As of 20:31 AST

Guaynabo, PR weather in March

84°

Guaynabo, Saturday, 8 August, 20:31

Clear. Feels like 92°. High 90°, low 77°.

Pressure30.00 inHg

Wind7 mph NE

Humidity79%

Visibility6.2 mi

Dew point76°

See detailed hourly forecast

In March, Guaynabo, PR averages a high of 84.3° and a low of 69.7°. About 1.6 inches of precipitation fall over the month (10 wet days). The record high is 91.9° (2021) and the record low 62.6° (2023). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.5°	69.3°	22%	88.9° (2022)	62.6° (2023)
2	83.8°	69.4°	27%	89.6° (1983)	65.5° (2018)
3	84.4°	69.4°	20%	89.8° (2013)	63.5° (2018)
4	84.2°	69.8°	37%	90.1° (2010)	65.1° (1970)
5	83.8°	69.6°	30%	91.4° (2021)	66.2° (1968)
6	83.5°	69.6°	35%	90.9° (1981)	64° (1970)
7	83.5°	69.6°	37%	91.9° (2021)	64.8° (1970)
8	83.1°	69.6°	37%	89.6° (2021)	64.8° (2023)
9	83.1°	69.4°	37%	89.1° (1970)	66.4° (1968)
10	83.8°	69.6°	28%	90.3° (1970)	66.6° (1968)
11	84.2°	69.4°	25%	90° (2025)	65.8° (1962)
12	83.8°	69.6°	27%	89.4° (2005)	64.6° (2023)
13	84°	69.4°	30%	90.7° (2023)	66° (2019)
14	84.2°	69.6°	35%	89.8° (2023)	66.7° (1967)
15	84°	69.8°	23%	90° (1988)	66.2° (1968)
16	84.4°	69.6°	28%	91.2° (2010)	65.1° (1976)
17	84.2°	69.6°	32%	89.8° (1994)	66.4° (1995)
18	84.6°	69.6°	32%	89.6° (1964)	66.4° (2009)
19	84.7°	69.6°	25%	90.7° (1964)	65.3° (2019)
20	85.1°	69.6°	25%	91.2° (1981)	66.4° (2009)
21	84.9°	69.8°	35%	90.7° (1964)	65.8° (1986)
22	84.6°	69.8°	37%	91.4° (1964)	65.5° (2021)
23	85.1°	70°	23%	90.7° (1964)	64.6° (2000)
24	85.3°	69.8°	28%	91.6° (1981)	66.4° (1995)
25	85.1°	70.3°	28%	90.3° (1983)	64.6° (1995)
26	85.3°	70.3°	37%	90.9° (2013)	65.7° (2000)
27	84.6°	70.2°	38%	91.8° (2013)	65.1° (2020)
28	84.7°	70.2°	40%	90.7° (1973)	65.1° (2022)
29	84.2°	70.2°	45%	88.7° (1966)	66.7° (1976)
30	84.4°	70.2°	40%	91.8° (1984)	65.7° (1989)
31	84.6°	70°	38%	91.2° (1966)	66.2° (2020)