Hourly Weather Forecast - San Mateo, Alajuela, CR

12 AM
67°F
20%
1mph
E
Foggy
Humidity
100%
Feels like
67°F
Dew Point
67°F
1 AM
67°F
20%
1mph
ENE
Foggy
Humidity
100%
Feels like
67°F
Dew Point
67°F
2 AM
67°F
10%
2mph
ENE
Foggy
Humidity
100%
Feels like
67°F
Dew Point
67°F
3 AM
66°F
10%
2mph
ENE
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
4 AM
66°F
10%
2mph
ENE
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
5 AM
66°F
10%
2mph
ENE
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
5:47 AM
6 AM
67°F
20%
3mph
ENE
Foggy
Humidity
100%
Feels like
67°F
Dew Point
67°F
7 AM
69°F
20%
2mph
E
Foggy
Humidity
100%
Feels like
69°F
Dew Point
69°F
8 AM
72°F
20%
1mph
SSE
Hazy
Humidity
95%
Feels like
72°F
Dew Point
71°F
9 AM
75°F
20%
3mph
SSW
Mostly Sunny
Humidity
90%
Feels like
75°F
Dew Point
72°F
10 AM
76°F
20%
4mph
SW
Mostly Sunny
Humidity
87%
Feels like
76°F
Dew Point
72°F
11 AM
77°F
20%
5mph
SW
Partly Cloudy
Humidity
85%
Feels like
77°F
Dew Point
72°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

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

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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