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Manoa weather

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AmericanNOAA GFS
75°
Overcast
Feels 78° · Wind 10 mph · Humidity 77%
EuropeanECMWF
76°
Overcast
Feels 77° · Wind 12 mph · Humidity 73%

Latest for Manoa: American (NOAA GFS): 75° Overcast · European (ECMWF): 76° Overcast.

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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

measured normals and 10 years of recorded weather

Manoa swings 19°F across the year, from 83°F highs in September to 64°F lows in January, and December is usually the wettest month in a year that brings about 35 in of precipitation. Over 10 years of recorded weather it averages 308 days a year at 77°F or above, 7 of them at 86°F or above, 0 frost nights, and rain on 170 days.

Warmest month
September
83°F average high
Coldest month
January
64°F average low
Wettest month
December
35 in a year
Comfortable
4 months
January, February, March and April
Residents
23,000
share this forecast
Warm days
308 days
a year at 77°F or above
Frost nights
0 nights
a year below 32°F
Rain days
170 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Manoa’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

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 83°F) and coldest in Jan (lows around 64°F), with roughly 35 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 (1991-2020)
Jan
76°
64°
Feb
75°
67°
Mar
77°
67°
Apr
77°
68°
May
78°
69°
Jun
80°
71°
Jul
81°
72°
Aug
82°
73°
Sep
83°
73°
Oct
83°
72°
Nov
79°
70°
Dec
76°
66°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Manoa has changed since 1995

Manoa sits in the same roughly 50 km square of NASA's reanalysis as East Honolulu. That square ran 1.2°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the East Honolulu page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% 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 83°F.
How cold does Manoa get?
The coldest month in Manoa is January, when overnight lows average about 64°F.
How much rain does Manoa get?
Manoa sees roughly 35 in of precipitation a year, with December usually the wettest month.

Nearby

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