10-day forecast for Río Grande, PR: 78° to 92°, with precipitation expected on 8 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Monday, August 10
87° · 0.26 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1092° / 80°0.01
Morning87°feels 100°
Afternoon92°feels 104°
Evening85°feels 97°
Overnight80°feels 80°
92 °
Río Grande, Monday, 10 August
Light rain. High 92°, low 80°.
Pressure30.06 inHg
Wind14.6 mph E
Humidity59%
Visibility6.2 mi
Dew point71°
Tue, 1186° / 78°0.06
Morning82°feels 88°
Afternoon86°feels 93°
Evening80°feels 80°
Overnight80°feels 80°
86 °
Río Grande, Tuesday, 11 August
Light rain. High 86°, low 78°.
Pressure30.06 inHg
Wind13.5 mph E
Humidity66%
Visibility6.2 mi
Dew point73°
Wed, 1287° / 78°0.12
Morning82°feels 88°
Afternoon87°feels 96°
Evening80°feels 80°
Overnight78°feels 80°
87 °
Río Grande, Wednesday, 12 August
Light rain. High 87°, low 78°.
Pressure30.03 inHg
Wind15.6 mph SE
Humidity65%
Visibility6.2 mi
Dew point73°
Thu, 1386° / 79°0.04
Morning81°feels 86°
Afternoon86°feels 92°
Evening83°feels 88°
Overnight80°feels 80°
86 °
Río Grande, Thursday, 13 August
Light rain. High 86°, low 79°.
Pressure30.06 inHg
Wind19.3 mph E
Humidity63%
Visibility—
Dew point71°
Fri, 1487° / 79°0.07
Morning81°feels 83°
Afternoon85°feels 92°
Evening83°feels 88°
Overnight80°feels 80°
87 °
Río Grande, Friday, 14 August
Light rain. High 87°, low 79°.
Pressure30.15 inHg
Wind19.7 mph E
Humidity64%
Visibility—
Dew point71°
Sat, 1586° / 79°0.11
Morning81°feels 84°
Afternoon85°feels 92°
Evening83°feels 89°
Overnight79°feels 80°
86 °
Río Grande, Saturday, 15 August
Light rain. High 86°, low 79°.
Pressure30.09 inHg
Wind19 mph E
Humidity68%
Visibility—
Dew point73°
Sun, 1687° / 79°0.02
Morning82°feels 87°
Afternoon87°feels 92°
Evening84°feels 89°
Overnight80°feels 85°
87 °
Río Grande, Sunday, 16 August
Light rain. High 87°, low 79°.
Pressure30.03 inHg
Wind14.9 mph E
Humidity60%
Visibility—
Dew point71°
Mon, 1787° / 78°0.07
Morning80°feels 83°
Afternoon86°feels 91°
Evening83°feels 89°
Overnight79°feels 80°
87 °
Río Grande, Monday, 17 August
Light rain. High 87°, low 78°.
Pressure30.00 inHg
Wind12.8 mph E
Humidity58%
Visibility—
Dew point69°
Tue, 1887° / 78°0.26
Morning81°feels 85°
Afternoon86°feels 96°
Evening84°feels 92°
Overnight80°feels 80°
87 °
Río Grande, Tuesday, 18 August
Light rain. High 87°, low 78°.
Pressure30.00 inHg
Wind9.5 mph E
Humidity71%
Visibility—
Dew point75°
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 Río Grande, 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.