Hourly Weather Forecast - Santa Mercedes, São Paulo, BR

12 AM
73°F
0%
5mph
ESE
Partly Cloudy
Humidity
85%
Feels like
73°F
Dew Point
69°F
1 AM
73°F
0%
4mph
ESE
Mostly Clear
Humidity
88%
Feels like
73°F
Dew Point
69°F
2 AM
71°F
0%
4mph
ESE
Partly Cloudy
Humidity
91%
Feels like
71°F
Dew Point
69°F
3 AM
71°F
0%
4mph
ESE
Partly Cloudy
Humidity
93%
Feels like
71°F
Dew Point
68°F
4 AM
70°F
0%
4mph
ESE
Partly Cloudy
Humidity
94%
Feels like
70°F
Dew Point
68°F
5 AM
70°F
0%
5mph
ESE
Partly Cloudy
Humidity
93%
Feels like
70°F
Dew Point
68°F
5:41 AM
6 AM
70°F
0%
6mph
ESE
Partly Cloudy
Humidity
93%
Feels like
70°F
Dew Point
67°F
7 AM
71°F
0%
8mph
ESE
Partly Cloudy
Humidity
91%
Feels like
71°F
Dew Point
68°F
8 AM
72°F
0%
9mph
ESE
Partly Cloudy
Humidity
88%
Feels like
72°F
Dew Point
69°F
9 AM
74°F
0%
9mph
E
Partly Cloudy
Humidity
84%
Feels like
74°F
Dew Point
69°F
10 AM
77°F
10%
10mph
E
Partly Cloudy
Humidity
79%
Feels like
77°F
Dew Point
69°F
11 AM
78°F
30%
9mph
ENE
30% Chance Rain Showers
Humidity
75%
Feels like
78°F
Dew Point
70°F
12 PM
80°F
40%
7mph
ENE
40% Chance Rain Showers
Humidity
71%
Feels like
80°F
Dew Point
70°F
1 PM
81°F
40%
6mph
E
40% Chance Rain Showers
Humidity
70%
Feels like
85°F
Dew Point
70°F
2 PM
82°F
40%
6mph
ESE
40% Chance Rain Showers
Humidity
67%
Feels like
87°F
Dew Point
70°F
3 PM
83°F
40%
7mph
ESE
40% Chance Rain Showers
Humidity
65%
Feels like
88°F
Dew Point
71°F
4 PM
84°F
40%
8mph
ESE
40% Chance Rain Showers
Humidity
64%
Feels like
88°F
Dew Point
70°F
5 PM
83°F
30%
8mph
ESE
30% Chance Rain Showers
Humidity
64%
Feels like
87°F
Dew Point
70°F
6 PM
82°F
30%
9mph
E
30% Chance Rain Showers
Humidity
67%
Feels like
85°F
Dew Point
69°F
7 PM
79°F
30%
8mph
E
30% Chance Rain Showers
Humidity
73%
Feels like
79°F
Dew Point
70°F
7:07 PM
8 PM
77°F
40%
7mph
E
40% Chance Rain Showers
Humidity
80%
Feels like
77°F
Dew Point
71°F
9 PM
76°F
40%
6mph
E
40% Chance Rain Showers
Humidity
84%
Feels like
76°F
Dew Point
71°F
10 PM
75°F
30%
6mph
E
30% Chance Rain Showers
Humidity
87%
Feels like
75°F
Dew Point
71°F
11 PM
75°F
20%
7mph
ENE
Partly Cloudy
Humidity
87%
Feels like
75°F
Dew Point
71°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide