San Sebastian, PR Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Mostly Cloudy 73°F
Feels Like 73°F  
Humidity 91% Dew Point 70°F Wind SSE 4 MPH Gusts 21 Barometer N/A
Solar Rad 47 w/m2
Report from a MADIS/MESONET weather station 0.7 mi. NE of central San Sebastian
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Point Forecast at a Glance

TueDec 16
Tue Dec 16: Thunderstorms, High 78F, Low 67F
70%
78
67
WedDec 17
Wed Dec 17: Showers Likely, High 89F, Low 67F
60%
89
67
ThuDec 18
Thu Dec 18: Showers, High 88F, Low 69F
30%
88
69
FriDec 19
Fri Dec 19: Showers, High 89F, Low 68F
30%
89
68
SatDec 20
Sat Dec 20: Sunny, High 88F, Low 70F
88
70
SunDec 21
Sun Dec 21: Sunny, High 88F, Low 69F
88
69
MonDec 22
Mon Dec 22: Sunny, High 89F, Low 68F
89
68

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7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 78°F to 89°F. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 84°F with lows around 66°F.

This Date in Weather History

1811 - An estimated Magnitude 7.5 earthquake struck the Mississippi Valley near the town of New Madrid in Missouri at 2:15 am local time. People were awakened by the shaking in New York City, Washington D.C., and Charleston, South Carolina. The ground motions were described as most alarming and frightening in places like Nashville, Tennessee, and Louisville, Kentucky. In the epicentral area, the ground surface was described as in great convulsion with sand and water ejected tens of feet into the air.

More on this and other weather history

San Sebastian, PR 7 Day Weather Forecast Details

Tuesday Dec 16

Thunderstorms

Day: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 78. East northeast wind around 6 mph. Chance of precipitation is 70%.

Showers

Night: Isolated showers before midnight. Mostly clear, with a low around 67. East wind around 6 mph. Chance of precipitation is 10%.

Wednesday Dec 17

Showers Likely

Day: Showers likely, mainly after 3pm. Increasing clouds, with a high near 89. East wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

Showers

Night: Isolated showers before midnight. Mostly clear, with a low around 67. East wind around 6 mph. Chance of precipitation is 10%.

Thursday Dec 18

Showers

Day: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East northeast wind 8 to 10 mph. Chance of precipitation is 30%.

Showers

Night: Isolated showers before midnight. Mostly clear, with a low around 69. East wind 8 to 13 mph. Chance of precipitation is 10%.

Friday Dec 19

Showers

Day: Scattered showers after noon. Mostly sunny, with a high near 89. East northeast wind 7 to 10 mph. Chance of precipitation is 30%.

Clear

Night: Clear, with a low around 68. East wind 7 to 10 mph.

Saturday Dec 20

Sunny

Day: Sunny, with a high near 88. East northeast wind 9 to 13 mph.

Clear

Night: Clear, with a low around 70.

Sunday Dec 21

Sunny

Day: Sunny, with a high near 88.

Clear

Night: Clear, with a low around 69.

Monday Dec 22

Sunny

Day: Sunny, with a high near 89.

Mostly Clear

Night: Mostly clear, with a low around 68.

Tuesday Dec 23

Showers

Day: Scattered showers. Mostly sunny, with a high near 87.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.