10-day forecast for Hilo, HI: 74° to 83°, with precipitation expected on 9 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Wednesday, August 12
77° · 9.2 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0981° / 76°0.48
Morning78°feels 80°
Afternoon80°feels 85°
Evening77°feels 78°
Overnight76°feels 78°
81 °
Hilo, Sunday, 9 August
Light rain. High 81°, low 76°.
Pressure30.00 inHg
Wind8.7 mph E
Humidity77%
Visibility6.2 mi
Dew point70°
Mon, 1082° / 76°0.06
Morning78°feels 79°
Afternoon82°feels 85°
Evening77°feels 78°
Overnight76°feels 78°
82 °
Hilo, Monday, 10 August
Light rain. High 82°, low 76°.
Pressure29.97 inHg
Wind9 mph E
Humidity67%
Visibility6.2 mi
Dew point67°
Tue, 1180° / 75°0.06
Morning77°feels 78°
Afternoon80°feels 80°
Evening76°feels 77°
Overnight76°feels 78°
80 °
Hilo, Tuesday, 11 August
Light rain. High 80°, low 75°.
Pressure29.97 inHg
Wind9.8 mph NE
Humidity68%
Visibility6.2 mi
Dew point66°
Wed, 1280° / 74°0.03
Morning77°feels 77°
Afternoon80°feels 82°
Evening78°feels 79°
Overnight74°feels 75°
80 °
Hilo, Wednesday, 12 August
Light rain. High 80°, low 74°.
Pressure29.97 inHg
Wind9.6 mph NE
Humidity66%
Visibility6.2 mi
Dew point65°
Thu, 1381° / 76°0.09
Morning77°feels 79°
Afternoon80°feels 83°
Evening79°feels 79°
Overnight76°feels 78°
81 °
Hilo, Thursday, 13 August
Light rain. High 81°, low 76°.
Pressure29.94 inHg
Wind12.7 mph NE
Humidity71%
Visibility—
Dew point70°
Fri, 1479° / 76°0.82
Morning76°feels 78°
Afternoon78°feels 80°
Evening77°feels 79°
Overnight76°feels 78°
79 °
Hilo, Friday, 14 August
Rain. High 79°, low 76°.
Pressure29.94 inHg
Wind15.8 mph N
Humidity81%
Visibility—
Dew point72°
Sat, 1577° / 75°9.2
Morning76°feels 78°
Afternoon76°feels 77°
Evening77°feels 79°
Overnight77°feels 79°
77 °
Hilo, Saturday, 15 August
Heavy rain. High 77°, low 75°.
Pressure29.85 inHg
Wind49.5 mph NE
Humidity93%
Visibility—
Dew point73°
Sun, 1683° / 77°0.39
Morning79°feels 82°
Afternoon83°feels 89°
Evening81°feels 86°
Overnight78°feels 79°
83 °
Hilo, Sunday, 16 August
Rain. High 83°, low 77°.
Pressure29.94 inHg
Wind29.9 mph S
Humidity71%
Visibility—
Dew point72°
Mon, 1777° / 74°0.38
Morning77°feels 78°
Afternoon77°feels 78°
Evening76°feels 77°
Overnight75°feels 76°
77 °
Hilo, Monday, 17 August
Rain. High 77°, low 74°.
Pressure30.03 inHg
Wind10.8 mph NE
Humidity86%
Visibility—
Dew point72°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Hilo, HI around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.