Weather in Istanbul — today
Now in Istanbul
🌙
+21°
Mostly clear
Feels like +22° · humidity 80%
Wed 9.9: +26° / +20°
🕐 01:25
Wind
10 km/h
UV index
0
Air (AQI)
27 · Good
Precipitation
0%
Humidity
80%
Pressure
1013 hPa
Sunrise / sunset
06:38 / 19:23
Sea temperature
🌊 +25°
👕 What to wear today
Warm — a T-shirt and light trousers or shorts.
💨 Windy
Weather for an activity:
Detailed weather information for Istanbul
Wednesday, 9 September, in Istanbul (Republic of Türkiye): mostly clear, warm. During the day the air will warm up to +26°, at night around +20°. Wind up to 26 km/h. No precipitation expected, you won't need an umbrella. 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 06:38 and set at 19:23 — daylight lasts 13 hours.Hourly weather in Istanbul
💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Istanbul 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).
▶
Wed 9.9
🌤️
+20° +26°
Morning
🌤️
+22°
Day
🌤️
+26°
Evening
🌇
+25°
Night
🌙
+20°
▶
Today 10.9
⛅
+21° +27°
Morning
🌤️
+21°
Day
⛅
+27°
Evening
🌇
+24°
Night
🌙
+21°
▶
Tomorrow 11.9
⛅
+21° +27°
Morning
🌤️
+22°
Day
⛅
+27°
Evening
🌇
+24°
Night
🌙
+21°
▶
Sat 12.9
⛅
+20° +27°
Morning
⛅
+23°
Day
⛅
+27°
Evening
🌇
+25°
Night
🌙
+20°
▶
Sun 13.9
☁️
💧 1%
+20° +27°
Morning
☁️
+23°
Day
☁️
+27°
Evening
🌇
+25°
Night
🌙
+20°
▶
Mon 14.9
🌦️
💧 24%
+20° +26°
Morning
🌦️
+22°
Day
🌦️
+26°
Evening
🌇
+25°
Night
🌙
+20°
▶
Tue 15.9
⛈️
💧 25%
+20° +24°
Morning
⛈️
+21°
Day
⛈️
+24°
Evening
🌇
+23°
Night
🌙
+20°
▶
Wed 16.9
⛈️
💧 23%
+19° +21°
Morning
⛈️
+20°
Day
⛈️
+21°
Evening
🌇
+21°
Night
🌙
+19°
▶
Thu 17.9
🌦️
💧 35%
+19° +24°
Morning
🌦️
+21°
Day
🌦️
+24°
Evening
🌇
+23°
Night
🌙
+19°
▶
Fri 18.9
🌦️
💧 20%
+18° +23°
Morning
🌦️
+20°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+18°
▶
Sat 19.9
⛅
💧 20%
+18° +24°
Morning
⛅
+20°
Day
⛅
+24°
Evening
🌇
+23°
Night
🌙
+18°
▶
Sun 20.9
☀️
💧 27%
+19° +25°
Morning
☀️
+21°
Day
☀️
+25°
Evening
🌇
+24°
Night
🌙
+19°
▶
Mon 21.9
☀️
💧 27%
+20° +26°
Morning
☀️
+22°
Day
☀️
+26°
Evening
🌇
+25°
Night
🌙
+20°
▶
Tue 22.9
☀️
💧 22%
+19° +26°
Morning
☀️
+22°
Day
☀️
+26°
Evening
🌇
+24°
Night
🌙
+19°
🗺️ 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
85 / 100
for sea and sun · Excellent
🏊 Swimming
94 / 100
water 25° · Excellent
🏃 Running
64 / 100
comfort for running · Average
🧴 UV
0%
moderate · low
☂️ Rain
0%
unlikely · low
✨ Stars
88 / 100
evening visibility · Excellent
🧺 Laundry drying
62 / 100
will dry outside · Average
🚗 Car wash
95 / 100
no rain expected · Excellent
🌫️ Air quality and pollen
27
Good air
European AQI
PM2.5: 7PM10: 13O₃: 74NO₂: 13 pollen: low
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:38
Sunset
19:23
Golden hour
18:47
Daylight
13 h (-3 min vs yesterday)
Sea temperature
+25°
🌊 calm, waves 0.2 m.
