.

22°

Mainly clear · feels like 23°

Today
25° / 16°
Humidity
70%
Wind
5 km/h W
UV index
0 · Low
Sunrise
6:48 am
Sunset
5:31 pm
Updated
6:00 pm

Next 24 hours

  1. Now

    22°

    16%

  2. 7pm

    21°

    15%

  3. 8pm

    19°

    11%

  4. 9pm

    18°

    8%

  5. 10pm

    18°

    5%

  6. 11pm

    17°

    2%

  7. 12am

    17°

    0%

  8. 1am

    17°

    0%

  9. 2am

    16°

    0%

  10. 3am

    16°

    0%

  11. 4am

    15°

    0%

  12. 5am

    15°

    0%

  13. 6am

    15°

    0%

  14. 7am

    15°

    0%

  15. 8am

    15°

    0%

  16. 9am

    17°

    0%

  17. 10am

    20°

    0%

  18. 11am

    22°

    0%

  19. 12pm

    24°

    0%

  20. 1pm

    25°

    0%

  21. 2pm

    25°

    0%

  22. 3pm

    25°

    0%

  23. 4pm

    24°

    0%

  24. 5pm

    23°

    0%

Live rain radar

Drag to pan, scroll the page over it

Animated rain radar via RainViewer (Bureau of Meteorology sources). Full BOM radar loop.

Seven-day forecast

  1. Sun

    Overcast

    25° 16°

    Rain 16%

  2. Mon

    Overcast

    25° 15°

    Rain 0%

  3. Tue

    Mainly clear

    26° 16°

    Rain 0%

  4. Wed

    Drizzle

    26° 15°

    Rain 13%

  5. Thu

    Drizzle

    16° 10°

    Rain 31%

  6. Fri

    Overcast

    15° 9°

    Rain 10%

  7. Sat

    Overcast

    18° 10°

    Rain 5%

Air quality

48

Good

US AQI

PM2.5
21
PM10
21
Ozone
32

Air quality by Open-Meteo (CAMS), in µg/m³.

Sun and moon

Sunrise
6:48 am
Sunset
5:31 pm
Daylight
10h 43m

Full moon

100% lit

From the weather desk

São Paulo weather, explained

How to read the São Paulo forecast

A good forecast is really three views at once. The current panel tells you what it feels like outside right now, which is what matters before you head out the door. The hourly strip is for planning the next part of your day: when the rain band arrives, when the wind picks up, when it is warm enough to walk. The seven-day outlook is for the week ahead, and it is most reliable in the first three or four days. Read it from the top down and you will almost always have what you need for São Paulo.

What the UV index actually means

The UV index rates the strength of the sun's ultraviolet radiation on a simple scale. Below 3 is low and you can be outside safely without protection. From 3 to 7 is moderate to high, the point at which sunburn becomes likely within an hour, so a hat and sunscreen earn their keep. Above 8 is very high to extreme, and skin can burn in minutes around the middle of the day. The index peaks at solar noon, not at the hottest part of the afternoon, so the safest habit is to check the number rather than judge by the temperature.

Why the overnight low matters as much as the high

Daytime maximums get the headlines, but the overnight minimum shapes how the day actually feels. A cold night means a slow, crisp start and, on clear evenings, the chance of fog or frost before dawn. A mild night means the warmth carries over and the morning is comfortable from the outset. Clear skies let heat escape and push the low down; cloud cover traps it and keeps the night warmer. That is why two days with the same maximum can feel completely different depending on the night that came before.

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Weather data by Open-Meteo. The Daily São Paulo is independent and not affiliated with any government weather agency.