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Weather in Osaka — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Osaka

🌤️

+31°

Mostly clear

Feels like +34° · humidity 58%

Today 12.9: +31° / +23°

🕐 15:25

Wind

5 km/h

UV index

Air (AQI)

68 · Poor

Precipitation

29%

Humidity

58%

Pressure

1019 hPa

Sunrise / sunset

05:38 / 18:09

Sea temperature

🌊 +29°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

Feels warmer by 3°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Osaka

Today, 12 September, Saturday, in Osaka (Japan): partly cloudy, hot. During the day the air will warm up to +31°, at night around +23°. Due to high humidity it feels like +34°. Wind up to 6 km/h. Brief rain is possible — an umbrella won't hurt. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +29° — great for swimming. The sun will rise at 05:38 and set at 18:09 — daylight lasts 13 hours.

Hourly weather in Osaka

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Osaka for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 12.9

⛅

💧 29%

+23° +31°

Morning

⛅

+26°

Day

⛅

+31°

Evening

🌇

+29°

Night

🌙

+23°

Partly cloudy · precipitation 29% · wind up to 6 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

🌦️

💧 65%

+24° +31°

Morning

🌤️

+26°

Day

🌦️

+31°

Evening

🌇

+28°

Night

🌙

+24°

Drizzle · precipitation 65% · wind up to 7 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

⛅

💧 66%

+23° +31°

Morning

⛅

+26°

Day

⛅

+31°

Evening

🌇

+29°

Night

🌙

+23°

Partly cloudy · precipitation 66% · wind up to 7 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

🌧️

💧 94%

+24° +28°

Morning

🌧️

+25°

Day

🌧️

+28°

Evening

🌇

+27°

Night

🌙

+24°

Rain · precipitation 94% · wind up to 6 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

🌦️

💧 55%

+23° +27°

Morning

🌦️

+24°

Day

🌦️

+27°

Evening

🌇

+26°

Night

🌙

+23°

Drizzle · precipitation 55% · wind up to 8 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

🌦️

💧 59%

+22° +28°

Morning

🌦️

+24°

Day

🌦️

+28°

Evening

🌇

+27°

Night

🌙

+22°

Drizzle · precipitation 59% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

🌦️

💧 37%

+23° +30°

Morning

🌦️

+26°

Day

🌦️

+30°

Evening

🌇

+28°

Night

🌙

+23°

Drizzle · precipitation 37% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

☁️

💧 42%

+24° +30°

Morning

☁️

+26°

Day

☁️

+30°

Evening

🌇

+29°

Night

🌙

+24°

Overcast · precipitation 42% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

🌦️

💧 37%

+25° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Drizzle · precipitation 37% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 42%

+24° +29°

Morning

🌦️

+26°

Day

🌦️

+29°

Evening

🌇

+28°

Night

🌙

+24°

Drizzle · precipitation 42% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

⛈️

💧 66%

+22° +28°

Morning

⛈️

+24°

Day

⛈️

+28°

Evening

🌇

+27°

Night

🌙

+22°

Thunderstorm · precipitation 66% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

🌦️

💧 51%

+20° +25°

Morning

🌦️

+22°

Day

🌦️

+25°

Evening

🌇

+24°

Night

🌙

+20°

Rain showers · precipitation 51% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

⛈️

💧 42%

+20° +24°

Morning

⛈️

+21°

Day

⛈️

+24°

Evening

🌇

+23°

Night

🌙

+20°

Thunderstorm · precipitation 42% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

🌦️

💧 33%

+19° +27°

Morning

🌦️

+22°

Day

🌦️

+27°

Evening

🌇

+25°

Night

🌙

+19°

Drizzle · precipitation 33% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

67 / 100

for sea and sun · Good

🏊 Swimming

53 / 100

water 29° · Average

🏃 Running

23 / 100

comfort for running · So-so

🧴 UV

36%

moderate · moderate

☂️ Rain

29%

possible · low

✨ Stars

68 / 100

evening visibility · Good

🧺 Laundry drying

46 / 100

will dry outside · Average

🚗 Car wash

60 / 100

no rain expected · Average

🌫️ Air quality

Poor air

European AQI

PM2.5: 16PM10: 17O₃: 135NO₂: 9

People with allergies or asthma should reduce time outdoors.

🌅 Sun, moon and sea

Sunrise

05:38

Sunset

18:09

Golden hour

17:36

Daylight

13 h (-2 min vs yesterday)

Sea temperature

+29°

🌊 calm, waves 0.1 m.

Osaka climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+8°

+1°

Jan

+9°

+1°

Feb

+13°

+4°

Mar

+18°

+9°

Apr

+23°

+14°

May

+26°

+19°

Jun

+30°

+23°

Jul

+32°

+24°

Aug

+28°

+20°

Sep

+22°

+14°

Oct

+16°

+8°

Nov

+11°

+3°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+8°	+1°	+9°	58 mm	A cold month: +8° by day, long walks get uncomfortable. 🧥 a warm jacket. The water is cold (+9°) — swimming is for the brave. This is the coldest month of the year.
February	+9°	+1°	+8°	66 mm	Cold: +9° by day, down to +1° at night — dress warmly. It's a rainy month (66 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+8°) — swimming is for the brave.
March	+13°	+4°	+10°	111 mm	A fresh month — +13° daytime, take a jacket for walks. Frequent rain (111 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+10°) — swimming is for the brave.
April	+18°	+9°	+15°	120 mm	The most pleasant season: +18° by day, comfortable all day long. One of the wettest months (120 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+15°) — swimming is for the brave.
May	+23°	+14°	+20°	143 mm	One of the best times to visit: +23° by day, fresh nights. It's a rainy month (143 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
June	+26°	+19°	+23°	194 mm	Gentle warmth — about +26° daytime, great walking weather. Frequent rain (194 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +23° — great for swimming. Statistically the wettest month of the year.
July	+30°	+23°	+29°	190 mm	A comfortable month: +30° by day without exhausting heat. One of the wettest months (190 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming.
August	+32°	+24°	+30°	107 mm	Warm and comfortable: +32° by day, +24° at night. It's a rainy month (107 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Osaka.
September	+28°	+20°	+29°	165 mm	Gentle warmth — about +28° daytime, great walking weather. Frequent rain (165 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. Weather-wise, one of the three best months to visit.
October	+22°	+14°	+24°	157 mm	The most pleasant season: +22° by day, comfortable all day long. One of the wettest months (157 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +24° — great for swimming.
November	+16°	+8°	+18°	82 mm	Cool: around +16° by day, you'll need a warm layer. It's a rainy month (82 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing.
December	+11°	+3°	+12°	63 mm	A fresh month — +11° daytime, take a jacket for walks. Frequent rain (63 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.

When to visit Osaka

✅ Recommended time to visit

🌟 Best time: May, August, September

Daytime air+23…+32°

Sea temperature+20…+30°

Precipitationoften

Why: comfortable +23…+32° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, April, June, July, October, November

Daytime air+8…+30°

Sea temperature+9…+29°

Precipitationoften

Why: noticeable rain risk (58–194 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

❄️ Cold season: February, March, December

Daytime air+9…+13°

Sea temperature+8…+12°

Precipitationoften

Why: cold and dark (+9…+13° by day, 10 h of daylight) — only if frost and short days don’t put you off.

Bottom line: the best time to visit Osaka is May, August, September, and the most comfortable months are May, August, September. The toughest months to visit are February, March, December: frequent rain.