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Perth Weather Today

Live rain radar, current conditions, an hour-by-hour outlook and a seven-day forecast for Perth, with original local weather writing.

Today's briefing

Perth is waking up to a crisp 19 degrees with a feels like temperature of 16, and we are heading for a pleasant top of 26 degrees under clear skies with zero chance of rain. Since the UV index is a very high 8, make sure to pack your hat and sunscreen if you are heading out to enjoy the sunshine. Looking ahead to the weekend, temperatures will cool slightly to a maximum of 22 degrees on Saturday with a 41 percent chance of rain, followed by a top of 21 degrees on Sunday with a 59 percent chance of showers.

15°

Rain · feels like 15°

Today
15° / 15°
Humidity
97%
Wind
11 km/h S
UV index
0 · Low

Next 24 hours

  1. Now

    15°

    0%

  2. 11pm

    15°

    0%

  3. 12am

    16°

    0%

  4. 1am

    18°

    0%

  5. 2am

    20°

    0%

  6. 3am

    20°

    0%

  7. 4am

    20°

    0%

  8. 5am

    20°

    0%

  9. 6am

    20°

    0%

  10. 7am

    19°

    0%

  11. 8am

    19°

    0%

  12. 9am

    18°

    0%

  13. 10am

    17°

    0%

  14. 11am

    17°

    0%

  15. 12pm

    16°

    0%

  16. 1pm

    16°

    0%

  17. 2pm

    16°

    0%

  18. 3pm

    15°

    0%

  19. 4pm

    15°

    0%

  20. 5pm

    15°

    0%

  21. 6pm

    15°

    0%

  22. 7pm

    15°

    0%

  23. 8pm

    15°

    0%

  24. 9pm

    14°

    0%

Live rain radar

Drag to pan

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

Seven-day forecast

  1. Sat

    Showers

    15° 15°

    Rain 0%

  2. Sun

    Mainly clear

    20° 14°

    Rain 0%

  3. Mon

    Partly cloudy

    20° 15°

    Rain 0%

  4. Tue

    Partly cloudy

    21° 13°

    Rain 0%

  5. Wed

    Clear

    27° 15°

    Rain 0%

  6. Thu

    Overcast

    25° 16°

    Rain 0%

  7. Fri

    Partly cloudy

    27° 16°

    Rain 0%

Sun and moon

Last quarter

67% lit

From the weather desk

Perth weather, explained

How to read the Perth 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 Perth.

Perth weather and the coast

Perth's weather is shaped by its position on a flat coastal plain between the Indian Ocean and the Darling Scarp to the east. Summer mornings often start with warm, dry easterlies rolling down off the escarpment, pushing temperatures up quickly. The relief almost always comes from the west: the Fremantle Doctor, a strong south-westerly sea breeze off the Indian Ocean, arrives most summer afternoons and can drop the temperature ten degrees or more in under an hour. In winter, cold fronts sweep in from the Southern Ocean bringing the rain bands that fill the dams, with mild days between them — a hot-summer Mediterranean rhythm of dry summers and wet, mild winters.

What the UV index means in Perth

Perth sits at 32 degrees south, which puts it in a UV band that surprises many visitors. On clear summer days the UV index regularly reaches 11 or above, meaning skin can burn in under ten minutes around midday. The index peaks at solar noon, not at the hottest part of the afternoon, so checking the number rather than judging by the temperature is the most reliable habit. Below 3 is low and you can be outside without extra protection. From 3 to 7 means sunscreen earns its keep. Above 8 means a hat, sunscreen and shade are all genuinely useful, not optional.

Weather data by Open-Meteo. Perth Weather News is independent and not affiliated with any government weather agency.