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CheckWeather USWaipahu

Waipahu weather

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The weather map: all three models at once

NWS, American, European side by side around Waipahu and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Waipahu, HI is at its warmest in Aug (average highs near 88°F) and coldest in Jan (lows around 68°F), with roughly 19 in of precipitation across the year. Below, compare what NWS, American, European forecast for Waipahu right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Waipahu climate by month

average daytime high and overnight low across a typical year
Jan
79°
68°
Feb
79°
69°
Mar
80°
69°
Apr
81°
70°
May
82°
71°
Jun
85°
73°
Jul
87°
74°
Aug
88°
75°
Sep
88°
74°
Oct
86°
73°
Nov
84°
72°
Dec
81°
69°

Which forecast is most accurate in Waipahu?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
70
/100rank #1
74±2.6°F86±4.4 mph5374% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
48
/100rank #2
59±4.1°F90±3.0 mph548% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in Waipahu today?
On this page we show what NWS, American, European each forecast for Waipahu today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Waipahu today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Waipahu and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Waipahu?
Over the last 30 days, the American model has been the most accurate for Waipahu (CheckWeather Score 70/100), ahead of the European at 48. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Waipahu?
August is typically the warmest month in Waipahu, with average highs around 88°F.
How cold does Waipahu get?
The coldest month in Waipahu is January, when overnight lows average about 68°F.
How much rain does Waipahu get?
Waipahu sees roughly 19 in of precipitation a year, with May usually the wettest month.

Nearby

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