Weather

Osaka Weather Today

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

Wet day, 97% chance of rain. Bring a brolly.

Today's briefing

Osaka is warming up nicely this Thursday, with current temperatures sitting at 28 degrees and a high of 30 degrees expected before things cool to 21 overnight, whilst the chance of rain remains at zero percent. The UV index is very high at 8, so you'll want to slip on some sunscreen and perhaps grab a light hat or sunglasses before heading out into what will feel warmer than it actually is at around 31 degrees with the breeze. A light, breathable shirt paired with shorts will keep you comfortable in today's warmth. Come the weekend, things take a wetter turn with Saturday bringing a maximum of 23 degrees and an 85 percent chance of rain, followed by Sunday's 26 degrees and 77 percent rain probability, so best hold onto your umbrella.

Partly cloudy · 22° in Osaka

22°

Partly cloudy · feels like 26°

Today: 24° / 21°
Humidity: 91%
Wind: 3 km/h NE
UV index: 1 · Low
Sunrise: 4:49 am
Sunset: 7:14 pm
Updated: 8:01 am

Next 24 hours

Now
22°
26%
9am
23°
37%
10am
23°
55%
11am
23°
77%
12pm
23°
92%
1pm
24°
97%
2pm
24°
95%
3pm
24°
92%
4pm
24°
88%
5pm
24°
82%
6pm
23°
78%
7pm
22°
76%
8pm
22°
76%
9pm
22°
75%
10pm
21°
73%
11pm
21°
71%
12am
21°
69%
1am
21°
66%
2am
21°
62%
3am
21°
61%
4am
21°
64%
5am
21°
68%
6am
21°
73%
7am
21°
77%

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

Sat
Rain
24° 21°
Rain 97%
Sun
Drizzle
26° 21°
Rain 94%
Mon
Rain
24° 22°
Rain 88%
Tue
Showers
30° 22°
Rain 58%
Wed
Overcast
29° 25°
Rain 29%
Thu
Overcast
30° 25°
Rain 10%
Fri
Overcast
30° 25°
Rain 6%

Air quality

Moderate

US AQI

PM2.5: 27
PM10: 30
Ozone: 45

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

Sun and moon

Sunrise: 4:49 am
Sunset: 7:14 pm
Daylight: 14h 25m

Waning gibbous

83% lit

From the weather desk

Osaka weather, explained

How to read the Osaka 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 Osaka.

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 Osaka is independent and not affiliated with any government weather agency.

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