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Weather in Hiroshima — today

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

Now in Hiroshima

🌙

+20°

Mostly clear

Feels like +22° · humidity 86%

Tue 13.10: +25° / +17°

🕐 03:25

Wind

5 km/h

UV index

Air (AQI)

27 · Good

Precipitation

100%

Humidity

86%

Pressure

1012 hPa

Sunrise / sunset

06:13 / 17:39

Sea temperature

🌊 +25°

👕 What to wear today

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

☂️ Take an umbrellaFeels warmer by 2°

Weather for an activity:

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

Detailed weather information for Hiroshima

Tuesday, 13 October, in Hiroshima (Japan): cloudy, light rain in places, warm. During the day the air will warm up to +25°, at night around +17°. Wind up to 10 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +25° — great for swimming. The sun will rise at 06:13 and set at 17:39 — daylight lasts 11 hours.

Hourly weather in Hiroshima

💧 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 Hiroshima 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).

▶

Tue 13.10

🌦️

💧 100%

+17° +25°

Morning

🌦️

+20°

Day

🌦️

+25°

Evening

🌇

+23°

Night

🌙

+17°

Drizzle · precipitation 100% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Today 14.10

🌦️

💧 92%

+16° +23°

Morning

🌤️

+20°

Day

🌦️

+23°

Evening

🌇

+18°

Night

🌙

+16°

Drizzle · precipitation 92% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tomorrow 15.10

⛅

+15° +23°

Morning

☀️

+16°

Day

⛅

+23°

Evening

🌇

+20°

Night

🌙

+15°

Partly cloudy · precipitation 0% · wind up to 7 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 16.10

☁️

+14° +25°

Morning

☁️

+18°

Day

☁️

+25°

Evening

🌇

+22°

Night

🌙

+14°

Overcast · precipitation 0% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 17.10

☁️

+14° +25°

Morning

☁️

+18°

Day

☁️

+25°

Evening

🌇

+22°

Night

🌙

+14°

Overcast · precipitation 0% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 18.10

☁️

💧 19%

+13° +25°

Morning

☁️

+17°

Day

☁️

+25°

Evening

🌇

+22°

Night

🌙

+13°

Overcast · precipitation 19% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 19.10

🌦️

💧 66%

+20° +25°

Morning

🌦️

+22°

Day

🌦️

+25°

Evening

🌇

+24°

Night

🌙

+20°

Drizzle · precipitation 66% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 20.10

🌦️

💧 34%

+16° +24°

Morning

🌦️

+19°

Day

🌦️

+24°

Evening

🌇

+22°

Night

🌙

+16°

Drizzle · precipitation 34% · wind up to 8 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 21.10

🌦️

💧 23%

+16° +21°

Morning

🌦️

+18°

Day

🌦️

+21°

Evening

🌇

+20°

Night

🌙

+16°

Rain showers · precipitation 23% · wind up to 8 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 22.10

🌦️

💧 20%

+17° +24°

Morning

🌦️

+20°

Day

🌦️

+24°

Evening

🌇

+22°

Night

🌙

+17°

Drizzle · precipitation 20% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 23.10

🌦️

💧 13%

+15° +18°

Morning

🌦️

+16°

Day

🌦️

+18°

Evening

🌇

+17°

Night

🌙

+15°

Light rain · precipitation 13% · wind up to 21 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 24.10

🌦️

💧 22%

+13° +21°

Morning

🌦️

+16°

Day

🌦️

+21°

Evening

🌇

+19°

Night

🌙

+13°

Drizzle · precipitation 22% · wind up to 27 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 25.10

🌦️

💧 18%

+12° +17°

Morning

🌦️

+14°

Day

🌦️

+17°

Evening

🌇

+16°

Night

🌙

+12°

Drizzle · precipitation 18% · wind up to 14 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 26.10

🌤️

💧 11%

+10° +19°

Morning

🌤️

+13°

Day

🌤️

+19°

Evening

🌇

+17°

Night

🌙

+10°

Mostly clear · precipitation 11% · wind up to 15 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

🗺️ 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

0 / 100

for sea and sun · Bad

🏊 Swimming

0 / 100

water 25° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

100%

likely · high

✨ Stars

18 / 100

evening visibility · Bad

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Good air

European AQI

PM2.5: 3PM10: 4O₃: 73NO₂: 8

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

06:13

Sunset

17:39

Golden hour

17:05

Daylight

11 h (-2 min vs yesterday)

Sea temperature

+25°

🌊 calm, waves 0.4 m.

Hiroshima 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°

+2°

Feb

+13°

+4°

Mar

+18°

+9°

Apr

+23°

+14°

May

+26°

+18°

Jun

+29°

+23°

Jul

+30°

+24°

Aug

+27°

+20°

Sep

+22°

+14°

Oct

+16°

+8°

Nov

+11°

+4°

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°	+12°	55 mm	A cold month: +8° by day, long walks get uncomfortable. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave. This is the coldest month of the year.
February	+9°	+2°	+10°	69 mm	Cold: +9° by day, down to +2° at night — dress warmly. It's a rainy month (69 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+10°) — swimming is for the brave.
March	+13°	+4°	+11°	110 mm	A fresh month — +13° daytime, take a jacket for walks. Frequent rain (110 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave.
April	+18°	+9°	+14°	127 mm	The most pleasant season: +18° by day, comfortable all day long. One of the wettest months (127 mm): downpours can derail plans. 🙂 a sweater for the evening. The water is cold (+14°) — swimming is for the brave.
May	+23°	+14°	+18°	144 mm	One of the best times to visit: +23° by day, fresh nights. It's a rainy month (144 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing.
June	+26°	+18°	+22°	218 mm	Ideal weather: +26° daytime — neither hot nor cold. Frequent rain (218 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +22° — great for swimming. The longest daylight hours of the year — more time for everything.
July	+29°	+23°	+27°	254 mm	A comfortable month: +29° by day without exhausting heat. One of the wettest months (254 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming. Statistically the wettest month of the year.
August	+30°	+24°	+29°	156 mm	Warm and comfortable: +30° by day, +24° at night. It's a rainy month (156 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. This is the hottest month of the year in Hiroshima.
September	+27°	+20°	+28°	185 mm	Gentle warmth — about +27° daytime, great walking weather. Frequent rain (185 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +28° — great for swimming. Weather-wise, one of the three best months to visit.
October	+22°	+14°	+24°	110 mm	The most pleasant season: +22° by day, comfortable all day long. One of the wettest months (110 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +24° — great for swimming. Weather-wise, one of the three best months to visit.
November	+16°	+8°	+20°	72 mm	Cool: around +16° by day, you'll need a warm layer. It's a rainy month (72 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.
December	+11°	+4°	+15°	64 mm	A fresh month — +11° daytime, take a jacket for walks. Frequent rain (64 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+15°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.

When to visit Hiroshima

✅ Recommended time to visit

🌟 Best time: September, October, November

Daytime air+16…+27°

Sea temperature+20…+28°

Precipitationoften

Why: comfortable +16…+27° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, April, May, June, August

Daytime air+8…+30°

Sea temperature+10…+29°

Precipitationoften

Why: noticeable rain risk (55–218 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

❄️ Cold season: March, July, December

Daytime air+11…+29°

Sea temperature+11…+27°

Precipitationoften

Why: cold and dark (+11…+29° by day, 10 h of daylight) — only if frost and short days don’t put you off.

Bottom line: the best time to visit Hiroshima is September – November, and the most comfortable months are September, October, November. The toughest months to visit are March, July, December: frequent rain.