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Weather in Hilo — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Hilo

☁️

+22°

Overcast

Feels like +24° · humidity 90%

Tomorrow 12.9: +25° / +21°

🕐 19:25

Wind

14 km/h

UV index

Air (AQI)

15 · Excellent

Precipitation

90%

Humidity

90%

Pressure

1012 hPa

Sunrise / sunset

06:07 / 18:25

Sea temperature

🌊 +27°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

☂️ Take an umbrellaFeels warmer by 2°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Hilo

Tomorrow, 12 September, Saturday, in Hilo (United States): cloudy, light rain in places, warm. During the day the air will warm up to +25°, at night around +21°. Wind up to 13 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +27° — great for swimming. The sun will rise at 06:07 and set at 18:25 — daylight lasts 12 hours.

Hourly weather in Hilo

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Hilo for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Tomorrow 12.9

🌦️

💧 90%

+21° +25°

Morning

🌤️

+23°

Day

🌦️

+25°

Evening

🌇

+22°

Night

🌙

+21°

Rain showers · precipitation 90% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 13.9

🌦️

💧 84%

+21° +26°

Morning

🌦️

+23°

Day

🌦️

+26°

Evening

🌇

+25°

Night

🌙

+21°

Drizzle · precipitation 84% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

☁️

💧 18%

+20° +26°

Morning

☁️

+22°

Day

☁️

+26°

Evening

🌇

+25°

Night

🌙

+20°

Overcast · precipitation 18% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

🌦️

💧 72%

+19° +27°

Morning

🌦️

+22°

Day

🌦️

+27°

Evening

🌇

+25°

Night

🌙

+19°

Rain showers · precipitation 72% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

🌦️

💧 94%

+22° +26°

Morning

🌦️

+23°

Day

🌦️

+26°

Evening

🌇

+25°

Night

🌙

+22°

Rain showers · precipitation 94% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

🌦️

💧 95%

+22° +27°

Morning

🌦️

+24°

Day

🌦️

+27°

Evening

🌇

+26°

Night

🌙

+22°

Drizzle · precipitation 95% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

🌦️

💧 81%

+22° +27°

Morning

🌦️

+24°

Day

🌦️

+27°

Evening

🌇

+26°

Night

🌙

+22°

Drizzle · precipitation 81% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

🌦️

💧 77%

+21° +27°

Morning

🌦️

+23°

Day

🌦️

+27°

Evening

🌇

+26°

Night

🌙

+21°

Drizzle · precipitation 77% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

🌦️

💧 75%

+21° +26°

Morning

🌦️

+23°

Day

🌦️

+26°

Evening

🌇

+25°

Night

🌙

+21°

Drizzle · precipitation 75% · wind up to 23 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 76%

+21° +25°

Morning

🌦️

+22°

Day

🌦️

+25°

Evening

🌇

+24°

Night

🌙

+21°

Rain showers · precipitation 76% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

⛈️

💧 65%

+23° +24°

Morning

⛈️

+23°

Day

⛈️

+24°

Evening

🌇

+24°

Night

🌙

+23°

Thunderstorm · precipitation 65% · wind up to 51 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

🌦️

💧 65%

+23° +30°

Morning

🌦️

+26°

Day

🌦️

+30°

Evening

🌇

+28°

Night

🌙

+23°

Drizzle · precipitation 65% · wind up to 32 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

☀️

💧 66%

+22° +29°

Morning

☀️

+25°

Day

☀️

+29°

Evening

🌇

+27°

Night

🌙

+22°

Clear · precipitation 66% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

8 / 100

for sea and sun · Bad

🏊 Swimming

4 / 100

water 27° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

90%

likely · high

✨ Stars

25 / 100

evening visibility · So-so

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Excellent air

European AQI

PM2.5: 4PM10: 6O₃: 40NO₂: 2

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

06:07

Sunset

18:25

Golden hour

17:56

Daylight

12 h (-1 min vs yesterday)

Sea temperature

+27°

Hilo climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+23°

+18°

Jan

+23°

+18°

Feb

+23°

+18°

Mar

+24°

+19°

Apr

+25°

+20°

May

+25°

+20°

Jun

+26°

+21°

Jul

+26°

+21°

Aug

+26°

+21°

Sep

+26°

+21°

Oct

+25°

+20°

Nov

+24°

+19°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+23°	+18°	+25°	123 mm	The most pleasant season: +23° by day, comfortable all day long. One of the wettest months (123 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +25° — great for swimming.
February	+23°	+18°	+25°	128 mm	One of the best times to visit: +23° by day, fresh nights. It's a rainy month (128 mm) — an umbrella is a must. 🙂 a sweater for the evening. Water at +25° — great for swimming. This is the coldest month of the year.
March	+23°	+18°	+24°	183 mm	Ideal weather: +23° daytime — neither hot nor cold. Frequent rain (183 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Water at +24° — great for swimming. Statistically the wettest month of the year.
April	+24°	+19°	+24°	140 mm	The most pleasant season: +24° by day, comfortable all day long. One of the wettest months (140 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +24° — great for swimming.
May	+25°	+20°	+25°	115 mm	One of the best times to visit: +25° by day, fresh nights. It's a rainy month (115 mm) — an umbrella is a must. 😊 light summer clothing. Water at +25° — great for swimming.
June	+25°	+20°	+26°	97 mm	Ideal weather: +25° daytime — neither hot nor cold. Frequent rain (97 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +26° — great for swimming. The longest daylight hours of the year — more time for everything.
July	+26°	+21°	+26°	112 mm	The most pleasant season: +26° by day, comfortable all day long. One of the wettest months (112 mm): downpours can derail plans. 😊 light summer clothing. Water at +26° — great for swimming. Weather-wise, one of the three best months to visit.
August	+26°	+21°	+26°	143 mm	Warm and comfortable: +26° by day, +21° at night. It's a rainy month (143 mm) — an umbrella is a must. 😊 light summer clothing. Water at +26° — great for swimming.
September	+26°	+21°	+27°	96 mm	Gentle warmth — about +26° daytime, great walking weather. Frequent rain (96 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +27° — great for swimming. This is the hottest month of the year in Hilo.
October	+26°	+21°	+27°	124 mm	The most pleasant season: +26° by day, comfortable all day long. One of the wettest months (124 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming. The sea is at its warmest of the year this month.
November	+25°	+20°	+26°	161 mm	One of the best times to visit: +25° by day, fresh nights. It's a rainy month (161 mm) — an umbrella is a must. 😊 light summer clothing. Water at +26° — great for swimming.
December	+24°	+19°	+26°	167 mm	Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (167 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Water at +26° — great for swimming. The shortest daylight of the year — it gets dark early.

When to visit Hilo

✅ Recommended time to visit

🌟 Best time: June, July, September

Daytime air+25…+26°

Sea temperature+26…+27°

Precipitationoften

Why: comfortable +25…+26° by day, little rain, warm sea (+26…27°).

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, April, May, August, October

Daytime air+23…+26°

Sea temperature+24…+27°

Precipitationoften

Why: noticeable rain risk (115–143 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: March, November, December

Daytime air+23…+25°

Sea temperature+24…+26°

Precipitationoften

Why: the rainy season (161–183 mm/month) — downpours almost daily.

Bottom line: the best time to visit Hilo is June, July, September, and the most comfortable months are June, July, September. The toughest months to visit are March, November, December: frequent rain.