Waipahu weather
At 8:30 AM local time it was mostly clear and 26°C (79°F). Light rain for 8 of the next 24 hours (under 1 mm/h, 1.3 mm total) — cloudy, but fine to be out. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Waipahu, Hawaii, United States.
Current conditions
- Clouds
- 39%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 8 of the next 24 hours (under 1 mm/h, 1.3 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Feb–Mar, Nov–Dec
About Waipahu weather
Is it raining in Waipahu right now?
No. It’s mostly clear and 26° right now. Light rain for 8 of the next 24 hours (under 1 mm/h, 1.3 mm total) — cloudy, but fine to be out.
What’s the weather like in Waipahu this week?
Over the next 7 days, expect highs of 27–28° and lows of 22–23°. Rain is likely on 7 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Tuesday.
Has it been raining in Waipahu lately?
In the past 7 days, Waipahu had 2 rainy days and 94.6 mm of rain in total.
What should I pack for Waipahu?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Waipahu weather by month
When is the best time to visit Waipahu?
Based on weather alone, the best time to visit Waipahu is May–Sep, according to NASA's 2001–2025 climate averages. Feb–Mar, Nov–Dec tends to be the least pleasant. Average highs run from 24°C (75°F) in February to 28°C (82°F) in September.
What is the rainiest month in Waipahu?
March is the wettest month, with about 94 mm (3.7 in) of rain on average. June is the driest, with about 37 mm (1.5 in).
What is the hottest month in Waipahu?
September is the warmest, with average highs of 28°C (82°F) and lows of 25°C (77°F). February is the coolest, with highs of 24°C (75°F) and lows of 21°C (70°F).
Does Waipahu have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is March at about 94 mm (3.7 in).
How warm is the sea in Waipahu?
The sea is warmest in September at about 28°C (82°F) and coolest in February at about 25°C (76°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months