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WorldJapan → Atami

Weather in Atami — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Atami
🌤️
+23°
Mostly clear
Feels like +25° · humidity 84%
Today 12.9: +23° / +19°
🕐 15:25
Wind
11 km/h
UV index
1
Air (AQI)
37 · Good
Precipitation
100%
Humidity
84%
Pressure
1021 hPa
Sunrise / sunset
05:24 / 17:55
Sea temperature
🌊 +25°

👕 What to wear today

Comfortable — a T-shirt, a light sweater for the evening.
☂️ Take an umbrellaFeels warmer by 2°
Weather for an activity:

Detailed weather information for Atami

Today, 12 September, Saturday, in Atami (Japan): cloudy, light rain in places, moderately warm. During the day the air will warm up to +23°, at night around +19°. Wind up to 12 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 +25° — great for swimming. The sun will rise at 05:24 and set at 17:55 — daylight lasts 13 hours.

Hourly weather in Atami

🌅 sunrise 05:24 🌇 sunset 17:55🌤️🌙🌙🌤️🌤️+23°+22°+22°+22°+22°+22°+23°+24°2%2%14%20%25%47%25%43%15:0018:0021:0000:0003:0006:0009:0012:00
💧 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 Atami 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
🌦️
💧 100%
+19° +23°
Morning
🌦️
+20°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+19°
Light rain · precipitation 100% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Tomorrow 13.9
🌦️
💧 76%
+22° +25°
Morning
🌦️
+22°
Day
🌦️
+25°
Evening
🌇
+23°
Night
🌙
+22°
Drizzle · precipitation 76% · wind up to 8 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 14.9
🌦️
💧 73%
+23° +29°
Morning
🌦️
+25°
Day
🌦️
+29°
Evening
🌇
+28°
Night
🌙
+23°
Drizzle · precipitation 73% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 15.9
⛈️
💧 96%
+21° +24°
Morning
⛈️
+22°
Day
⛈️
+24°
Evening
🌇
+23°
Night
🌙
+21°
Thunderstorm · precipitation 96% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 16.9
🌦️
💧 88%
+21° +24°
Morning
🌦️
+22°
Day
🌦️
+24°
Evening
🌇
+23°
Night
🌙
+21°
Drizzle · precipitation 88% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 17.9
🌦️
💧 86%
+20° +24°
Morning
🌦️
+21°
Day
🌦️
+24°
Evening
🌇
+23°
Night
🌙
+20°
Drizzle · precipitation 86% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 18.9
☁️
💧 22%
+20° +24°
Morning
☁️
+21°
Day
☁️
+24°
Evening
🌇
+23°
Night
🌙
+20°
Overcast · precipitation 22% · wind up to 23 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 19.9
☁️
💧 44%
+22° +26°
Morning
☁️
+23°
Day
☁️
+26°
Evening
🌇
+25°
Night
🌙
+22°
Overcast · precipitation 44% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 20.9
☁️
💧 65%
+21° +26°
Morning
☁️
+23°
Day
☁️
+26°
Evening
🌇
+25°
Night
🌙
+21°
Overcast · precipitation 65% · wind up to 7 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 21.9
🌦️
💧 76%
+20° +27°
Morning
🌦️
+23°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+20°
Drizzle · precipitation 76% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 22.9
🌦️
💧 57%
+22° +27°
Morning
🌦️
+24°
Day
🌦️
+27°
Evening
🌇
+26°
Night
🌙
+22°
Rain showers · precipitation 57% · wind up to 23 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 23.9
🌦️
💧 60%
+19° +22°
Morning
🌦️
+20°
Day
🌦️
+22°
Evening
🌇
+21°
Night
🌙
+19°
Rain showers · precipitation 60% · wind up to 14 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Thu 24.9
⛈️
💧 60%
+18° +20°
Morning
⛈️
+19°
Day
⛈️
+20°
Evening
🌇
+20°
Night
🌙
+18°
Thunderstorm · precipitation 60% · wind up to 11 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Fri 25.9
🌦️
💧 44%
+18° +23°
Morning
🌦️
+20°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+18°
Rain showers · precipitation 44% · wind up to 17 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
9%
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

37
Good air
European AQI
PM2.5: 13PM10: 14O₃: 91NO₂: 19
The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise
05:24
Sunset
17:55
Golden hour
17:22
Daylight
13 h (-2 min vs yesterday)
Sea temperature
+25°

