Waipahu, HI Weather Forecast

Local 7-day forecast

87°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Waipahu, HI in one place.

Sunday, July 19, 2026
Wind: 10 to 15 mph NE
Sunday

Sunny. High near 87, with temperatures falling to around 82 in the afternoon. Northeast wind 10 to 15 mph, with gusts as high as 21 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Waipahu, HI 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: Jul 18, 2026 10:46 PM HST.

The active forecast window currently covers Jul 19 to Jul 25, 2026 for Waipahu, HI.

Page Snapshot

Page focus
city weather
Forecast window
Jul 19 to Jul 25, 2026
Latest sync
Jul 18, 2026 10:46 PM HST
Forecast office
HFO
Source
NOAA / NWS
Next High
87°F
Sunday
Next Low
73°F
Sunday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
12 to 18 mph
Friday

Daily Outlook

Today
Jul 19
Sunny
87 °F
/ 73°F
Wind 10 to 15 mph
Mon
Jul 20
Mostly Sunny
87 °F
/ 74°F
Wind 9 to 14 mph
Tue
Jul 21
Mostly Sunny
87 °F
/ 75°F
Wind 8 to 14 mph
Wed
Jul 22
Mostly Sunny
87 °F
/ 74°F
Wind 9 to 15 mph
Thu
Jul 23
Sunny
87 °F
/ 74°F
Wind 10 to 17 mph
Fri
Jul 24
Mostly Sunny
86 °F
/ 74°F
Wind 12 to 18 mph
Sat
Jul 25
Mostly Sunny
86 °F
Wind 0 to 18 mph

This Week in Waipahu

Sunday looks like the warmest upcoming period in Waipahu at 87 degrees F.

Sunday Night is the coolest period ahead with temperatures near 73 degrees F.

The strongest winds are forecast for Friday at about 12 to 18 mph ENE.

The forecast from Jul 19 through Jul 25 stays mostly dry.

Forecast Details

Last updated
Jul 18, 2026 10:46 PM HST
Coverage
7 days
Time zone
Pacific/Honolulu
Forecast office
HFO
Radar station
PHMO

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

Open NOAA source

Extended Forecast

Sunday Night
Jul 19
73°F
Partly Cloudy
8 to 15 mph ENE

Partly cloudy, with a low around 73. East northeast wind 8 to 15 mph, with gusts as high as 21 mph.

Monday
Jul 20
87°F
Mostly Sunny
9 to 14 mph ENE

Mostly sunny, with a high near 87. East northeast wind 9 to 14 mph, with gusts as high as 18 mph.

Monday Night
Jul 20
74°F
Partly Cloudy
7 to 14 mph ENE

Partly cloudy, with a low around 74. East northeast wind 7 to 14 mph, with gusts as high as 18 mph.

Tuesday
Jul 21
87°F
Mostly Sunny
8 to 14 mph ENE

Mostly sunny, with a high near 87. East northeast wind 8 to 14 mph, with gusts as high as 18 mph.

Tuesday Night
Jul 21
75°F
Partly Cloudy
8 to 14 mph ENE

Partly cloudy, with a low around 75. East northeast wind 8 to 14 mph, with gusts as high as 18 mph.

Wednesday
Jul 22
87°F
Mostly Sunny
9 to 15 mph ENE

Mostly sunny, with a high near 87. East northeast wind 9 to 15 mph, with gusts as high as 21 mph.

Wednesday Night
Jul 22
74°F
Mostly Clear
9 to 15 mph ENE

Mostly clear, with a low around 74. East northeast wind 9 to 15 mph, with gusts as high as 21 mph.

Thursday
Jul 23
87°F
Sunny
10 to 17 mph ENE

Sunny, with a high near 87. East northeast wind 10 to 17 mph, with gusts as high as 24 mph.

Thursday Night
Jul 23
74°F
Mostly Clear
10 to 17 mph ENE

Mostly clear, with a low around 74. East northeast wind 10 to 17 mph, with gusts as high as 24 mph.

Friday
Jul 24
86°F
Mostly Sunny
12 to 18 mph ENE

Mostly sunny, with a high near 86. East northeast wind 12 to 18 mph, with gusts as high as 25 mph.

Friday Night
Jul 24
74°F
Partly Cloudy
0 to 18 mph NE

Partly cloudy, with a low around 74. Northeast wind 0 to 18 mph, with gusts as high as 25 mph.

Saturday
Jul 25
86°F
Mostly Sunny
0 to 18 mph NNE

Mostly sunny, with a high near 86. North northeast wind 0 to 18 mph, with gusts as high as 25 mph.

Detailed Forecast

Period Conditions Temp Wind
Sunday
Jul 19
Sunny
87°F
10 to 15 mph
NE
Sunday Night
Jul 19
Partly Cloudy
73°F
8 to 15 mph
ENE
Monday
Jul 20
Mostly Sunny
87°F
9 to 14 mph
ENE
Monday Night
Jul 20
Partly Cloudy
74°F
7 to 14 mph
ENE
Tuesday
Jul 21
Mostly Sunny
87°F
8 to 14 mph
ENE
Tuesday Night
Jul 21
Partly Cloudy
75°F
8 to 14 mph
ENE
Wednesday
Jul 22
Mostly Sunny
87°F
9 to 15 mph
ENE
Wednesday Night
Jul 22
Mostly Clear
74°F
9 to 15 mph
ENE
Thursday
Jul 23
Sunny
87°F
10 to 17 mph
ENE
Thursday Night
Jul 23
Mostly Clear
74°F
10 to 17 mph
ENE
Friday
Jul 24
Mostly Sunny
86°F
12 to 18 mph
ENE
Friday Night
Jul 24
Partly Cloudy
74°F
0 to 18 mph
NE
Saturday
Jul 25
Mostly Sunny
86°F
0 to 18 mph
NNE
Rainbow over Waipahu %2758 Farrington Hwy
Rainbow over Waipahu %2758 Farrington Hwy 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.