As of 10:47 HST

Waipahu, HI weather in April

85°

Waipahu, Sunday, 9 August, 10:47

Overcast. Feels like 91°. High 85°, low 76°.

Pressure30.00 inHg

Wind12 mph NE

Humidity67%

Visibility6.2 mi

Dew point73°

See detailed hourly forecast

In April, Waipahu, HI averages a high of 78.7° and a low of 71.1°. About 1.3 inches of precipitation fall over the month (11 wet days). The record high is 85.8° (2025) and the record low 62.8° (2017). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.3°	70.7°	43%	83.5° (2017)	64.8° (2019)
2	78.1°	70.9°	37%	83.1° (2017)	67.1° (1985)
3	78.3°	70.9°	37%	83.8° (2025)	66° (1985)
4	78.3°	70.9°	30%	83.7° (2017)	65.1° (1973)
5	78.1°	70.7°	32%	85.6° (2025)	65.3° (1973)
6	78.1°	70.7°	32%	85.1° (2025)	66.4° (2019)
7	78.3°	70.7°	30%	85.8° (2025)	66.4° (2019)
8	78.3°	70.7°	33%	84.9° (2025)	66.4° (1989)
9	78.1°	70.5°	45%	84.2° (2022)	66.4° (2020)
10	78.3°	70.9°	28%	85.1° (2022)	66.6° (1968)
11	78.6°	71.1°	32%	83.7° (2022)	65.3° (2021)
12	78.6°	71.2°	45%	84.2° (2022)	65.8° (2021)
13	78.8°	71.2°	43%	83.7° (2025)	68.2° (2021)
14	78.6°	71.2°	32%	84.2° (2025)	67.5° (2021)
15	78.6°	71.4°	27%	84.4° (2017)	68.4° (2010)
16	78.4°	71.2°	38%	82.6° (2020)	65.8° (2021)
17	78.8°	71.1°	33%	83.5° (2019)	65.3° (2024)
18	79°	71.2°	32%	83.7° (2019)	67.3° (1967)
19	78.6°	71.4°	42%	83.7° (2019)	68.2° (2021)
20	78.8°	71.2°	47%	83.7° (2021)	67.3° (1966)
21	79°	71.2°	30%	84.2° (2019)	67.5° (2024)
22	79.2°	71.4°	38%	84.4° (2019)	68° (1982)
23	79.2°	71.6°	37%	84.2° (2019)	68.4° (1982)
24	79.2°	71.6°	27%	84.7° (2017)	67.5° (2009)
25	79.5°	71.4°	33%	84.2° (2017)	67.5° (2009)
26	79.3°	71.6°	42%	84.2° (2020)	67.8° (1976)
27	79.2°	71.2°	35%	84.2° (2020)	66.2° (1987)
28	78.8°	71.2°	40%	83.7° (2020)	66.2° (1995)
29	79.2°	71.4°	32%	85.3° (2024)	64.2° (2018)
30	79°	71.4°	28%	83.7° (2025)	62.8° (2017)