10-day forecast for San Fernando, PR: 76° to 93°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Tuesday, August 11
89° · 0.04 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 80°0
Morning83°feels 88°
Afternoon91°feels 95°
Evening85°feels 98°
Overnight82°feels 90°
91 °
San Fernando, Monday, 10 August
Overcast. High 91°, low 80°.
Pressure30.06 inHg
Wind15.4 mph E
Humidity52%
Visibility6.2 mi
Dew point69°
Tue, 1192° / 78°0
Morning82°feels 87°
Afternoon90°feels 97°
Evening79°feels 79°
Overnight80°feels 80°
92 °
San Fernando, Tuesday, 11 August
Overcast. High 92°, low 78°.
Pressure30.03 inHg
Wind14.4 mph E
Humidity55%
Visibility6.2 mi
Dew point70°
Wed, 1291° / 77°0.01
Morning82°feels 88°
Afternoon91°feels 98°
Evening80°feels 80°
Overnight78°feels 79°
91 °
San Fernando, Wednesday, 12 August
Light rain. High 91°, low 77°.
Pressure30.03 inHg
Wind13.9 mph E
Humidity59%
Visibility6.2 mi
Dew point71°
Thu, 1390° / 78°0.01
Morning82°feels 86°
Afternoon90°feels 95°
Evening79°feels 79°
Overnight78°feels 80°
90 °
San Fernando, Thursday, 13 August
Light rain. High 90°, low 78°.
Pressure30.03 inHg
Wind18 mph E
Humidity54%
Visibility6.2 mi
Dew point70°
Fri, 1489° / 79°0.03
Morning81°feels 84°
Afternoon87°feels 93°
Evening84°feels 89°
Overnight79°feels 79°
89 °
San Fernando, Friday, 14 August
Light rain. High 89°, low 79°.
Pressure30.12 inHg
Wind19.1 mph E
Humidity56%
Visibility—
Dew point69°
Sat, 1590° / 78°0
Morning81°feels 84°
Afternoon88°feels 93°
Evening85°feels 90°
Overnight78°feels 79°
90 °
San Fernando, Saturday, 15 August
Light rain. High 90°, low 78°.
Pressure30.09 inHg
Wind19.4 mph E
Humidity54%
Visibility—
Dew point69°
Sun, 1690° / 78°0.03
Morning81°feels 84°
Afternoon89°feels 95°
Evening85°feels 91°
Overnight78°feels 80°
90 °
San Fernando, Sunday, 16 August
Light rain. High 90°, low 78°.
Pressure30.03 inHg
Wind14.9 mph E
Humidity57%
Visibility—
Dew point70°
Mon, 1789° / 78°0.04
Morning82°feels 83°
Afternoon88°feels 93°
Evening84°feels 88°
Overnight79°feels 79°
89 °
San Fernando, Monday, 17 August
Light rain. High 89°, low 78°.
Pressure29.97 inHg
Wind14.4 mph NE
Humidity56%
Visibility—
Dew point69°
Tue, 1893° / 76°0.02
Morning81°feels 83°
Afternoon91°feels 96°
Evening88°feels 93°
Overnight78°feels 80°
93 °
San Fernando, Tuesday, 18 August
Light rain. High 93°, low 76°.
Pressure30.00 inHg
Wind9.9 mph SE
Humidity50%
Visibility—
Dew point68°
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 Fernando, 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.