For this time of the year, Viana do Castelo is experiencing slightly cooler temperatures, gently falling below the seasonal average.
According to the long-range forecast, temperatures are expected to be 23.2 °C which is -1.3 °C lower than the historical average.
Select a month and click on a day for more information:
Saturday
Aug 1
26° / 17°
Sunday
Aug 2
25° / 16°
Monday
Aug 3
26° / 16°
Tuesday
Aug 4
23° / 17°
Wednesday
Aug 5
24° / 16°
Thursday
Aug 6
26° / 15°
Friday
Aug 7
24° / 16°
Saturday
Aug 8
23° / 15°
Sunday
Aug 9
23° / 15°
Monday
Aug 10
23° / 15°
Tuesday
Aug 11
23° / 15°
Wednesday
Aug 12
24° / 15°
Thursday
Aug 13
25° / 17°
Friday
Aug 14
23° / 16°
Saturday
Aug 15
22° / 16°
Sunday
Aug 16
21° / 14°
Monday
Aug 17
22° / 15°
Tuesday
Aug 18
24° / 16°
Wednesday
Aug 19
23° / 15°
Thursday
Aug 20
25° / 16°
Friday
Aug 21
25° / 15°
Saturday
Aug 22
26° / 16°
Sunday
Aug 23
26° / 17°
Monday
Aug 24
23° / 15°
Tuesday
Aug 25
24° / 15°
Wednesday
Aug 26
24° / 14°
Thursday
Aug 27
22° / 15°
Friday
Aug 28
22° / 14°
Saturday
Aug 29
22° / 15°
Sunday
Aug 30
22° / 15°
Monday
Aug 31
22° / 15°
Viana do Castelo 30 days weather forecast
Check out our estimated 30 days weather forecast for Viana do Castelo, this data is based on the average weather in Viana do Castelo in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Viana do Castelo next to the desired date.