PortoWeather
Experimental Forecast This is NOT an official forecast. For official weather information, visit IPMA (Portuguese Met Service) .

Arouca

⚠ Cold Advisory → ⚠ Frost Advisory →

Updated: 25 Dec 2025, 05:20 UTC 

NOWPRT
EXPERIMENTAL NOWCAST FOR AROUCA
EXPERIMENTAL FORECAST OFFICE - PORTO METRO
05:20 UTC THU DEC 25 2025

Immediate Forecast - Arouca

Valid: 05:20 UTC to 18:00 UTC (06:20 to 19:00 local time)

Key Messages

  • Dry conditions will continue through the day with no rain expected.
  • Clouds will increase through the morning, then clear rapidly in the afternoon.
  • Temperatures will rise slowly through midday, peaking around 11°C, then gradually fall tonight.
  • No hazardous weather is expected—conditions will remain calm and manageable for outdoor plans.

Current Conditions & Near-Term Outlook

As of early morning, Arouca remains dry with temperatures around 5°C and increasing cloud cover. Over the next few hours, skies will become mostly overcast by late morning, but no rain is expected. Temperatures will begin a gradual climb, reaching 9°C by late morning and peaking near 11°C between noon and early afternoon.

Despite the cloudiness early on, the sky will clear quickly after midday. By mid-afternoon, around 3 PM, sunshine will return under mostly clear skies, continuing through the evening. The afternoon will be the warmest part of the day, though conditions will remain cool overall—light layers will be comfortable for outdoor activities.

There is a very low chance of light showers late this afternoon and early evening (between 4 PM and 7 PM), with model guidance showing only a 10–13% probability. These are not expected to produce measurable rain or impact travel. The most likely outcome remains dry conditions through the evening.

Tonight/Tomorrow Morning

Temperatures will begin to fall after sunset, dropping to around 5°C by 8 PM and nearing 3°C by midnight. The night will be calm and dry, with clear to partly cloudy skies. Frost is not expected at this time, but surfaces may feel cold to the touch—especially on grass or metal.

No significant changes are anticipated in the next 12–18 hours. Model runs over the past 20 minutes show consistent temperature and precipitation trends, with no indication of storm development or sudden shifts.

Experimental forecast - not official guidance

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