As of 22:52 CDT

Harlingen, TX weather in May

83°

Harlingen, Saturday, 8 August, 22:52

Clear. Feels like 90°. High 96°, low 79°.

Pressure29.97 inHg

Wind7.9 mph SE

Humidity78%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

In May, Harlingen, TX averages a high of 88.3° and a low of 73.6°. About 2.3 inches of precipitation fall over the month (7 wet days). The record high is 104.9° (2024) and the record low 53.1° (2013). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.4°	71.4°	25%	96.3° (1964)	60.3° (2015)
2	86°	71.4°	22%	100.4° (1984)	57.4° (1976)
3	85.6°	70.7°	27%	101.3° (1984)	53.8° (2004)
4	86°	70.5°	27%	102.7° (1999)	53.1° (2013)
5	86.5°	71.2°	17%	99.1° (1999)	55.9° (1970)
6	86.9°	72°	17%	100.2° (1971)	58.5° (1970)
7	87.8°	72.9°	20%	98.8° (1978)	64° (2021)
8	88.2°	73.2°	22%	100.2° (1998)	58.3° (1992)
9	88°	73.6°	32%	104.9° (2024)	65.1° (1984)
10	88°	73.6°	23%	104.4° (2006)	60.4° (1961)
11	88.2°	73.8°	32%	100.9° (1974)	59.7° (1993)
12	88.3°	73.8°	22%	99.1° (2024)	63.3° (1993)
13	87.3°	73.6°	32%	100.4° (1995)	64.2° (1960)
14	87.8°	73°	25%	98.6° (1995)	59.9° (1976)
15	87.1°	72.9°	37%	98.1° (2025)	59.7° (2014)
16	87.6°	72.9°	25%	98.1° (2024)	58.6° (2014)
17	88.2°	73°	23%	98.1° (2003)	60.1° (1970)
18	87.8°	73.2°	20%	95.5° (2003)	64° (1970)
19	88.2°	73.6°	18%	95.9° (2020)	63.5° (2009)
20	88.3°	73.6°	22%	101.7° (2025)	60.4° (1986)
21	88.7°	74.1°	30%	98.4° (2022)	63.7° (1986)
22	88.7°	74.1°	23%	97° (2024)	63.5° (1967)
23	89.4°	74.8°	23%	97.5° (2024)	61.7° (1967)
24	89.8°	75°	23%	99.3° (2024)	63.1° (1967)
25	89.8°	75.6°	18%	99° (2024)	68° (1967)
26	90.3°	75.7°	20%	99.7° (2024)	69.1° (1972)
27	90.7°	75.9°	17%	103.8° (1973)	68.7° (1993)
28	90.5°	75.9°	20%	100.8° (2024)	69.3° (1993)
29	90.1°	75.6°	28%	97.9° (2018)	69.3° (1973)
30	90.5°	75.9°	22%	97.5° (2024)	68.7° (2023)
31	90.7°	75.9°	23%	100.4° (1967)	63° (1984)