Hourly Weather Forecast - Pirai, Rio de Janeiro, BR

12 AM
68°F
0%
6mph
NNE
Mostly Clear
Humidity
88%
Feels like
68°F
Dew Point
65°F
1 AM
67°F
0%
5mph
NNE
Mostly Clear
Humidity
90%
Feels like
67°F
Dew Point
64°F
2 AM
67°F
0%
5mph
NNE
Hazy
Humidity
92%
Feels like
67°F
Dew Point
64°F
3 AM
66°F
0%
5mph
NNE
Hazy
Humidity
93%
Feels like
66°F
Dew Point
64°F
4 AM
66°F
0%
4mph
NNE
Hazy
Humidity
93%
Feels like
66°F
Dew Point
64°F
5 AM
67°F
0%
4mph
NNE
Mostly Clear
Humidity
89%
Feels like
67°F
Dew Point
64°F
5:08 AM
6 AM
70°F
0%
4mph
NNE
Mostly Sunny
Humidity
83%
Feels like
70°F
Dew Point
64°F
7 AM
73°F
0%
5mph
NNE
Mostly Sunny
Humidity
77%
Feels like
73°F
Dew Point
65°F
8 AM
77°F
0%
6mph
NNE
Mostly Sunny
Humidity
71%
Feels like
77°F
Dew Point
67°F
9 AM
80°F
0%
7mph
NNE
Partly Cloudy
Humidity
65%
Feels like
82°F
Dew Point
67°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's 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 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