10-day forecast for San Sebastián, PR: 73° to 96°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Friday, August 14
92° · 0.26 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 76°0
Morning83°feels 89°
Afternoon89°feels 91°
Evening81°feels 86°
Overnight78°feels 79°
91 °
San Sebastián, Monday, 10 August
Overcast. High 91°, low 76°.
Pressure30.03 inHg
Wind9.8 mph NE
Humidity42%
Visibility6.2 mi
Dew point67°
Tue, 1192° / 74°0.26
Morning81°feels 86°
Afternoon85°feels 93°
Evening77°feels 79°
Overnight78°feels 79°
92 °
San Sebastián, Tuesday, 11 August
Rain. High 92°, low 74°.
Pressure30.03 inHg
Wind4.7 mph NE
Humidity50%
Visibility6.2 mi
Dew point69°
Wed, 1293° / 74°0.16
Morning80°feels 84°
Afternoon90°feels 98°
Evening78°feels 79°
Overnight74°feels 75°
93 °
San Sebastián, Wednesday, 12 August
Light rain. High 93°, low 74°.
Pressure30.00 inHg
Wind4.2 mph E
Humidity45%
Visibility6.2 mi
Dew point67°
Thu, 1394° / 74°0
Morning80°feels 80°
Afternoon91°feels 94°
Evening87°feels 91°
Overnight75°feels 76°
94 °
San Sebastián, Thursday, 13 August
Overcast. High 94°, low 74°.
Pressure30.03 inHg
Wind6.6 mph E
Humidity39%
Visibility6.2 mi
Dew point64°
Fri, 1496° / 73°0
Morning79°feels 81°
Afternoon91°feels 95°
Evening88°feels 91°
Overnight76°feels 77°
96 °
San Sebastián, Friday, 14 August
Partly cloudy. High 96°, low 73°.
Pressure30.09 inHg
Wind16 mph E
Humidity46%
Visibility—
Dew point65°
Sat, 1595° / 75°0
Morning80°feels 83°
Afternoon90°feels 96°
Evening87°feels 91°
Overnight75°feels 76°
95 °
San Sebastián, Saturday, 15 August
Clear. High 95°, low 75°.
Pressure30.06 inHg
Wind17.2 mph NE
Humidity51%
Visibility—
Dew point68°
Sun, 1693° / 74°0
Morning79°feels 81°
Afternoon92°feels 96°
Evening86°feels 91°
Overnight76°feels 77°
93 °
San Sebastián, Sunday, 16 August
Partly cloudy. High 93°, low 74°.
Pressure30.03 inHg
Wind12.6 mph NE
Humidity43%
Visibility—
Dew point64°
Mon, 1793° / 73°0.01
Morning79°feels 81°
Afternoon91°feels 97°
Evening84°feels 87°
Overnight75°feels 76°
93 °
San Sebastián, Monday, 17 August
Light rain. High 93°, low 73°.
Pressure29.97 inHg
Wind11.8 mph NE
Humidity50%
Visibility—
Dew point68°
Tue, 1893° / 77°0.2
Morning82°feels 85°
Afternoon92°feels 100°
Evening83°feels 90°
Overnight77°feels 78°
93 °
San Sebastián, Tuesday, 18 August
Light rain. High 93°, low 77°.
Pressure29.97 inHg
Wind9.8 mph NE
Humidity50%
Visibility—
Dew point70°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in San Sebastián, PR around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.