10-day forecast for Arenal, PR: 74° to 91°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, November 15
90° · 0.78 in
Worst day: Wednesday, November 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1688° / 75°0.18
Morning81°feels 84°
Afternoon87°feels 97°
Evening79°feels 79°
Overnight76°feels 77°
88 °
Arenal, Monday, 16 November
Rain. High 88°, low 75°.
Pressure30.00 inHg
Wind10.3 mph SE
Humidity61%
Visibility5.2 mi
Dew point74°
Tue, 1791° / 74°0.07
Morning80°feels 85°
Afternoon90°feels 96°
Evening79°feels 80°
Overnight77°feels 78°
91 °
Arenal, Tuesday, 17 November
Light rain. High 91°, low 74°.
Pressure29.97 inHg
Wind11.4 mph E
Humidity49%
Visibility5.6 mi
Dew point70°
Wed, 1890° / 76°0.78
Morning82°feels 86°
Afternoon86°feels 94°
Evening76°feels 77°
Overnight77°feels 79°
90 °
Arenal, Wednesday, 18 November
Heavy rain. High 90°, low 76°.
Pressure29.94 inHg
Wind11.7 mph E
Humidity63%
Visibility6.2 mi
Dew point73°
Thu, 1987° / 75°0
Morning79°feels 79°
Afternoon87°feels 93°
Evening83°feels 88°
Overnight75°feels 77°
87 °
Arenal, Thursday, 19 November
Partly cloudy. High 87°, low 75°.
Pressure29.94 inHg
Wind10 mph SE
Humidity64%
Visibility6.2 mi
Dew point73°
Fri, 2086° / 75°0.09
Morning79°feels 82°
Afternoon86°feels 93°
Evening81°feels 86°
Overnight76°feels 78°
86 °
Arenal, Friday, 20 November
Light rain. High 86°, low 75°.
Pressure29.97 inHg
Wind11.1 mph SE
Humidity65%
Visibility—
Dew point72°
Sat, 2186° / 76°0.17
Morning79°feels 82°
Afternoon85°feels 93°
Evening82°feels 87°
Overnight78°feels 79°
86 °
Arenal, Saturday, 21 November
Light rain. High 86°, low 76°.
Pressure29.94 inHg
Wind15.5 mph SE
Humidity68%
Visibility—
Dew point73°
Sun, 2286° / 78°0.11
Morning80°feels 83°
Afternoon85°feels 92°
Evening83°feels 88°
Overnight78°feels 80°
86 °
Arenal, Sunday, 22 November
Light rain. High 86°, low 78°.
Pressure29.94 inHg
Wind15.4 mph SE
Humidity65%
Visibility—
Dew point71°
Mon, 2385° / 78°0.09
Morning80°feels 83°
Afternoon84°feels 92°
Evening82°feels 87°
Overnight79°feels 79°
85 °
Arenal, Monday, 23 November
Light rain. High 85°, low 78°.
Pressure29.94 inHg
Wind13 mph SE
Humidity70%
Visibility—
Dew point73°
Tue, 2485° / 78°0.03
Morning80°feels 83°
Afternoon85°feels 92°
Evening82°feels 88°
Overnight78°feels 80°
85 °
Arenal, Tuesday, 24 November
Light rain. High 85°, low 78°.
Pressure29.97 inHg
Wind12.9 mph SE
Humidity67%
Visibility—
Dew point72°
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 Arenal, 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.