Hourly Weather Forecast - Mercedes, Heredia, CR

4 AM
64°F
20%
9mph
NE
Partly Cloudy
Humidity
89%
Feels like
64°F
Dew Point
61°F
5 AM
65°F
20%
9mph
NE
Partly Cloudy
Humidity
88%
Feels like
65°F
Dew Point
62°F
5:44 AM
6 AM
68°F
20%
9mph
ENE
Partly Cloudy
Humidity
83%
Feels like
68°F
Dew Point
62°F
7 AM
71°F
20%
9mph
NE
Partly Cloudy
Humidity
77%
Feels like
71°F
Dew Point
63°F
8 AM
73°F
20%
9mph
NE
Partly Cloudy
Humidity
74%
Feels like
73°F
Dew Point
64°F
9 AM
74°F
40%
9mph
NE
40% Chance Rain Showers
Humidity
74%
Feels like
74°F
Dew Point
65°F
10 AM
74°F
40%
10mph
NE
40% Chance Rain Showers
Humidity
75%
Feels like
74°F
Dew Point
65°F
11 AM
73°F
40%
11mph
NE
40% Chance Rain Showers
Humidity
77%
Feels like
73°F
Dew Point
65°F
12 PM
73°F
50%
11mph
N
50% Chance Rain Showers
Humidity
78%
Feels like
73°F
Dew Point
65°F
1 PM
72°F
50%
11mph
N
50% Chance Rain Showers
Humidity
79%
Feels like
72°F
Dew Point
65°F
2 PM
71°F
70%
10mph
N
70% Chance of Storms
Humidity
79%
Feels like
71°F
Dew Point
65°F
3 PM
70°F
70%
9mph
NNE
70% Chance of Storms
Humidity
80%
Feels like
70°F
Dew Point
64°F
4 PM
69°F
70%
9mph
NNE
70% Chance Rain Showers
Humidity
81%
Feels like
69°F
Dew Point
63°F
5 PM
68°F
70%
8mph
NE
70% Chance of Storms
Humidity
84%
Feels like
68°F
Dew Point
63°F
5:17 PM
6 PM
68°F
50%
8mph
NE
50% Chance Rain Showers
Humidity
84%
Feels like
68°F
Dew Point
63°F
7 PM
67°F
50%
9mph
NE
50% Chance Rain Showers
Humidity
83%
Feels like
67°F
Dew Point
62°F
8 PM
67°F
40%
9mph
ENE
40% Chance Rain Showers
Humidity
83%
Feels like
67°F
Dew Point
62°F
9 PM
67°F
50%
10mph
ENE
50% Chance of Light Rain
Humidity
84%
Feels like
67°F
Dew Point
62°F
10 PM
67°F
50%
10mph
ENE
50% Chance of Light Rain
Humidity
84%
Feels like
67°F
Dew Point
62°F
11 PM
67°F
50%
10mph
ENE
50% Chance of Light Rain
Humidity
85%
Feels like
67°F
Dew Point
62°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to 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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