10-day forecast for Guánica, PR: 75° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Monday, August 10
87° · 0.14 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 77°0
Morning84°feels 89°
Afternoon90°feels 100°
Evening82°feels 86°
Overnight79°feels 80°
90 °
Guánica, Monday, 10 August
Mostly clear. High 90°, low 77°.
Pressure30.03 inHg
Wind21.2 mph SE
Humidity55%
Visibility6.2 mi
Dew point70°
Tue, 1187° / 77°0.14
Morning82°feels 85°
Afternoon87°feels 95°
Evening80°feels 85°
Overnight78°feels 79°
87 °
Guánica, Tuesday, 11 August
Light rain. High 87°, low 77°.
Pressure30.00 inHg
Wind22.7 mph SE
Humidity64%
Visibility6.2 mi
Dew point73°
Wed, 1287° / 78°0.01
Morning82°feels 87°
Afternoon87°feels 95°
Evening81°feels 87°
Overnight78°feels 80°
87 °
Guánica, Wednesday, 12 August
Light rain. High 87°, low 78°.
Pressure30.00 inHg
Wind18.6 mph SE
Humidity65%
Visibility6.2 mi
Dew point74°
Thu, 1386° / 78°0
Morning81°feels 83°
Afternoon86°feels 92°
Evening83°feels 88°
Overnight79°feels 79°
86 °
Guánica, Thursday, 13 August
Partly cloudy. High 86°, low 78°.
Pressure30.06 inHg
Wind24 mph E
Humidity64%
Visibility—
Dew point71°
Fri, 1489° / 76°0
Morning80°feels 82°
Afternoon87°feels 92°
Evening85°feels 89°
Overnight78°feels 79°
89 °
Guánica, Friday, 14 August
Clear. High 89°, low 76°.
Pressure30.09 inHg
Wind24.7 mph SE
Humidity55%
Visibility—
Dew point68°
Sat, 1589° / 76°0
Morning80°feels 82°
Afternoon89°feels 93°
Evening85°feels 89°
Overnight78°feels 79°
89 °
Guánica, Saturday, 15 August
Clear. High 89°, low 76°.
Pressure30.03 inHg
Wind25.2 mph SE
Humidity49%
Visibility—
Dew point66°
Sun, 1688° / 76°0.03
Morning80°feels 82°
Afternoon87°feels 93°
Evening83°feels 89°
Overnight77°feels 78°
88 °
Guánica, Sunday, 16 August
Light rain. High 88°, low 76°.
Pressure30.00 inHg
Wind21.9 mph SE
Humidity57%
Visibility—
Dew point69°
Mon, 1787° / 76°0.04
Morning79°feels 80°
Afternoon86°feels 89°
Evening83°feels 86°
Overnight78°feels 78°
87 °
Guánica, Monday, 17 August
Light rain. High 87°, low 76°.
Pressure29.97 inHg
Wind13.8 mph SE
Humidity51%
Visibility—
Dew point65°
Tue, 1887° / 75°0
Morning78°feels 80°
Afternoon85°feels 91°
Evening84°feels 89°
Overnight77°feels 79°
87 °
Guánica, Tuesday, 18 August
Overcast. High 87°, low 75°.
Pressure30.03 inHg
Wind18.3 mph SE
Humidity61%
Visibility—
Dew point69°
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 Guánica, 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.