Waipahu, HI Weather Forecast

Local 7-day forecast

85°
F

Sunny

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

Monday, October 19, 2026
Wind: 9 to 18 mph ENE
Monday

Sunny, with a high near 85. East northeast wind 9 to 18 mph, with gusts as high as 25 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: Oct 19, 2026 12:45 AM HST.

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

Page Snapshot

Page focus
city weather
Forecast window
Oct 19 to Oct 25, 2026
Latest sync
Oct 19, 2026 12:45 AM HST
Forecast office
HFO
Source
NOAA / NWS
Next High
85°F
Monday
Next Low
74°F
Monday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
21 mph
Tuesday

Daily Outlook

Today
Oct 19
Sunny
85 °F
/ 74°F
Wind 9 to 18 mph
Tue
Oct 20
Sunny
85 °F
/ 74°F
Wind 21 mph
Wed
Oct 21
Sunny
85 °F
/ 73°F
Wind 17 mph
Thu
Oct 22
Sunny
86 °F
/ 72°F
Wind 9 mph
Fri
Oct 23
Mostly Cloudy
86 °F
/ 74°F
Wind 7 mph
Sat
Oct 24
Mostly Sunny
86 °F
/ 74°F
Wind 9 mph
Sun
Oct 25
Partly Sunny
85 °F
Wind 10 mph

This Week in Waipahu

Thursday looks like the warmest upcoming period in Waipahu at 86 degrees F.

Thursday Night is the coolest period ahead with temperatures near 72 degrees F.

The strongest winds are forecast for Tuesday at about 21 mph ENE.

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

Forecast Details

Last updated
Oct 19, 2026 12:45 AM 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

Monday Night
Oct 19
74°F
Mostly Clear
20 mph ENE

Mostly clear, with a low around 74. East northeast wind around 20 mph, with gusts as high as 28 mph.

Tuesday
Oct 20
85°F
Sunny
21 mph ENE

Sunny, with a high near 85. East northeast wind around 21 mph, with gusts as high as 30 mph.

Tuesday Night
Oct 20
74°F
Mostly Clear
16 to 20 mph ENE

Mostly clear, with a low around 74. East northeast wind 16 to 20 mph, with gusts as high as 28 mph.

Wednesday
Oct 21
85°F
Sunny
17 mph ENE

Sunny, with a high near 85. East northeast wind around 17 mph, with gusts as high as 24 mph.

Wednesday Night
Oct 21
73°F
Mostly Clear
8 to 15 mph ENE

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

Thursday
Oct 22
86°F
Sunny
9 mph ENE

Sunny, with a high near 86. East northeast wind around 9 mph.

Thursday Night
Oct 22
72°F
Partly Cloudy
9 mph ENE

Partly cloudy, with a low around 72. East northeast wind around 9 mph.

Friday
Oct 23
86°F
Mostly Cloudy
7 mph ENE

Mostly cloudy, with a high near 86. East northeast wind around 7 mph.

Friday Night
Oct 23
74°F
Mostly Cloudy
8 mph NE

Mostly cloudy, with a low around 74. Northeast wind around 8 mph.

Saturday
Oct 24
86°F
Mostly Sunny
9 mph NE

Mostly sunny, with a high near 86. Northeast wind around 9 mph.

Saturday Night
Oct 24
74°F
Mostly Cloudy
9 mph NE

Mostly cloudy, with a low around 74. Northeast wind around 9 mph.

Sunday
Oct 25
85°F
Partly Sunny
10 mph NE

Partly sunny, with a high near 85. Northeast wind around 10 mph.

Detailed Forecast

Period Conditions Temp Wind
Monday
Oct 19
Sunny
85°F
9 to 18 mph
ENE
Monday Night
Oct 19
Mostly Clear
74°F
20 mph
ENE
Tuesday
Oct 20
Sunny
85°F
21 mph
ENE
Tuesday Night
Oct 20
Mostly Clear
74°F
16 to 20 mph
ENE
Wednesday
Oct 21
Sunny
85°F
17 mph
ENE
Wednesday Night
Oct 21
Mostly Clear
73°F
8 to 15 mph
ENE
Thursday
Oct 22
Sunny
86°F
9 mph
ENE
Thursday Night
Oct 22
Partly Cloudy
72°F
9 mph
ENE
Friday
Oct 23
Mostly Cloudy
86°F
7 mph
ENE
Friday Night
Oct 23
Mostly Cloudy
74°F
8 mph
NE
Saturday
Oct 24
Mostly Sunny
86°F
9 mph
NE
Saturday Night
Oct 24
Mostly Cloudy
74°F
9 mph
NE
Sunday
Oct 25
Partly Sunny
85°F
10 mph
NE
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.