Hourly Weather Forecast - San Isidro, Alajuela, CR

12 AM
63°F
20%
4mph
ENE
Partly Cloudy
Humidity
77%
Feels like
63°F
Dew Point
56°F
1 AM
63°F
20%
4mph
ENE
Partly Cloudy
Humidity
77%
Feels like
63°F
Dew Point
56°F
2 AM
63°F
20%
4mph
ENE
Partly Cloudy
Humidity
77%
Feels like
63°F
Dew Point
55°F
3 AM
62°F
20%
4mph
ENE
Partly Cloudy
Humidity
78%
Feels like
62°F
Dew Point
55°F
4 AM
63°F
20%
4mph
ENE
Partly Cloudy
Humidity
78%
Feels like
63°F
Dew Point
56°F
5 AM
64°F
20%
5mph
ENE
Mostly Clear
Humidity
77%
Feels like
64°F
Dew Point
56°F
5:49 AM
6 AM
66°F
10%
5mph
ENE
Mostly Sunny
Humidity
73%
Feels like
66°F
Dew Point
57°F
7 AM
69°F
20%
6mph
ENE
Mostly Sunny
Humidity
68%
Feels like
69°F
Dew Point
58°F
8 AM
71°F
20%
7mph
NE
Mostly Sunny
Humidity
64%
Feels like
71°F
Dew Point
58°F
9 AM
73°F
10%
9mph
NE
Mostly Sunny
Humidity
62%
Feels like
73°F
Dew Point
59°F
10 AM
74°F
10%
9mph
NE
Mostly Sunny
Humidity
61%
Feels like
74°F
Dew Point
60°F
11 AM
74°F
10%
10mph
NE
Mostly Sunny
Humidity
61%
Feels like
74°F
Dew Point
60°F
12 PM
74°F
10%
10mph
NE
Mostly Sunny
Humidity
60%
Feels like
74°F
Dew Point
60°F
1 PM
74°F
10%
11mph
NE
Mostly Sunny
Humidity
60%
Feels like
74°F
Dew Point
60°F
2 PM
74°F
10%
11mph
NE
Partly Cloudy
Humidity
61%
Feels like
74°F
Dew Point
60°F
3 PM
72°F
10%
10mph
NE
Partly Cloudy
Humidity
64%
Feels like
72°F
Dew Point
59°F
4 PM
70°F
20%
9mph
NE
Partly Cloudy
Humidity
68%
Feels like
70°F
Dew Point
59°F
5 PM
68°F
20%
8mph
NE
Partly Cloudy
Humidity
72%
Feels like
68°F
Dew Point
59°F
5:21 PM
6 PM
66°F
10%
6mph
NE
Partly Cloudy
Humidity
75%
Feels like
66°F
Dew Point
58°F
7 PM
65°F
10%
6mph
NE
Mostly Clear
Humidity
76%
Feels like
65°F
Dew Point
58°F
8 PM
65°F
10%
5mph
NE
Mostly Clear
Humidity
77%
Feels like
65°F
Dew Point
57°F
9 PM
64°F
10%
4mph
ENE
Mostly Clear
Humidity
77%
Feels like
64°F
Dew Point
57°F
10 PM
64°F
10%
4mph
ENE
Mostly Clear
Humidity
77%
Feels like
64°F
Dew Point
56°F
11 PM
63°F
0%
4mph
ENE
Mostly Clear
Humidity
77%
Feels like
63°F
Dew Point
56°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's 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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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