Hilo International Airport Weather Forecast

Local 7-day forecast

78°
F

Rain Showers Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Hilo International Airport in one place.

Friday, May 15, 2026
Wind: 2 to 6 mph SE
Friday

Rain showers likely. Mostly cloudy, with a high near 78. Southeast wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Hilo International Airport is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 14, 2026 2:55 PM HST.

The active forecast window currently covers May 15 to May 20, 2026 for Hilo International Airport.

Page Snapshot

Page focus
city weather
Forecast window
May 15 to May 20, 2026
Latest sync
May 14, 2026 2:55 PM HST
Forecast office
HFO
Source
NOAA / NWS
Next High
78°F
Friday
Next Low
66°F
Friday Night
Rain Outlook
12
Periods mentioning precipitation
Windiest
2 to 9 mph
Monday

Daily Outlook

Today
May 15
Rain Showers Likely
78 °F
/ 66°F
Wind 2 to 6 mph
Sat
May 16
Rain Showers Likely
80 °F
/ 67°F
Wind 2 to 7 mph
Sun
May 17
Rain Showers Likely
80 °F
/ 67°F
Wind 3 to 7 mph
Mon
May 18
Chance Rain Showers
79 °F
/ 66°F
Wind 2 to 9 mph
Tue
May 19
Chance Rain Showers
79 °F
/ 68°F
Wind 3 to 8 mph
Wed
May 20
Chance Rain Showers
78 °F
/ 68°F
Wind 3 to 8 mph

This Week in Hilo International Airport

Saturday looks like the warmest upcoming period in Hilo International Airport at 80 degrees F.

Friday Night is the coolest period ahead with temperatures near 66 degrees F.

The strongest winds are forecast for Monday at about 2 to 9 mph E.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated
May 14, 2026 2:55 PM HST
Coverage
7 days
Time zone
Pacific/Honolulu
Forecast office
HFO
Radar station
PHWA

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Friday Night
May 15
66°F
Rain Showers Likely
2 mph S

Rain showers likely. Mostly cloudy, with a low around 66. South wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Saturday
May 16
80°F
Rain Showers Likely
2 to 7 mph SE

Rain showers likely. Mostly cloudy, with a high near 80. Southeast wind 2 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night
May 16
67°F
Rain Showers Likely
6 mph SSE

Rain showers likely. Mostly cloudy, with a low around 67. South southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday
May 17
80°F
Rain Showers Likely
3 to 7 mph SE

Rain showers likely. Partly sunny, with a high near 80. Southeast wind 3 to 7 mph. Chance of precipitation is 70%.

Sunday Night
May 17
67°F
Chance Rain Showers
3 mph SSE

A chance of rain showers. Mostly cloudy, with a low around 67. South southeast wind around 3 mph. Chance of precipitation is 70%.

Monday
May 18
79°F
Chance Rain Showers
2 to 9 mph E

A chance of rain showers. Partly sunny, with a high near 79. East wind 2 to 9 mph. Chance of precipitation is 60%.

Monday Night
May 18
66°F
Frequent Rain Showers
3 mph ENE

Frequent rain showers. Mostly cloudy, with a low around 66. East northeast wind around 3 mph. Chance of precipitation is 80%.

Tuesday
May 19
79°F
Chance Rain Showers
3 to 8 mph NE

A chance of rain showers. Mostly cloudy, with a high near 79. Northeast wind 3 to 8 mph. Chance of precipitation is 70%.

Tuesday Night
May 19
68°F
Chance Rain Showers
5 mph NNE

A chance of rain showers. Mostly cloudy, with a low around 68. North northeast wind around 5 mph. Chance of precipitation is 70%.

Wednesday
May 20
78°F
Chance Rain Showers
3 to 8 mph ENE

A chance of rain showers. Partly sunny, with a high near 78. East northeast wind 3 to 8 mph. Chance of precipitation is 70%.

Wednesday Night
May 20
68°F
Chance Rain Showers
7 mph NE

A chance of rain showers. Mostly cloudy, with a low around 68. Northeast wind around 7 mph. Chance of precipitation is 70%.

Detailed Forecast

Period Conditions Temp Wind
Friday
May 15
Rain Showers Likely
78°F
2 to 6 mph
SE
Friday Night
May 15
Rain Showers Likely
66°F
2 mph
S
Saturday
May 16
Rain Showers Likely
80°F
2 to 7 mph
SE
Saturday Night
May 16
Rain Showers Likely
67°F
6 mph
SSE
Sunday
May 17
Rain Showers Likely
80°F
3 to 7 mph
SE
Sunday Night
May 17
Chance Rain Showers
67°F
3 mph
SSE
Monday
May 18
Chance Rain Showers
79°F
2 to 9 mph
E
Monday Night
May 18
Frequent Rain Showers
66°F
3 mph
ENE
Tuesday
May 19
Chance Rain Showers
79°F
3 to 8 mph
NE
Tuesday Night
May 19
Chance Rain Showers
68°F
5 mph
NNE
Wednesday
May 20
Chance Rain Showers
78°F
3 to 8 mph
ENE
Wednesday Night
May 20
Chance Rain Showers
68°F
7 mph
NE
Departing Hilo Airport
Departing Hilo Airport image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.