Updated: 25 Dec 2025, 05:20 UTC

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

Immediate Forecast - Santo Tirso

Valid: 05:20 UTC to 18:00 UTC (06:20 to 19:00 Local Time)

Key Messages

Clouds will increase through the early morning, but no rain is expected.
Temperatures will slowly rise through the day, reaching around 10°C by midday.
A brief window of light rain is possible this afternoon, but most areas will stay dry.
No hazardous conditions are expected—roads and sidewalks will remain clear.

Current Conditions & Near-Term Outlook

As of 05:20 UTC (06:20 AM local time), Santo Tirso is cool and mostly cloudy, with temperatures near 4°C. Over the next few hours, skies will remain overcast, especially between 7 AM and 9 AM, before some partial clearing develops by late morning.

Temperatures will begin to rise slowly after 7 AM, climbing from around 5°C to near 10°C by noon. The afternoon will be mild for the time of year, with temperatures holding steady at 10°C between noon and 4 PM.

There is a slight chance—around 10–15%—of a brief light shower between 2 PM and 5 PM. These would be isolated and short-lived if they occur, with no accumulation expected. Most of the area is likely to stay dry throughout the day.

Winds will remain light and variable, with no strong gusts expected. There are no concerns for travel, power, or outdoor activities.

Tonight/Tomorrow Morning

After sunset, temperatures will begin to fall gradually. By 8 PM, readings will drop to around 6°C and remain steady through the evening. Skies will clear slowly after 7 PM, with mostly clear conditions expected by late evening.

Overnight into Friday morning, temperatures may dip to near 4°C again by dawn, but no frost or freezing conditions are expected at this time. The start of Friday will be cool and calm, with increasing clouds possible by late morning.

Experimental forecast - not official guidance