Hourly Weather Forecast - Arcos de Valdevez, Viana do Castelo, PT

12 AM
42°F
20%
3mph
NE
Clear
Humidity
90%
Feels like
42°F
Dew Point
39°F
1 AM
42°F
20%
2mph
NE
Hazy
Humidity
92%
Feels like
42°F
Dew Point
40°F
2 AM
41°F
20%
2mph
NE
Hazy
Humidity
93%
Feels like
41°F
Dew Point
39°F
3 AM
41°F
20%
3mph
NE
Hazy
Humidity
94%
Feels like
41°F
Dew Point
40°F
4 AM
41°F
20%
2mph
NE
Hazy
Humidity
95%
Feels like
41°F
Dew Point
39°F
5 AM
40°F
20%
3mph
NE
Partly Cloudy
Humidity
95%
Feels like
40°F
Dew Point
39°F
6 AM
40°F
20%
3mph
NE
Mostly Cloudy
Humidity
97%
Feels like
40°F
Dew Point
39°F
7 AM
40°F
20%
3mph
ENE
Mostly Cloudy
Humidity
97%
Feels like
40°F
Dew Point
39°F
7:57 AM
8 AM
40°F
20%
3mph
ENE
Cloudy
Humidity
95%
Feels like
40°F
Dew Point
39°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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