As of 19:58 HST

Waipahu, HI weather in January

79°

Waipahu, Saturday, 8 August, 19:58

Mostly clear. Feels like 79°. High 84°, low 77°.

Pressure30.00 inHg

Wind4 mph NE

Humidity75%

Visibility6.2 mi

Dew point71°

See detailed hourly forecast

In January, Waipahu, HI averages a high of 77.1° and a low of 70.1°. About 2.4 inches of precipitation fall over the month (9 wet days). The record high is 84.7° (2021) and the record low 59.2° (2024). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	77.2°	70.5°	27%	82.9° (2025)	64.6° (1985)
2	77.2°	70.7°	28%	83.1° (2025)	64.9° (2002)
3	77.4°	70.9°	23%	82.2° (2023)	65.5° (1999)
4	77.4°	70.7°	20%	82.4° (2021)	64.9° (2017)
5	77°	70.3°	35%	82.6° (2021)	65.5° (1978)
6	76.8°	70.2°	33%	82.8° (2021)	62.8° (1971)
7	77°	69.8°	18%	81.5° (2021)	63° (2017)
8	77.4°	70.3°	25%	81.7° (2021)	64.9° (2017)
9	77.4°	70.2°	27%	82.8° (2025)	65.1° (2017)
10	77.4°	70°	22%	83.5° (2025)	63.3° (1970)
11	77.4°	70.2°	22%	81.5° (2025)	64.9° (2023)
12	77.2°	69.8°	23%	81.3° (2021)	63.9° (1979)
13	77.4°	70°	32%	83.1° (2025)	63.5° (2023)
14	77.4°	70°	27%	83.7° (2025)	59.2° (2024)
15	77.2°	70.2°	38%	84.7° (2021)	62.2° (2024)
16	77.4°	70.2°	32%	82.4° (2021)	64.8° (2019)
17	77°	70.3°	35%	81.7° (2017)	64.8° (2003)
18	77.4°	70.3°	22%	82° (2017)	64.2° (2025)
19	77.4°	70.3°	18%	81.3° (2017)	65.5° (1987)
20	77.2°	70.2°	33%	81.7° (2021)	62.6° (1969)
21	77°	70°	25%	82.2° (2022)	64.9° (1969)
22	77°	70.2°	22%	81.5° (2021)	63.3° (2003)
23	77°	70°	28%	81.1° (2016)	60.8° (2025)
24	77°	70.2°	33%	81.9° (2016)	61.7° (2025)
25	77°	70.2°	30%	82.6° (2019)	65.5° (1991)
26	76.8°	70°	32%	82.9° (2020)	64.8° (1980)
27	76.8°	70°	28%	81.9° (2020)	65.8° (1994)
28	77°	69.6°	30%	82° (2018)	64° (2019)
29	77°	70°	37%	81.7° (2020)	63.9° (2025)
30	76.8°	69.8°	38%	81.3° (2020)	64.8° (1994)
31	76.6°	69.6°	32%	82° (2020)	61.7° (1985)