Hourly Weather Forecast - Mercedes, Heredia, CR

12 AM
65°F
10%
12mph
NE
Partly Cloudy
Humidity
80%
Feels like
65°F
Dew Point
58°F
1 AM
65°F
10%
11mph
NE
Partly Cloudy
Humidity
80%
Feels like
65°F
Dew Point
58°F
2 AM
64°F
10%
11mph
ENE
Partly Cloudy
Humidity
80%
Feels like
64°F
Dew Point
58°F
3 AM
64°F
10%
11mph
ENE
Mostly Cloudy
Humidity
81%
Feels like
64°F
Dew Point
58°F
4 AM
64°F
10%
11mph
NE
Mostly Cloudy
Humidity
82%
Feels like
64°F
Dew Point
58°F
5 AM
64°F
10%
11mph
NE
Mostly Cloudy
Humidity
81%
Feels like
64°F
Dew Point
59°F
5:47 AM
6 AM
67°F
10%
11mph
NE
Partly Cloudy
Humidity
77%
Feels like
67°F
Dew Point
59°F
7 AM
70°F
0%
11mph
NE
Partly Cloudy
Humidity
70%
Feels like
70°F
Dew Point
60°F
8 AM
72°F
0%
11mph
NE
Partly Cloudy
Humidity
66%
Feels like
72°F
Dew Point
60°F
9 AM
74°F
0%
12mph
NE
Mostly Sunny
Humidity
64%
Feels like
74°F
Dew Point
61°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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