Weather in Viana do Castelo, Portugal
Weather Advisories
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Today's weather summary
The weather in Viana do Castelo on Friday, April 26th, will vary throughout the day from drizzling condition to clear.
Looks like drizzle will emerge during the night and there is a high chance for clear skies before dawn.
Weather details for Viana do Castelo, on Friday, April 26th:
The highest temperature of the day is going to be 65°F around 3 pm. The day will have high relative humidity, with average humidity of 66%, ranging from 53% to a maximum value of 82% at about 7 am. The wind will be breezy, and will get up to 13 mph at 7 pm, blowing from the south-west. The cloud coverage will range from 0% around 1 am to as high as 100% around 7 pm with an average of 47%.
The chances of precipitation throughout the day will change between 0% and 10%. The highest chance for precipitation will be around 11 pm and the lowest probability around midnight. The dew point will range from 48°F up to a maximum value of 54°F around 11 pm.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1010 hPa. Sunrise will be at 6:39 am, and sunset at 8:05 pm. The day will have 13 hours and 26 minutes of daylight.
Air quality forecast for Viana do Castelo, on Friday, April 26th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 28 and 59.
Pollen forecast for Viana do Castelo, on Friday, April 26th:
Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in Viana do Castelo on Saturday, April 27th, is going to be clear throughout the day, together with cloud overcast before dawn.
There is also a chance for light rain before dawn at about 12 am, and also few clouds during the morning around 10 am.
Weather details for Viana do Castelo, on Saturday, April 27th:
The highest temperature during the day will be 65°F around 2 pm. The day will have very high relative humidity, with average humidity of 70%, ranging from 53% to a maximum value of 92% at about 6 am. The wind will be breezy, and will get up to 16 mph at 4 pm, blowing from the south-west. The cloud coverage will range from 0% around 7 pm to as high as 100% around 8 am with an average of 47%.
The chances of precipitation throughout the day will change between 0% and 25%. The highest chance for precipitation will be around 8 am and the lowest probability around 2 am. The dew point will range from 47°F up to a maximum value of 55°F around 5 am.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be low with average pressure of 1007 hPa. Sunrise will be at 6:38 am, and sunset at 8:06 pm, making it a total of 13 hours and 28 minutes of daylight.
Air quality forecast for Viana do Castelo, on Saturday, April 27th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 51 and 70.
Pollen forecast for Viana do Castelo, on Saturday, April 27th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
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