Hourly Weather Forecast - Arenal, Guanacaste, CR

2 PM
86°F
10%
10mph
E
Partly Cloudy
Humidity
65%
Feels like
93°F
Dew Point
73°F
3 PM
85°F
10%
11mph
E
Partly Cloudy
Humidity
66%
Feels like
91°F
Dew Point
72°F
4 PM
83°F
30%
10mph
ENE
30% Chance Rain Showers
Humidity
70%
Feels like
88°F
Dew Point
72°F
5 PM
80°F
30%
9mph
E
30% Chance Rain Showers
Humidity
75%
Feels like
80°F
Dew Point
71°F
5:22 PM
6 PM
78°F
30%
8mph
E
30% Chance Rain Showers
Humidity
80%
Feels like
78°F
Dew Point
71°F
7 PM
76°F
30%
8mph
E
30% Chance Rain Showers
Humidity
84%
Feels like
76°F
Dew Point
71°F
8 PM
75°F
40%
7mph
E
40% Chance Rain Showers
Humidity
88%
Feels like
75°F
Dew Point
71°F
9 PM
74°F
40%
7mph
ENE
40% Chance Rain Showers
Humidity
91%
Feels like
74°F
Dew Point
71°F
10 PM
73°F
50%
7mph
ENE
50% Chance Rain Showers
Humidity
93%
Feels like
73°F
Dew Point
71°F
11 PM
72°F
70%
6mph
ENE
70% Chance Rain Showers
Humidity
95%
Feels like
72°F
Dew Point
71°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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