Hourly Weather Forecast - San Martín, San Juan, PR

2 AM
73°F
30%
4mph
ESE
30% Chance Rain Showers
Humidity
89%
Feels like
73°F
Dew Point
70°F
3 AM
74°F
40%
4mph
ESE
40% Chance Rain Showers
Humidity
88%
Feels like
74°F
Dew Point
70°F
4 AM
74°F
40%
4mph
ESE
40% Chance Rain Showers
Humidity
87%
Feels like
74°F
Dew Point
70°F
5 AM
74°F
40%
5mph
SE
40% Chance Rain Showers
Humidity
88%
Feels like
74°F
Dew Point
70°F
6 AM
74°F
40%
5mph
SE
40% Chance Rain Showers
Humidity
88%
Feels like
74°F
Dew Point
70°F
6:49 AM
7 AM
75°F
40%
5mph
SE
40% Chance Rain Showers
Humidity
87%
Feels like
75°F
Dew Point
71°F
8 AM
77°F
30%
6mph
ESE
30% Chance Rain Showers
Humidity
84%
Feels like
77°F
Dew Point
72°F
9 AM
79°F
30%
8mph
ESE
30% Chance Rain Showers
Humidity
81%
Feels like
79°F
Dew Point
72°F
10 AM
80°F
30%
10mph
ESE
30% Chance Rain Showers
Humidity
79%
Feels like
80°F
Dew Point
73°F
11 AM
80°F
30%
11mph
E
30% Chance Rain Showers
Humidity
78%
Feels like
85°F
Dew Point
73°F
12 PM
81°F
30%
11mph
ESE
30% Chance Rain Showers
Humidity
76%
Feels like
85°F
Dew Point
72°F
1 PM
80°F
30%
11mph
SE
30% Chance Rain Showers
Humidity
75%
Feels like
84°F
Dew Point
72°F
2 PM
80°F
30%
11mph
ESE
30% Chance Rain Showers
Humidity
75%
Feels like
84°F
Dew Point
71°F
3 PM
79°F
30%
11mph
ESE
30% Chance Rain Showers
Humidity
75%
Feels like
79°F
Dew Point
71°F
4 PM
78°F
0%
10mph
ESE
Partly Cloudy
Humidity
76%
Feels like
78°F
Dew Point
70°F
5 PM
77°F
0%
9mph
ESE
Partly Cloudy
Humidity
79%
Feels like
77°F
Dew Point
70°F
5:51 PM
6 PM
76°F
0%
8mph
ESE
Partly Cloudy
Humidity
81%
Feels like
76°F
Dew Point
69°F
7 PM
74°F
0%
7mph
ESE
Partly Cloudy
Humidity
83%
Feels like
74°F
Dew Point
69°F
8 PM
74°F
0%
6mph
ESE
Partly Cloudy
Humidity
84%
Feels like
74°F
Dew Point
69°F
9 PM
74°F
0%
6mph
ESE
Partly Cloudy
Humidity
85%
Feels like
74°F
Dew Point
69°F
10 PM
73°F
0%
6mph
ESE
Partly Cloudy
Humidity
85%
Feels like
73°F
Dew Point
69°F
11 PM
73°F
0%
5mph
SE
Partly Cloudy
Humidity
86%
Feels like
73°F
Dew Point
69°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

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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