Hourly Weather Forecast - San Mateo, Alajuela, CR

12 AM
68°F
10%
1mph
ENE
Foggy
Humidity
100%
Feels like
68°F
Dew Point
68°F
1 AM
68°F
10%
1mph
ENE
Foggy
Humidity
100%
Feels like
68°F
Dew Point
68°F
2 AM
67°F
10%
1mph
ENE
Foggy
Humidity
100%
Feels like
67°F
Dew Point
67°F
3 AM
67°F
10%
2mph
ENE
Foggy
Humidity
100%
Feels like
67°F
Dew Point
67°F
4 AM
66°F
0%
2mph
ENE
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
5 AM
66°F
0%
2mph
ENE
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
5:48 AM
6 AM
66°F
0%
2mph
ENE
Foggy
Humidity
100%
Feels like
66°F
Dew Point
66°F
7 AM
69°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
69°F
Dew Point
69°F
8 AM
72°F
0%
1mph
SE
Partly Cloudy
Humidity
97%
Feels like
72°F
Dew Point
71°F
9 AM
75°F
0%
2mph
WSW
Partly Cloudy
Humidity
90%
Feels like
75°F
Dew Point
71°F
10 AM
76°F
0%
4mph
SW
Partly Cloudy
Humidity
86%
Feels like
76°F
Dew Point
72°F
11 AM
77°F
10%
5mph
SW
Partly Cloudy
Humidity
84%
Feels like
77°F
Dew Point
71°F
12 PM
77°F
30%
5mph
SW
30% Chance Rain Showers
Humidity
82%
Feels like
77°F
Dew Point
71°F
1 PM
76°F
30%
5mph
SW
30% Chance Rain Showers
Humidity
84%
Feels like
76°F
Dew Point
71°F
2 PM
76°F
30%
6mph
SW
30% Chance Rain Showers
Humidity
87%
Feels like
76°F
Dew Point
71°F
3 PM
75°F
30%
5mph
SW
30% Chance Rain Showers
Humidity
90%
Feels like
75°F
Dew Point
72°F
4 PM
73°F
40%
4mph
SW
40% Chance Rain Showers
Humidity
94%
Feels like
73°F
Dew Point
72°F
5 PM
72°F
40%
3mph
SW
40% Chance Rain Showers
Humidity
99%
Feels like
72°F
Dew Point
72°F
5:21 PM
6 PM
71°F
20%
2mph
SSW
Foggy
Humidity
100%
Feels like
71°F
Dew Point
71°F
7 PM
70°F
20%
1mph
S
Foggy
Humidity
100%
Feels like
70°F
Dew Point
70°F
8 PM
70°F
10%
0mph
SSE
Foggy
Humidity
100%
Feels like
70°F
Dew Point
70°F
9 PM
69°F
10%
0mph
E
Foggy
Humidity
100%
Feels like
69°F
Dew Point
69°F
10 PM
69°F
0%
0mph
ENE
Foggy
Humidity
100%
Feels like
69°F
Dew Point
69°F
11 PM
68°F
0%
1mph
ENE
Foggy
Humidity
100%
Feels like
68°F
Dew Point
68°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide