Hourly Weather Forecast - Arenal, Guanacaste, CR

1 PM
85°F
10%
10mph
E
Partly Cloudy
Humidity
69%
Feels like
92°F
Dew Point
73°F
2 PM
85°F
10%
10mph
ENE
Partly Cloudy
Humidity
69%
Feels like
91°F
Dew Point
73°F
3 PM
83°F
20%
11mph
E
Partly Cloudy
Humidity
70%
Feels like
89°F
Dew Point
73°F
4 PM
81°F
20%
10mph
ENE
Partly Cloudy
Humidity
74%
Feels like
86°F
Dew Point
72°F
5 PM
79°F
30%
9mph
ENE
30% Chance Rain Showers
Humidity
79%
Feels like
79°F
Dew Point
72°F
5:22 PM
6 PM
77°F
30%
8mph
E
30% Chance Rain Showers
Humidity
83%
Feels like
77°F
Dew Point
71°F
7 PM
75°F
30%
8mph
ENE
30% Chance Rain Showers
Humidity
87%
Feels like
75°F
Dew Point
71°F
8 PM
74°F
40%
7mph
E
40% Chance Rain Showers
Humidity
90%
Feels like
74°F
Dew Point
71°F
9 PM
73°F
40%
7mph
E
40% Chance Rain Showers
Humidity
93%
Feels like
73°F
Dew Point
71°F
10 PM
72°F
50%
7mph
E
50% Chance Rain Showers
Humidity
95%
Feels like
72°F
Dew Point
71°F
11 PM
72°F
70%
6mph
ENE
70% Chance Rain Showers
Humidity
96%
Feels like
72°F
Dew Point
70°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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