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Manoa weather

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Manoa weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Manoa…

Manoa weather in numbers

from 30 years of measured normals

Manoa swings 18°F across the year, from 84°F highs in September to 66°F lows in January, and May is usually the wettest month in a year that brings about 29 in of precipitation.

Warmest month
September
84°F average high
Coldest month
January
66°F average low
Wettest month
May
29 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, February, March and April
Residents
23,000
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The weather map: all three models at once

NWS, American, European side by side around Manoa and nearby towns.Live rain radar →
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Manoa hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Manoa 10-day forecast, out to 14 days

where the models agree, and where they split

Manoa, Hawaii (HI) is at its warmest in Sep (average highs near 84°F) and coldest in Jan (lows around 66°F), with roughly 29 in of precipitation across the year. Below, compare what NWS, American, European forecast for Manoa 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.

Manoa climate by month

average daytime high and overnight low across a typical year
Jan
78°
66°
Feb
76°
68°
Mar
78°
68°
Apr
78°
69°
May
79°
70°
Jun
81°
72°
Jul
82°
73°
Aug
83°
74°
Sep
84°
74°
Oct
84°
73°
Nov
80°
71°
Dec
78°
68°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 mph4972% hitNOAA / NCEP (United States)College Park, Maryland, USA

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.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Manoa today?
On this page we show what NWS, American, European each forecast for Manoa 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 Manoa today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Manoa 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 Manoa?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Manoa forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Manoa?
September is typically the warmest month in Manoa, with average highs around 84°F.
How cold does Manoa get?
The coldest month in Manoa is January, when overnight lows average about 66°F.
How much rain does Manoa get?
Manoa sees roughly 29 in of precipitation a year, with May usually the wettest month.

Nearby

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