As of 00:58 AST

San Isidro, PR weather in August

82°

San Isidro, Sunday, 9 August, 00:58

Clear. Feels like 88°. High 92°, low 78°.

Pressure30.00 inHg

Wind1 mph NE

Humidity75%

Visibility6.2 mi

Dew point73°

See detailed hourly forecast

In August, San Isidro, PR averages a high of 86.9° and a low of 76.9°. About 4.9 inches of precipitation fall over the month (24 wet days). The record high is 93.2° (1995) and the record low 72.5° (2022). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.9°	76.8°	78%	91.4° (2023)	73.9° (1984)
2	86.7°	76.5°	75%	91.4° (2002)	74.3° (1974)
3	86.9°	76.8°	65%	90.1° (1998)	73.8° (1976)
4	86.9°	77°	83%	90.1° (1991)	73.9° (1986)
5	86.7°	77°	73%	91° (1998)	73.9° (1974)
6	86.7°	77°	70%	89.6° (1995)	74.3° (1973)
7	86.7°	76.8°	75%	89.8° (2018)	74.7° (1989)
8	86.9°	77°	73%	90° (2023)	74.8° (1965)
9	86.9°	77°	80%	90.3° (2015)	74.3° (1963)
10	86.7°	76.8°	78%	89.8° (2015)	74.3° (2025)
11	87.1°	76.8°	65%	90.1° (2023)	74.8° (1967)
12	87.3°	77.4°	68%	90° (1995)	75° (2017)
13	86.9°	77°	77%	91° (1995)	73.9° (1976)
14	86.9°	76.6°	83%	93.2° (1995)	73.8° (1972)
15	86.7°	76.8°	83%	91° (2024)	74.7° (1971)
16	86.5°	76.8°	83%	90.7° (2024)	74.5° (1978)
17	86.4°	76.6°	78%	89.2° (2020)	72.7° (2022)
18	86.9°	76.6°	78%	91.4° (2024)	74.8° (1965)
19	86.9°	77°	78%	90.9° (2025)	74.3° (1969)
20	87.1°	77.2°	82%	91.8° (2025)	73.2° (1969)
21	87.1°	76.8°	78%	90.5° (1994)	73.4° (2022)
22	86.4°	76.8°	80%	90.7° (2015)	74.1° (1991)
23	86.9°	76.8°	80%	91.2° (2023)	72.5° (2022)
24	86.7°	76.8°	75%	93.2° (2023)	73.9° (1963)
25	87.1°	76.8°	78%	90.9° (1976)	73.2° (1972)
26	87.1°	77°	80%	90.5° (1994)	74.3° (1972)
27	87.1°	77°	78%	91.2° (2023)	74.5° (1961)
28	86.9°	76.8°	92%	92.7° (2023)	74.5° (1983)
29	87.3°	76.8°	72%	91.8° (2023)	74.5° (1978)
30	87.1°	76.8°	75%	92.5° (2023)	73.8° (2018)
31	87.1°	76.8°	82%	90.9° (2023)	73° (2021)