Waikapu, HI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waikapu, HI in one place.
Sunny, with a high near 76. North northeast wind 10 to 17 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Waikapu, 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 9:44 PM HST.
The active forecast window currently covers Jul 19 to Jul 25, 2026 for Waikapu, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 19 to Jul 25, 2026
- Latest sync
- Jul 18, 2026 9:44 PM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Waikapū
Sunday looks like the warmest upcoming period in Waikapū at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Friday at about 23 to 28 mph ENE.
The forecast from Jul 19 through Jul 25 stays mostly dry.
Forecast Details
- Last updated
- Jul 18, 2026 9:44 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 sourceExtended Forecast
Partly cloudy, with a low around 69. Northeast wind 8 to 15 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 76. Northeast wind 9 to 17 mph, with gusts as high as 24 mph.
Partly cloudy, with a low around 70. East northeast wind 12 to 15 mph, with gusts as high as 21 mph.
Partly sunny, with a high near 75. East northeast wind 14 to 20 mph, with gusts as high as 28 mph.
Partly cloudy, with a low around 70. East northeast wind around 21 mph, with gusts as high as 29 mph.
Mostly sunny, with a high near 75. East northeast wind around 22 mph, with gusts as high as 31 mph.
Mostly clear, with a low around 70. East northeast wind 18 to 23 mph, with gusts as high as 32 mph.
Mostly sunny, with a high near 75. East northeast wind 21 to 25 mph, with gusts as high as 36 mph.
Mostly clear, with a low around 69. East northeast wind 22 to 25 mph, with gusts as high as 36 mph.
Mostly sunny, with a high near 75. East northeast wind 23 to 28 mph, with gusts as high as 40 mph.
Partly cloudy, with a low around 69. North northeast wind 0 to 28 mph, with gusts as high as 40 mph.
Mostly sunny, with a high near 75. North northeast wind 0 to 21 mph, with gusts as high as 29 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 19
|
Sunny
|
76°F |
10 to 17 mph
NNE
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
69°F |
8 to 15 mph
NE
|
|
Monday
Jul 20
|
Mostly Sunny
|
76°F |
9 to 17 mph
NE
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
70°F |
12 to 15 mph
ENE
|
|
Tuesday
Jul 21
|
Partly Sunny
|
75°F |
14 to 20 mph
ENE
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
70°F |
21 mph
ENE
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
75°F |
22 mph
ENE
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
70°F |
18 to 23 mph
ENE
|
|
Thursday
Jul 23
|
Mostly Sunny
|
75°F |
21 to 25 mph
ENE
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
69°F |
22 to 25 mph
ENE
|
|
Friday
Jul 24
|
Mostly Sunny
|
75°F |
23 to 28 mph
ENE
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
69°F |
0 to 28 mph
NNE
|
|
Saturday
Jul 25
|
Mostly Sunny
|
75°F |
0 to 21 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waikapū.