10-day forecast for Guayanilla, PR: 73° to 92°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Saturday, August 15
89° · 0.15 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 75°0
Morning83°feels 87°
Afternoon90°feels 98°
Evening80°feels 80°
Overnight76°feels 78°
91 °
Guayanilla, Sunday, 9 August
Mostly clear. High 91°, low 75°.
Pressure30.00 inHg
Wind15.4 mph SE
Humidity50%
Visibility6.2 mi
Dew point70°
Mon, 1090° / 76°0
Morning85°feels 91°
Afternoon90°feels 96°
Evening81°feels 84°
Overnight78°feels 80°
90 °
Guayanilla, Monday, 10 August
Clear. High 90°, low 76°.
Pressure30.06 inHg
Wind16.3 mph SE
Humidity53%
Visibility6.2 mi
Dew point70°
Tue, 1189° / 75°0.15
Morning82°feels 86°
Afternoon87°feels 94°
Evening79°feels 79°
Overnight76°feels 77°
89 °
Guayanilla, Tuesday, 11 August
Rain. High 89°, low 75°.
Pressure30.03 inHg
Wind15.3 mph SE
Humidity55%
Visibility6.2 mi
Dew point70°
Wed, 1288° / 74°0
Morning81°feels 85°
Afternoon88°feels 95°
Evening84°feels 89°
Overnight75°feels 77°
88 °
Guayanilla, Wednesday, 12 August
Light rain. High 88°, low 74°.
Pressure30.03 inHg
Wind13.5 mph SE
Humidity60%
Visibility6.2 mi
Dew point72°
Thu, 1388° / 75°0
Morning80°feels 82°
Afternoon87°feels 93°
Evening83°feels 88°
Overnight75°feels 76°
88 °
Guayanilla, Thursday, 13 August
Overcast. High 88°, low 75°.
Pressure30.06 inHg
Wind17.3 mph SE
Humidity61%
Visibility—
Dew point71°
Fri, 1491° / 74°0
Morning78°feels 80°
Afternoon89°feels 92°
Evening86°feels 89°
Overnight75°feels 76°
91 °
Guayanilla, Friday, 14 August
Overcast. High 91°, low 74°.
Pressure30.09 inHg
Wind18.6 mph SE
Humidity46%
Visibility—
Dew point64°
Sat, 1592° / 73°0
Morning78°feels 80°
Afternoon90°feels 92°
Evening87°feels 89°
Overnight76°feels 77°
92 °
Guayanilla, Saturday, 15 August
Clear. High 92°, low 73°.
Pressure30.06 inHg
Wind18.4 mph SE
Humidity43%
Visibility—
Dew point63°
Sun, 1691° / 74°0
Morning79°feels 81°
Afternoon90°feels 94°
Evening86°feels 90°
Overnight76°feels 77°
91 °
Guayanilla, Sunday, 16 August
Mostly clear. High 91°, low 74°.
Pressure30.03 inHg
Wind17 mph SE
Humidity47%
Visibility—
Dew point65°
Mon, 1792° / 75°0.14
Morning80°feels 81°
Afternoon91°feels 94°
Evening83°feels 89°
Overnight76°feels 77°
92 °
Guayanilla, Monday, 17 August
Light rain. High 92°, low 75°.
Pressure30.00 inHg
Wind14 mph SE
Humidity44%
Visibility—
Dew point64°
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 Guayanilla, 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.