10-day forecast for Guayanilla, PR: 67° to 89°, with precipitation expected on 9 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Wednesday, October 21
80° · 0.8 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1689° / 68°0.19
Morning79°feels 79°
Afternoon89°feels 101°
Evening77°feels 79°
Overnight76°feels 77°
89 °
Guayanilla, Friday, 16 October
Rain. High 89°, low 68°.
Pressure29.94 inHg
Wind7.4 mph SE
Humidity60%
Visibility4.0 mi
Dew point71°
Sat, 1783° / 67°0.22
Morning76°feels 77°
Afternoon82°feels 88°
Evening73°feels 74°
Overnight68°feels 69°
83 °
Guayanilla, Saturday, 17 October
Rain. High 83°, low 67°.
Pressure29.97 inHg
Wind5.8 mph SE
Humidity76%
Visibility5.5 mi
Dew point73°
Sun, 1884° / 69°0.16
Morning77°feels 78°
Afternoon78°feels 80°
Evening72°feels 74°
Overnight70°feels 71°
84 °
Guayanilla, Sunday, 18 October
Rain. High 84°, low 69°.
Pressure29.97 inHg
Wind6 mph SE
Humidity62%
Visibility4.8 mi
Dew point71°
Mon, 1983° / 69°0.19
Morning73°feels 74°
Afternoon82°feels 86°
Evening77°feels 78°
Overnight70°feels 71°
83 °
Guayanilla, Monday, 19 October
Rain. High 83°, low 69°.
Pressure29.97 inHg
Wind5.4 mph SE
Humidity66%
Visibility—
Dew point69°
Tue, 2082° / 67°0.14
Morning71°feels 73°
Afternoon82°feels 85°
Evening78°feels 79°
Overnight72°feels 73°
82 °
Guayanilla, Tuesday, 20 October
Light rain. High 82°, low 67°.
Pressure29.91 inHg
Wind7.7 mph SE
Humidity65%
Visibility—
Dew point67°
Wed, 2187° / 73°0
Morning77°feels 80°
Afternoon86°feels 91°
Evening81°feels 85°
Overnight75°feels 76°
87 °
Guayanilla, Wednesday, 21 October
Light rain. High 87°, low 73°.
Pressure29.91 inHg
Wind10.2 mph SE
Humidity58%
Visibility—
Dew point68°
Thu, 2287° / 74°0.11
Morning78°feels 81°
Afternoon86°feels 92°
Evening81°feels 87°
Overnight76°feels 78°
87 °
Guayanilla, Thursday, 22 October
Light rain. High 87°, low 74°.
Pressure29.91 inHg
Wind11.7 mph SE
Humidity62%
Visibility—
Dew point71°
Fri, 2382° / 77°0.52
Morning78°feels 82°
Afternoon81°feels 87°
Evening78°feels 79°
Overnight79°feels 79°
82 °
Guayanilla, Friday, 23 October
Rain. High 82°, low 77°.
Pressure29.94 inHg
Wind13.1 mph SE
Humidity80%
Visibility—
Dew point74°
Sat, 2480° / 77°0.8
Morning78°feels 80°
Afternoon79°feels 80°
Evening77°feels 79°
Overnight77°feels 79°
80 °
Guayanilla, Saturday, 24 October
Rain. High 80°, low 77°.
Pressure29.91 inHg
Wind14.5 mph SE
Humidity88%
Visibility—
Dew point76°
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.