Weekend Weather Forecast - Osaka

Weekend weather in Osaka. Saturday high 31°C (88°F). Sunday high 32°C (90°F).

Weekend Hourly Forecast

Fri·11 Sep
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Temperature · peaks at +26°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
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Temperature · peaks at +28°C

Weekend Activity Outlook

Travel / Drive
Rating
Poor
Reason
Heavy rain — road conditions poor
Outdoor Sports
Rating
Poor
Reason
Wet field — matches likely cancelled
Home / Laundry
Rating
Poor
Reason
Rain will prevent outdoor drying
Outdoor Events
Rating
Poor
Reason
Venue should have indoor backup ready

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Osaka is forecast to reach a high of 31°C this weekend, with an overnight low around 22°C. That's 4° above the long-term average high of 27°C for this time of year. It continues a recent pattern — 12 of the last 19 days with published data have run warmer than normal. Expect little chance of rain (10% probability) and light winds averaging 5 km/h. Air quality is currently Moderate (AQI 60), driven mainly by PM2.5 at 14 μg/m³.

Today vs Normal

26°C-1° below normal

The long-term average high for today is 27°C.

12 of the last 19 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-19: 30°C30°2026-08-20: 31°C31°2026-08-21: 31°C31°2026-08-22: 31°C31°2026-08-23: 32°C32°2026-08-24: 33°C33°2026-08-25: 32°C32°2026-08-26: 31°C31°2026-08-27: 30°C30°2026-08-28: 28°C28°2026-08-29: 30°C30°2026-08-30: 31°C31°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.