Hourly Weather Forecast - San Mateo, Alajuela, CR

12 AM
68°F
0%
2mph
E
Hazy
Humidity
97%
Feels like
68°F
Dew Point
67°F
1 AM
68°F
0%
2mph
E
Hazy
Humidity
96%
Feels like
68°F
Dew Point
67°F
2 AM
68°F
0%
3mph
E
Hazy
Humidity
95%
Feels like
68°F
Dew Point
66°F
3 AM
68°F
0%
3mph
ENE
Hazy
Humidity
94%
Feels like
68°F
Dew Point
66°F
4 AM
67°F
0%
3mph
ENE
Hazy
Humidity
93%
Feels like
67°F
Dew Point
65°F
5 AM
67°F
0%
3mph
ENE
Hazy
Humidity
92%
Feels like
67°F
Dew Point
65°F
5:49 AM
6 AM
67°F
0%
3mph
ENE
Hazy
Humidity
92%
Feels like
67°F
Dew Point
65°F
7 AM
70°F
0%
2mph
E
Sunny
Humidity
89%
Feels like
70°F
Dew Point
67°F
8 AM
73°F
0%
2mph
S
Sunny
Humidity
87%
Feels like
73°F
Dew Point
69°F
9 AM
76°F
0%
3mph
SW
Sunny
Humidity
83%
Feels like
76°F
Dew Point
71°F
10 AM
78°F
0%
5mph
SW
Mostly Sunny
Humidity
81%
Feels like
78°F
Dew Point
72°F
11 AM
79°F
0%
5mph
SW
Partly Cloudy
Humidity
79%
Feels like
79°F
Dew Point
72°F
12 PM
80°F
20%
6mph
SW
Partly Cloudy
Humidity
76%
Feels like
84°F
Dew Point
72°F
1 PM
80°F
30%
6mph
SW
30% Chance Rain Showers
Humidity
78%
Feels like
80°F
Dew Point
72°F
2 PM
79°F
40%
6mph
SSW
40% Chance Rain Showers
Humidity
80%
Feels like
79°F
Dew Point
72°F
3 PM
78°F
40%
5mph
SSW
40% Chance Rain Showers
Humidity
83%
Feels like
78°F
Dew Point
72°F
4 PM
76°F
40%
4mph
SSW
40% Chance Rain Showers
Humidity
87%
Feels like
76°F
Dew Point
72°F
5 PM
74°F
20%
3mph
SSW
Partly Cloudy
Humidity
93%
Feels like
74°F
Dew Point
72°F
5:22 PM
6 PM
72°F
10%
2mph
SSW
Foggy
Humidity
100%
Feels like
72°F
Dew Point
72°F
7 PM
70°F
10%
0mph
SSE
Foggy
Humidity
100%
Feels like
70°F
Dew Point
70°F
8 PM
69°F
10%
1mph
E
Foggy
Humidity
100%
Feels like
69°F
Dew Point
69°F
9 PM
69°F
10%
2mph
ENE
Foggy
Humidity
100%
Feels like
69°F
Dew Point
69°F
10 PM
68°F
0%
2mph
ENE
Foggy
Humidity
100%
Feels like
68°F
Dew Point
68°F
11 PM
68°F
0%
2mph
ENE
Foggy
Humidity
100%
Feels like
68°F
Dew Point
68°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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