Hourly Weather Forecast - Arenal, Guanacaste, CR

12 AM
71°F
50%
7mph
ENE
50% Chance Rain Showers
Humidity
97%
Feels like
71°F
Dew Point
70°F
1 AM
71°F
40%
6mph
ENE
40% Chance Rain Showers
Humidity
98%
Feels like
71°F
Dew Point
70°F
2 AM
70°F
40%
5mph
ENE
40% Chance Rain Showers
Humidity
99%
Feels like
70°F
Dew Point
70°F
3 AM
70°F
30%
6mph
ENE
30% Chance Rain Showers
Humidity
100%
Feels like
70°F
Dew Point
70°F
4 AM
69°F
30%
6mph
ENE
30% Chance Rain Showers
Humidity
100%
Feels like
69°F
Dew Point
69°F
5 AM
69°F
30%
6mph
E
30% Chance of Light Rain
Humidity
100%
Feels like
69°F
Dew Point
69°F
5:52 AM
6 AM
70°F
30%
6mph
E
30% Chance Rain Showers
Humidity
97%
Feels like
70°F
Dew Point
69°F
7 AM
72°F
30%
6mph
E
30% Chance Rain Showers
Humidity
92%
Feels like
72°F
Dew Point
69°F
8 AM
74°F
30%
9mph
ENE
30% Chance of Light Rain
Humidity
86%
Feels like
74°F
Dew Point
69°F
9 AM
76°F
30%
9mph
ENE
30% Chance of Light Rain
Humidity
79%
Feels like
76°F
Dew Point
70°F
10 AM
79°F
30%
11mph
E
30% Chance Rain Showers
Humidity
75%
Feels like
79°F
Dew Point
70°F
11 AM
80°F
30%
11mph
E
30% Chance Rain Showers
Humidity
71%
Feels like
83°F
Dew Point
70°F
12 PM
81°F
30%
12mph
E
30% Chance Rain Showers
Humidity
69%
Feels like
85°F
Dew Point
70°F
1 PM
82°F
30%
12mph
E
30% Chance Rain Showers
Humidity
68%
Feels like
85°F
Dew Point
70°F
2 PM
81°F
30%
12mph
E
30% Chance Rain Showers
Humidity
67%
Feels like
85°F
Dew Point
69°F
3 PM
81°F
30%
13mph
E
30% Chance Rain Showers
Humidity
68%
Feels like
84°F
Dew Point
69°F
4 PM
79°F
30%
12mph
E
30% Chance Rain Showers
Humidity
71%
Feels like
79°F
Dew Point
69°F
5 PM
77°F
30%
11mph
ENE
30% Chance Rain Showers
Humidity
76%
Feels like
77°F
Dew Point
69°F
5:23 PM
6 PM
75°F
30%
9mph
ENE
30% Chance Rain Showers
Humidity
81%
Feels like
75°F
Dew Point
69°F
7 PM
74°F
30%
9mph
E
30% Chance Rain Showers
Humidity
86%
Feels like
74°F
Dew Point
69°F
8 PM
73°F
30%
8mph
E
30% Chance Rain Showers
Humidity
89%
Feels like
73°F
Dew Point
69°F
9 PM
72°F
40%
8mph
E
40% Chance Rain Showers
Humidity
91%
Feels like
72°F
Dew Point
70°F
10 PM
72°F
40%
7mph
ENE
40% Chance Rain Showers
Humidity
93%
Feels like
72°F
Dew Point
70°F
11 PM
71°F
50%
8mph
ENE
50% Chance Rain Showers
Humidity
94%
Feels like
71°F
Dew Point
69°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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