Hourly Weather Forecast - San Martín, San Juan, PR

4 PM
78°F
50%
8mph
E
50% Chance Rain Showers
Humidity
87%
Feels like
78°F
Dew Point
74°F
5 PM
77°F
50%
7mph
ESE
50% Chance Rain Showers
Humidity
90%
Feels like
77°F
Dew Point
73°F
5:50 PM
6 PM
76°F
40%
7mph
ESE
40% Chance Rain Showers
Humidity
92%
Feels like
76°F
Dew Point
73°F
7 PM
75°F
30%
6mph
ESE
30% Chance Rain Showers
Humidity
93%
Feels like
75°F
Dew Point
73°F
8 PM
74°F
20%
5mph
ESE
Partly Cloudy
Humidity
93%
Feels like
74°F
Dew Point
72°F
9 PM
74°F
20%
5mph
E
Partly Cloudy
Humidity
93%
Feels like
74°F
Dew Point
72°F
10 PM
74°F
20%
5mph
ESE
Partly Cloudy
Humidity
92%
Feels like
74°F
Dew Point
72°F
11 PM
74°F
10%
5mph
SE
Partly Cloudy
Humidity
93%
Feels like
74°F
Dew Point
71°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.

Tuesday'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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