Porto Hourly Weather Forecast

Porto temperature trend - Next 24 hours

The next 24 hours at a glance

Warmest hour: 4 PM - around 83°
Coolest hour: 8 AM - around 61°
Rain risk: low all day (peaks at 11%)
UV peak: 1 PM at index 5 - sun protection recommended
Windiest: 6 PM at 12 mph

Porto hourly weather - Wednesday, September 16

In Porto, expect a high near 83°F (29°C) around 4 PM and a low of 61°F (16°C) near 8 AM, with no meaningful precipitation risk.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Clear	66°	68°	10%	5 mph NNW	82%	0
1 AM	Clear	66°	66°	11%	5 mph NNW	84%	0
2 AM	Clear	64°	65°	11%	5 mph NNW	85%	0
3 AM	Clear	64°	64°	11%	5 mph N	84%	0
4 AM	Clear	63°	62°	10%	5 mph N	84%	0
5 AM	Clear	62°	62°	10%	5 mph N	82%	0
6 AM	Clear	62°	60°	9%	6 mph N	80%	0
7 AM	Clear	61°	59°	8%	6 mph N	76%	0
8 AM	Sunny	61°	58°	6%	7 mph N	72%	0
9 AM	Sunny	64°	60°	4%	8 mph NNE	61%	1
10 AM	Sunny	69°	64°	2%	9 mph NNE	51%	2
11 AM	Sunny	73°	68°	1%	9 mph NNE	44%	3
12 PM	Sunny	76°	71°	2%	9 mph NNE	41%	4
1 PM	Cloudy	79°	75°	6%	8 mph N	36%	5
2 PM	Sunny	82°	76°	2%	9 mph NNW	31%	5
3 PM	Partly Cloudy	83°	76°	2%	10 mph NNW	27%	5
4 PM	Sunny	83°	76°	1%	10 mph NNW	24%	3
5 PM	Sunny	83°	75°	1%	11 mph NNW	24%	2
6 PM	Overcast	81°	72°	9%	12 mph NNW	26%	1
7 PM	Overcast	77°	68°	9%	12 mph NNW	29%	0
8 PM	Partly Cloudy	74°	66°	3%	9 mph N	30%	0
9 PM	Partly Cloudy	71°	65°	3%	7 mph N	34%	0
10 PM	Overcast	68°	63°	9%	7 mph N	40%	0
11 PM	Overcast	66°	61°	10%	7 mph NNE	44%	0

Porto hourly weather - Thursday, September 17

In Porto, expect a high near 79°F (26°C) around 3 PM and a low of 61°F (16°C) near 7 AM, with no meaningful precipitation risk.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Overcast	66°	61°	11%	6 mph NE	46%	0
1 AM	Overcast	66°	61°	11%	7 mph NE	47%	0
2 AM	Overcast	66°	60°	10%	9 mph ENE	44%	0
3 AM	Overcast	65°	59°	11%	8 mph NE	45%	0
4 AM	Overcast	64°	58°	10%	8 mph NE	47%	0
5 AM	Partly Cloudy	63°	58°	4%	6 mph NE	49%	0
6 AM	Clear	62°	58°	2%	5 mph NE	51%	0
7 AM	Overcast	61°	57°	12%	4 mph ENE	52%	0
8 AM	Overcast	61°	57°	12%	4 mph ENE	51%	0
9 AM	Overcast	64°	60°	11%	5 mph NE	46%	1
10 AM	Overcast	68°	62°	10%	6 mph ENE	41%	2
11 AM	Overcast	71°	66°	10%	6 mph NE	35%	3
12 PM	Overcast	74°	69°	8%	5 mph NNE	31%	5
1 PM	Overcast	76°	71°	9%	6 mph N	28%	6
2 PM	Cloudy	78°	73°	6%	6 mph NNW	27%	6
3 PM	Sunny	79°	73°	1%	8 mph NW	27%	5
4 PM	Sunny	79°	73°	0%	9 mph NW	29%	4
5 PM	Sunny	78°	70°	1%	12 mph NW	34%	2
6 PM	Sunny	75°	69°	1%	10 mph NW	41%	1
7 PM	Overcast	72°	68°	11%	7 mph NW	49%	0
8 PM	Overcast	69°	67°	13%	4 mph NW	57%	0
9 PM	Overcast	68°	67°	14%	3 mph NNW	59%	0
10 PM	Cloudy	67°	66°	9%	3 mph N	59%	0
11 PM	Cloudy	67°	65°	9%	4 mph NNE	58%	0

Quick answers for the hours ahead

What is the warmest hour in Porto today?

4 PM is forecast to be the warmest, at about 83°F (28°C) with sunny.

Will it rain in Porto tonight?

Unlikely - the evening precipitation chance stays at or below 9%.

When is the UV index highest in Porto today?

Around 1 PM, when it reaches 5. From UV 3 upward, sun protection is recommended.

Porto hour-by-hour: what to expect

Over the next 24 hours in Porto, temperatures range from 61°F (16°C) around 8 AM up to 83°F (29°C) near 4 PM - about 9°F (5°C) above the typical September high of 74°F (24°C).

Precipitation chances stay minimal throughout, so plans can skip the umbrella.

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 Porto 14-day forecast or the monthly climate averages.

Porto, Portugal Hourly Forecast