Hourly Weather Forecast - Constância, Santarém, PT

12 AM
48°F
10%
4mph
NNW
Clear
Humidity
84%
Feels like
46°F
Dew Point
43°F
1 AM
47°F
10%
4mph
NNW
Clear
Humidity
83%
Feels like
45°F
Dew Point
42°F
2 AM
46°F
10%
4mph
NNW
Mostly Clear
Humidity
84%
Feels like
44°F
Dew Point
42°F
3 AM
45°F
10%
4mph
NNW
Mostly Clear
Humidity
85%
Feels like
43°F
Dew Point
41°F
4 AM
45°F
10%
4mph
NNW
Mostly Clear
Humidity
87%
Feels like
42°F
Dew Point
41°F
5 AM
44°F
10%
4mph
NNW
Mostly Clear
Humidity
89%
Feels like
41°F
Dew Point
41°F
6 AM
43°F
10%
4mph
NNW
Mostly Clear
Humidity
89%
Feels like
41°F
Dew Point
40°F
7 AM
43°F
10%
4mph
NNW
Mostly Clear
Humidity
90%
Feels like
41°F
Dew Point
40°F
7:49 AM
8 AM
44°F
10%
4mph
NNW
Partly Cloudy
Humidity
90%
Feels like
42°F
Dew Point
41°F
9 AM
46°F
10%
4mph
NNW
Cloudy
Humidity
88%
Feels like
44°F
Dew Point
43°F
10 AM
49°F
10%
5mph
NNW
Cloudy
Humidity
80%
Feels like
47°F
Dew Point
43°F
11 AM
52°F
10%
7mph
NNW
Cloudy
Humidity
75%
Feels like
52°F
Dew Point
44°F
12 PM
54°F
10%
9mph
NNW
Cloudy
Humidity
72%
Feels like
54°F
Dew Point
45°F
1 PM
55°F
10%
10mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
55°F
Dew Point
46°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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