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Forecast confidence: High · models disagree by 3°F

Hilo weather

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Light drizzle,rain likely tomorrow

NWS, the American and the European model agree on a high near 82° in Hilo today. Tomorrow looks light drizzle around 82°, with a 95% chance of rain.

82°77°
82°74°
82°75°
81°75°
81°76°
81°75°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agree
AmericanNOAA GFS
84°
Light drizzle
Today 84°·Low 76°·Rain 65%
EuropeanECMWF
81°
Light drizzle
Today 81°·Low 78°·Rain 99%
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Hilo weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Hilo weather in numbers

from 30 years of measured normals

Hilo swings 17°F across the year, from 81°F highs in September to 64°F lows in February, and February is usually the wettest month in a year that brings about 83 in of precipitation.

Warmest month
September
81°F average high
Coldest month
February
64°F average low
Wettest month
February
83 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
January, March, April and May
Residents
43,000
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The weather map: all three models at once

NWS, American, European side by side around Hilo and nearby towns.Live rain radar →
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Hilo 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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Hilo 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
82° 77°
models agree
Tomorrow
Light drizzle
82° 74°
models agree
Sun
Light drizzle
82° 75°
models agree
Mon
Heavy drizzle
81° 75°
models agree
Tue
Showers
81° 76°
models agree
Wed
Showers
81° 75°
models agree
Thu
Heavy drizzle
80° 75°
models agree
Fri
Drizzle
81° 75°
models agree
Sat
Drizzle
80° 75°
models agree
Sun
Light drizzle
80° 73°
models agree
Mon
Light drizzle
79° 73°
models agree
Tue
Light drizzle
79° 74°
models agree
Wed
Light drizzle
80° 73°
models agree
Thu
Light drizzle
80° 73°
models agree

Hilo, Hawaii (HI) is at its warmest in Sep (average highs near 81°F) and coldest in Feb (lows around 64°F), with roughly 83 in of precipitation across the year. Below, compare what NWS, American, European forecast for Hilo 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.

Hilo climate by month

average daytime high and overnight low across a typical year
Jan
78°
65°
Feb
74°
64°
Mar
75°
65°
Apr
76°
66°
May
76°
67°
Jun
78°
68°
Jul
80°
69°
Aug
80°
69°
Sep
81°
69°
Oct
81°
69°
Nov
78°
67°
Dec
76°
65°

Which forecast is most accurate in Hilo?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
88±1.2°F92±2.6 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
77
/100rank #2
77±2.3°F94±1.9 mph6581% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°81° to 84°±34%65% to 99% chance
Tomorrow±4°80° to 84°±28%67% to 95% chance
Sun±3°80° to 83°±6%58% to 64% chance
Mon±3°80° to 83°±1%99% to 100% chance
Tue±4°79° to 83°±1%99% to 100% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Hilo

today, local time
Sunrise
06:08
Sunset
18:19
Daylight
12h 11m

Common questions

What's the weather in Hilo today?
On this page we show what NWS, American, European each forecast for Hilo 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 Hilo today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Hilo 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 Hilo?
Over the last 30 days, the European model has been the most accurate for Hilo (CheckWeather Score 91/100), ahead of the American at 77. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Hilo?
September is typically the warmest month in Hilo, with average highs around 81°F.
How cold does Hilo get?
The coldest month in Hilo is February, when overnight lows average about 64°F.
How much rain does Hilo get?
Hilo sees roughly 83 in of precipitation a year, with February usually the wettest month.

Nearby

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