Istanbul 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°
+4°
Jan
+9°
+4°
Feb
+11°
+6°
Mar
+15°
+9°
Apr
+20°
+14°
May
+25°
+18°
Jun
+28°
+21°
Jul
+28°
+22°
Aug
+24°
+18°
Sep
+19°
+14°
Oct
+14°
+10°
Nov
+10°
+6°
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° | +4° | +11° | 85 mm | Winter weather: about +8° daytime, you need a warm coat and hat. Frequent rain (85 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave. This is the coldest month of the year. Low season: no museum queues, occasional snow over the Bosphorus. |
| February | +9° | +4° | +9° | 71 mm | A cold month: +9° by day, long walks get uncomfortable. One of the wettest months (71 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+9°) — swimming is for the brave. The quietest month with the lowest hotel prices. |
| March | +11° | +6° | +9° | 72 mm | Cool: around +11° by day, you'll need a warm layer. It's a rainy month (72 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+9°) — swimming is for the brave. The city wakes up; first warm strolling days. |
| April | +15° | +9° | +11° | 47 mm | A fresh month — +15° daytime, take a jacket for walks. 🧥 a warm jacket. The water is cold (+11°) — swimming is for the brave. Tulip Festival — millions of blooms in Emirgan Park. |
| May | +20° | +14° | +15° | 36 mm | The most pleasant season: +20° by day, comfortable all day long. 🙂 a sweater for the evening. The water is cold (+15°) — swimming is for the brave. Best month: warm, green, Bosphorus ferries. |
| June | +25° | +18° | +21° | 35 mm | One of the best times to visit: +25° by day, fresh nights. 😊 light summer clothing. Sea at +21° — swimmable, refreshing. The longest daylight hours of the year — more time for everything. Summer music festivals and open-air venues begin. |
| July | +28° | +21° | +25° | 19 mm | Gentle warmth — about +28° daytime, great walking weather. 😊 light summer clothing. Water at +25° — great for swimming. One of the driest months — rain is very unlikely. Istanbul Jazz Festival; ferries beat the heat. |
| August | +28° | +22° | +25° | 20 mm | A comfortable month: +28° by day without exhausting heat. 😊 light summer clothing. Water at +25° — great for swimming. This is the hottest month of the year in Istanbul. Hot, busy peak; rooftop dinners. |
| September | +24° | +18° | +24° | 45 mm | One of the best times to visit: +24° by day, fresh nights. 😊 light summer clothing. Water at +24° — great for swimming. Velvet season — warmth without crowds. |
| October | +19° | +14° | +20° | 78 mm | Ideal weather: +19° daytime — neither hot nor cold. Frequent rain (78 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Sea at +20° — swimmable, refreshing. Republic Day on 29 October: parades and fireworks. |
| November | +14° | +10° | +17° | 72 mm | Cool weather: +14° by day, noticeably colder in the evening. One of the wettest months (72 mm): downpours can derail plans. 🧥 a warm jacket. The water is cold (+17°) — swimming is for the brave. Rains return; fish restaurant season. |
| December | +10° | +6° | +13° | 97 mm | Cool: around +10° by day, you'll need a warm layer. It's a rainy month (97 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+13°) — swimming is for the brave. Statistically the wettest month of the year. Festive lights along Istiklal Avenue. |
When to visit Istanbul
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+25…+28°
Sea temperature+21…+25°
Precipitationrare
Why: comfortable +25…+28° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: March, April, May, September, October, November
Daytime air+11…+24°
Sea temperature+9…+24°
Precipitationoften
Why: cool (+11…+24°) — not beach season, but great for city sights and museums.
🔴 Not the best time
❄️ Cold season: January, February, December
Daytime air+8…+10°
Sea temperature+9…+13°
Precipitationoften
Why: cold and dark (+8…+10° by day, 9 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Istanbul is June – August, and the most comfortable months are June, July, August. The toughest months to visit are January, February, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+26°
Normal for September
+24°
Deviation
2° warmer than normal
A year ago on this day
+26°
Record for this date
+30° (1952)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Istanbul
📅 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 →
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Weather in cities near Istanbul
Frequently asked questions about the weather in Istanbul
What is the weather in Istanbul right now?＋
Mostly clear, +21°, feels like +22°.
Will it rain in Istanbul today?＋
No: 0% chance, 0 mm.
When is the best time to visit Istanbul?＋
Best time to visit — June – August.
Can you swim in Istanbul in summer?＋
In winter the water is around +11° — swimming is for the brave. In summer the sea warms up to +24°.
What time are sunrise and sunset in Istanbul?＋
Sunrise 06:38, sunset 19:23.
Does it snow in Istanbul in winter?＋
No, it practically never snows.
What is the climate in Istanbul by month?＋
Summers up to +28° in August, winters around +4° in January; the wettest month is December.
Is it cold in Istanbul in winter?＋
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.