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WeatherLive › Hawaii › Waikapū

Waikapū, HI Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherWaikapū · 5:20 PM HST
78° | 76°
77°F
Feels like 72°
Partly cloudy
WindE 19 mph · Gusts 22 mph
Precip43% · 0.02 in
Humidity74% · Dew point 68°
UV index13 Extreme
Air Quality46 Good
Pressure29.88 inHg
Visibility6 mi
Sunrise / Sunset6:10 AM · 6:40 PM · 12h 30m

Weather map — Waikapū

Full radar →
Now
77°
13%
19 mph
18:00
76°
10%
20 mph
19:00
76°
8%
19 mph
20:00
76°
7%
19 mph
21:00
76°
16%
18 mph
22:00
76°
19%
19 mph
23:00
76°
26%
19 mph
00:00
76°
29%
21 mph
01:00
75°
27%
21 mph
02:00
75°
22%
20 mph
03:00
75°
24%
19 mph
04:00
75°
26%
19 mph
05:00
75°
25%
19 mph
06:00
75°
22%
19 mph
07:00
75°
21%
18 mph
08:00
75°
24%
17 mph
09:00
76°
18%
20 mph
10:00
76°
19%
21 mph
11:00
77°
16%
20 mph
12:00
77°
14%
20 mph
13:00
77°
15%
19 mph
14:00
77°
14%
19 mph
15:00
77°
15%
17 mph
16:00
76°
17%
16 mph

Today · Thu 9/3

High 78°
43% / 0.02 in

Showers. Winds E at 22 mph.

Tonight · Thu 9/3

Low 75°
16% / –

Partly cloudy. Winds E at 18 mph.

Tomorrow · Fri 9/4

77° | 75°
60% / 0.06 in

Showers. Winds E at 21 mph.

7-day trend

Waikapū · temperature + precipitation

10-day forecast

Updated 5:20 PM

Details & indices

Wind
19 mph E
Gusts 22 mph
Humidity
74%
Dew point 68°
Pressure
29.88 inHg
Falling
UV index
13 — Extreme
High today
Air Quality
Good
AQI 46 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Waikapū

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:10 AM
Sunset6:40 PM
Length of day12h 30m
Moonrise11:29 PM
Moonset12:30 PM
Moon phase🌗 Last Quarter · 52%
Next full moonSep 26 Harvest Moon
Latitude20.8581°N
Longitude-156.5069°E

Water temps nearby

View all →
Wailea Beach, Maui (12 mi)82°
Kaanapali Beach, Maui (13 mi)81°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Poor
Dinner outdoors
Nearby places in {{REGION}}
Honolulu
Partly cloudy
78°
Data sources · Thursday, September 3
Where the Waikapū forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 20.8581°N, -156.5069°.
NBM + global weather models
Updated: 5:20 PM
Weather in Waikapū
Waikapū's outlook: warmest day near 81° (Tuesday), coldest night about 75° (Friday). About 0.84 in of precipitation is expected in total; the most likely wet day is Sunday (86% chance). Expect a blustery spell — gusts near 36 mph on Friday. Heads up: a Wind Advisory is in effect — check the alerts tab before making plans. Longer view: trade-wind climate — warm and steady year-round.
Waikapū, HI · Elev 482 ft · 20.86°N, 156.51°W · Hawaii · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:20 PM