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CheckWeather USHilo
Forecast confidence: Medium · models disagree by 5°F

Hilo weather

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Light drizzle,rain likely tomorrow

NWS, the American and the European model put Hilo's high today between 79° and 84°, a 5° split. Tomorrow looks showers around 81°, with a 97% chance of rain.

82°72°
81°74°
84°75°
86°76°
82°76°
80°72°
Todaysplit ±5°Tomorrowmodels agreeMondaysplit ±4°Tuesdaysplit ±9°Wednesdaysplit ±4°Thursdaymodels agree
AmericanNOAA GFS
84°
Light drizzle
Today 84°·Low 70°·Rain 90%
EuropeanECMWF
79°
Light drizzle
Today 79°·Low 75°·Rain 96%

The weather map: all three models at once

NWS, American, European side by side around Hilo and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Light drizzle
82° 72°
±5°
Tomorrow
Showers
81° 74°
models agree
Mon
Drizzle
84° 75°
±4°
Tue
Light drizzle
86° 76°
±9°
Wed
Heavy drizzle
82° 76°
±4°
Thu
Drizzle
80° 72°
models agree
Fri
Light drizzle
81° 72°
models agree
Sat
Mostly clear
80° 72°
models agree
Sun
Clear
81° 73°
±5°
Mon
Drizzle
83° 74°
±7°
Tue
Drizzle
85° 75°
±7°
Wed
Light drizzle
84° 76°
±6°
Thu
Light drizzle
83° 76°
±8°
Fri
Light drizzle
83° 76°
±9°

Hilo, 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 Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
88±1.2°F93±2.1 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
80±2.0°F94±1.7 mph5877% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±5°79° to 84°±6%90% to 96% chance
Tomorrow±3°80° to 83°±3%94% to 97% chance
Mon±4°82° to 86°±26%58% to 84% chance
Tue±9°82° to 90°±19%49% to 68% chance
Wed±4°80° to 84°±13%77% to 90% 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
06:05
Sunset
18:31
Daylight
12h 26m

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 92/100), ahead of the American at 76. 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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