Atami 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.
+7°
+1°
Jan
+8°
+1°
Feb
+11°
+4°
Mar
+15°
+8°
Apr
+19°
+13°
May
+22°
+17°
Jun
+26°
+21°
Jul
+27°
+22°
Aug
+24°
+19°
Sep
+19°
+14°
Oct
+14°
+9°
Nov
+10°
+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 +7° +1° +16° 92 mm A cold month: +7° by day, long walks get uncomfortable. One of the wettest months (92 mm): downpours can derail plans. 🧣 a warmer jacket. The water is cold (+16°) — swimming is for the brave. This is the coldest month of the year.
February +8° +1° +16° 106 mm Cold: +8° by day, down to +1° at night — dress warmly. It's a rainy month (106 mm) — an umbrella is a must. 🧣 a warmer jacket. The water is cold (+16°) — swimming is for the brave.
March +11° +4° +16° 180 mm A fresh month — +11° daytime, take a jacket for walks. Frequent rain (180 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+16°) — swimming is for the brave.
April +15° +8° +17° 170 mm Cool weather: +15° by day, noticeably colder in the evening. One of the wettest months (170 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+17°) — swimming is for the brave.
May +19° +13° +19° 186 mm One of the best times to visit: +19° by day, fresh nights. It's a rainy month (186 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing.
June +22° +17° +22° 253 mm Ideal weather: +22° daytime — neither hot nor cold. Frequent rain (253 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Water at +22° — great for swimming. Statistically the wettest month of the year.
July +26° +21° +25° 232 mm The most pleasant season: +26° by day, comfortable all day long. One of the wettest months (232 mm): downpours can derail plans. 😊 light summer clothing. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
August +27° +22° +27° 154 mm Warm and comfortable: +27° by day, +22° at night. It's a rainy month (154 mm) — an umbrella is a must. 😊 light summer clothing. Water at +27° — great for swimming. This is the hottest month of the year in Atami.
September +24° +19° +26° 239 mm Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (239 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Water at +26° — great for swimming.
October +19° +14° +24° 248 mm The most pleasant season: +19° by day, comfortable all day long. One of the wettest months (248 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +24° — great for swimming.
November +14° +9° +21° 134 mm Cool: around +14° by day, you'll need a warm layer. It's a rainy month (134 mm) — an umbrella is a must. 🧥 a warm jacket. Sea at +21° — swimmable, refreshing.
December +10° +4° +18° 83 mm Winter weather: about +10° daytime, you need a warm coat and hat. Frequent rain (83 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. Sea at +18° — swimmable, refreshing. The shortest daylight of the year — it gets dark early.

When to visit Atami

✅ Recommended time to visit
🌟 Best time: January, July, August
Daytime air+7…+27°
Sea temperature+16…+27°
Precipitationoften
Why: comfortable +7…+27° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: February, March, April, May, June, September
Daytime air+8…+24°
Sea temperature+16…+26°
Precipitationoften
Why: noticeable rain risk (106–253 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: October, November, December
Daytime air+10…+19°
Sea temperature+18…+24°
Precipitationoften
Why: cold and dark (+10…+19° by day, 10 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Atami is January, July, August, and the most comfortable months are January, July, August. The toughest months to visit are October, November, December: frequent rain.

🌡️ Today vs the climate normal

Today's high
+23°
Normal for September
+24°
Deviation
1° colder than normal
A year ago on this day
+26°
Record for this date
+31° (2024)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Atami

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Atami

Frequently asked questions about the weather in Atami

What is the weather in Atami right now?
Mostly clear, +23°, feels like +25°.
Will it rain in Atami today?
Yes: 100% chance, 5 mm.
When is the best time to visit Atami?
Best time to visit — January, July, August.
Can you swim in Atami in summer?
In winter the water is around +17° — swimming is for the brave. In summer the sea warms up to +25°.
What time are sunrise and sunset in Atami?
Sunrise 05:24, sunset 17:55.
Does it snow in Atami in winter?
No, it practically never snows.
What is the climate in Atami by month?
Summers up to +27° in August, winters around +1° in January; the wettest month is June.
Is it cold in Atami in winter?
🧣 Cool. Take a warmer jacket.