Istanbul Hourly Weather Forecast

Istanbul temperature trend - Next 24 hours

The next 24 hours at a glance

Warmest hour: 3 PM - around 87°
Coolest hour: 6 AM - around 74°
Rain risk: low all day (peaks at 17%)
UV peak: 1 PM at index 9 - sun protection recommended
Windiest: 4 PM at 13 mph

Istanbul hourly weather - Friday, August 7

In Istanbul, expect a high near 87°F (31°C) around 3 PM and a low of 74°F (23°C) near 6 AM; precipitation risk peaks at 17% around 6 AM.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Clear	76°	77°	12%	11 mph NE	83%	0
1 AM	Clear	75°	77°	12%	10 mph NE	84%	0
2 AM	Clear	75°	78°	13%	8 mph NE	86%	0
3 AM	Partly Cloudy	75°	78°	14%	7 mph NE	87%	0
4 AM	Partly Cloudy	74°	79°	15%	7 mph NE	88%	0
5 AM	Partly Cloudy	74°	79°	16%	6 mph NE	89%	0
6 AM	Partly Cloudy	74°	79°	17%	5 mph NNE	90%	0
7 AM	Partly Cloudy	74°	80°	15%	5 mph NNE	88%	0
8 AM	Partly Cloudy	76°	81°	13%	5 mph NNE	79%	1
9 AM	Sunny	78°	82°	7%	5 mph NE	70%	2
10 AM	Sunny	80°	83°	4%	4 mph NE	63%	4
11 AM	Sunny	82°	84°	3%	4 mph NNE	58%	6
12 PM	Sunny	83°	85°	3%	6 mph NNE	55%	8
1 PM	Sunny	85°	87°	2%	8 mph NNE	51%	9
2 PM	Sunny	87°	89°	1%	10 mph NNE	47%	8
3 PM	Sunny	87°	88°	1%	12 mph NNE	46%	7
4 PM	Sunny	87°	88°	1%	13 mph NNE	46%	5
5 PM	Sunny	86°	87°	1%	13 mph NNE	46%	3
6 PM	Sunny	85°	86°	1%	12 mph NNE	47%	1
7 PM	Sunny	84°	85°	2%	9 mph NNE	49%	0
8 PM	Sunny	82°	83°	2%	9 mph NE	53%	0
9 PM	Clear	80°	82°	3%	8 mph NE	58%	0
10 PM	Clear	79°	81°	4%	7 mph NE	62%	0
11 PM	Clear	78°	80°	4%	6 mph NNE	65%	0

Istanbul hourly weather - Saturday, August 8

In Istanbul, expect a high near 88°F (31°C) around 2 PM and a low of 75°F (24°C) near 6 AM, with no meaningful precipitation risk.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Clear	78°	80°	5%	5 mph NNE	68%	0
1 AM	Clear	77°	81°	5%	4 mph NNE	69%	0
2 AM	Clear	77°	80°	6%	4 mph N	70%	0
3 AM	Clear	76°	80°	6%	4 mph N	72%	0
4 AM	Clear	76°	80°	7%	3 mph NNE	74%	0
5 AM	Clear	75°	80°	8%	3 mph N	76%	0
6 AM	Clear	75°	80°	9%	2 mph N	78%	0
7 AM	Sunny	75°	81°	8%	2 mph NNE	77%	0
8 AM	Sunny	77°	83°	6%	1 mph NE	71%	1
9 AM	Sunny	79°	82°	4%	3 mph NNW	64%	2
10 AM	Sunny	82°	84°	3%	3 mph NNW	56%	4
11 AM	Sunny	83°	85°	2%	3 mph NNW	51%	6
12 PM	Sunny	84°	86°	2%	5 mph NNW	49%	8
1 PM	Sunny	86°	87°	1%	9 mph NNW	46%	9
2 PM	Sunny	88°	88°	1%	12 mph N	45%	8
3 PM	Sunny	87°	89°	2%	13 mph N	46%	6
4 PM	Sunny	87°	88°	2%	13 mph N	47%	4
5 PM	Sunny	86°	88°	2%	14 mph NNE	53%	2
6 PM	Sunny	84°	86°	3%	13 mph NNE	56%	1
7 PM	Sunny	82°	85°	3%	13 mph NNE	59%	0
8 PM	Sunny	80°	82°	4%	11 mph NNE	64%	0
9 PM	Clear	79°	81°	5%	10 mph NE	69%	0
10 PM	Clear	78°	80°	6%	9 mph NE	72%	0
11 PM	Clear	78°	81°	7%	7 mph NE	74%	0

Quick answers for the hours ahead

What is the warmest hour in Istanbul today?

3 PM is forecast to be the warmest, at about 87°F (31°C) with sunny.

Will it rain in Istanbul tonight?

Unlikely - the evening precipitation chance stays at or below 11%.

When is the UV index highest in Istanbul today?

Around 1 PM, when it reaches 9. From UV 3 upward, sun protection is recommended.

Istanbul hour-by-hour: what to expect

Over the next 24 hours in Istanbul, temperatures range from 74°F (23°C) around 6 AM up to 87°F (31°C) near 3 PM - about 3°F (2°C) above the typical August high of 84°F (29°C).

A stray shower can't be ruled out - Rain chances top out at 17% around 6 AM. UV reaches 9 (1 PM) - sun protection recommended through midday.

The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Istanbul 14-day forecast or the monthly climate averages.

Hourly forecasts nearby

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Istanbul, Turkey Hourly Forecast