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Weather in Sendai — today

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

Now in Sendai

🌤️

+16°

Mostly clear

Feels like +17° · humidity 95%

Tue 13.10: +22° / +16°

🕐 06:25

Wind

4 km/h

UV index

Air (AQI)

42 · Moderate

Precipitation

100%

Humidity

95%

Pressure

1007 hPa

Sunrise / sunset

05:42 / 17:02

Sea temperature

🌊 +22°

👕 What to wear today

Comfortable — a T-shirt, a light sweater for the evening.

☂️ Take an umbrella

Weather for an activity:

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

Detailed weather information for Sendai

Tuesday, 13 October, in Sendai (Japan): partly cloudy, moderately warm. During the day the air will warm up to +22°, at night around +16°. Wind up to 7 km/h. High chance of rain — be sure to take an umbrella or a raincoat. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sea has warmed up to +22° — great for swimming. The sun will rise at 05:42 and set at 17:02 — daylight lasts 11 hours.

Hourly weather in Sendai

💧 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 Sendai 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%

+16° +22°

Morning

⛅

+18°

Day

⛅

+22°

Evening

🌇

+21°

Night

🌙

+16°

Partly cloudy · precipitation 100% · wind up to 7 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Today 14.10

🌧️

💧 89%

+14° +21°

Morning

🌤️

+19°

Day

🌧️

+21°

Evening

🌇

+16°

Night

🌙

+14°

Rain · precipitation 89% · wind up to 5 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tomorrow 15.10

🌤️

💧 6%

+12° +22°

Morning

☀️

+15°

Day

🌤️

+22°

Evening

🌇

+17°

Night

🌙

+12°

Mostly clear · precipitation 6% · wind up to 7 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 16.10

☁️

💧 24%

+13° +24°

Morning

☁️

+17°

Day

☁️

+24°

Evening

🌇

+21°

Night

🌙

+13°

Overcast · precipitation 24% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 17.10

☁️

+8° +20°

Morning

☁️

+12°

Day

☁️

+20°

Evening

🌇

+17°

Night

🌙

+8°

Overcast · precipitation 0% · wind up to 13 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 18.10

☁️

💧 7%

+6° +19°

Morning

☁️

+11°

Day

☁️

+19°

Evening

🌇

+16°

Night

🌙

+6°

Overcast · precipitation 7% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 19.10

🌦️

💧 76%

+13° +21°

Morning

🌦️

+16°

Day

🌦️

+21°

Evening

🌇

+19°

Night

🌙

+13°

Rain showers · precipitation 76% · wind up to 10 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tue 20.10

🌦️

💧 48%

+13° +22°

Morning

🌦️

+16°

Day

🌦️

+22°

Evening

🌇

+20°

Night

🌙

+13°

Drizzle · precipitation 48% · wind up to 11 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 21.10

🌦️

💧 31%

+13° +16°

Morning

🌦️

+14°

Day

🌦️

+16°

Evening

🌇

+15°

Night

🌙

+13°

Light rain · precipitation 31% · wind up to 5 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 22.10

🌦️

💧 33%

+13° +24°

Morning

🌦️

+17°

Day

🌦️

+24°

Evening

🌇

+21°

Night

🌙

+13°

Light rain · precipitation 33% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 23.10

🌦️

💧 31%

+9° +18°

Morning

🌦️

+12°

Day

🌦️

+18°

Evening

🌇

+16°

Night

🌙

+9°

Rain showers · precipitation 31% · wind up to 24 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 24.10

🌦️

💧 35%

+9° +16°

Morning

🌦️

+12°

Day

🌦️

+16°

Evening

🌇

+14°

Night

🌙

+9°

Rain showers · precipitation 35% · wind up to 28 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 25.10

🌤️

💧 29%

+8° +19°

Morning

🌤️

+12°

Day

🌤️

+19°

Evening

🌇

+16°

Night

🌙

+8°

Mostly clear · precipitation 29% · wind up to 7 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Mon 26.10

🌫️

💧 24%

+7° +18°

Morning

🌫️

+11°

Day

🌫️

+18°

Evening

🌇

+15°

Night

🌙

+7°

Fog · precipitation 24% · wind up to 9 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 22° · 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

Moderate air

European AQI

PM2.5: 18PM10: 23O₃: 29NO₂: 12

Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise

05:42

Sunset

17:02

Golden hour

16:26

Daylight

11 h (-2 min vs yesterday)

Sea temperature

+22°

Sendai 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.

+4°

-3°

Jan

+5°

-3°

Feb

+9°

+0°

Mar

+14°

+5°

Apr

+18°

+10°

May

+21°

+15°

Jun

+25°

+19°

Jul

+26°

+21°

Aug

+23°

+18°

Sep

+18°

+11°

Oct

+13°

+5°

Nov

+7°

+0°

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	+4°	-3°	+10°	64 mm	Cold: +4° by day, down to -3° at night — dress warmly. It's a rainy month (64 mm) — an umbrella is a must. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+10°) — swimming is for the brave. This is the coldest month of the year.
February	+5°	-3°	+10°	51 mm	Winter weather: about +5° daytime, you need a warm coat and hat. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+10°) — swimming is for the brave.
March	+9°	+0°	+9°	87 mm	A cold month: +9° by day, long walks get uncomfortable. One of the wettest months (87 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+9°) — swimming is for the brave.
April	+14°	+5°	+12°	94 mm	Cool: around +14° by day, you'll need a warm layer. It's a rainy month (94 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave.
May	+18°	+10°	+15°	103 mm	Ideal weather: +18° daytime — neither hot nor cold. Frequent rain (103 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. The water is cold (+15°) — swimming is for the brave. Weather-wise, one of the three best months to visit.
June	+21°	+15°	+19°	130 mm	The most pleasant season: +21° by day, comfortable all day long. One of the wettest months (130 mm): downpours can derail plans. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing. The longest daylight hours of the year — more time for everything.
July	+25°	+19°	+24°	187 mm	One of the best times to visit: +25° by day, fresh nights. It's a rainy month (187 mm) — an umbrella is a must. 😊 light summer clothing. Water at +24° — great for swimming. Statistically the wettest month of the year.
August	+26°	+21°	+27°	163 mm	Gentle warmth — about +26° daytime, great walking weather. Frequent rain (163 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +27° — great for swimming. This is the hottest month of the year in Sendai.
September	+23°	+18°	+26°	170 mm	The most pleasant season: +23° by day, comfortable all day long. One of the wettest months (170 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +26° — great for swimming.
October	+18°	+11°	+22°	145 mm	One of the best times to visit: +18° by day, fresh nights. It's a rainy month (145 mm) — an umbrella is a must. 🙂 a sweater for the evening. Water at +22° — great for swimming.
November	+13°	+5°	+17°	65 mm	A fresh month — +13° daytime, take a jacket for walks. Frequent rain (65 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+17°) — swimming is for the brave.
December	+7°	+0°	+13°	60 mm	A cold month: +7° by day, long walks get uncomfortable. 🧣 a warmer jacket. The water is cold (+13°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.

When to visit Sendai

✅ Recommended time to visit

🌟 Best time: May, June, August

Daytime air+18…+26°

Sea temperature+15…+27°

Precipitationoften

Why: comfortable +18…+26° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, July, September, October, November

Daytime air+4…+25°

Sea temperature+10…+26°

Precipitationoften

Why: noticeable rain risk (51–187 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

❄️ Cold season: March, April, December

Daytime air+7…+14°

Sea temperature+9…+13°

Precipitationoften

Why: cold and dark (+7…+14° by day, 10 h of daylight) — only if frost and short days don’t put you off.

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