Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Kapaau, Hawaii

Flowers spill across the islands. Day 59 of spring. Read this microseason across nine climate regions →

Kapaau, HI
Sunday, May 17 at 2:48 AM
81
°
Clear
Feels like
87°
Humidity
64%
Wind
1 mph
Sunrise
5:46 AM
Sunset
6:53 PM
Kapaau, HI
Hour by hour · 24h
77°
99%
4p
76°
98%
5p
75°
100%
6p
74°
100%
7p
74°
96%
8p
74°
78%
9p
73°
53%
10p
73°
33%
11p
73°
22%
12a
73°
15%
1a
73°
10%
2a
73°
3a
73°
4a
72°
5a
73°
6a
75°
10%
7a
78°
12%
8a
80°
9a
81°
10a
82°
11a
81°
12%
12p
81°
32%
1p
79°
49%
2p
78°
63%
3p
L 72°H 82°
Kapaau, HI
7-day forecast
  1. Today
    May 16
    Light Drizzle
    35%
    83°72°
  2. Sunday
    May 17
    Light Drizzle
    47%
    82°73°
  3. Monday
    May 18
    Light Drizzle
    57%
    80°74°
  4. Tuesday
    May 19
    Light Drizzle
    69%
    80°73°
  5. Wednesday
    May 20
    Light Drizzle
    99%
    79°72°
  6. Thursday
    May 21
    Drizzle
    99%
    76°70°
  7. Friday
    May 22
    Light Drizzle
    95%
    76°70°
Kapaau, HI
Anemometer · 24h winds · from true
NESW
From · True
WSW
240° · veering 124°
Direction
WSW
240°
Sustained
1
mph
Gust
15
mph
Peak 24h
30
avg 8
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 · pk 30 @ 1:00a
−24h−18h−12h−6hnow
Light breeze veering 124° from the wsw.
Kapaau, HI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
998.3
-3.2 mb in 3h · falling · 29.48 inHg
Now
998.3
mb
3h
-3.2
mb
12h
-0.9
mb
24h
+0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9971002
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Kapaau, HI
Air quality
23
AQI
Good
PM 2.5
2.8 μg/m³
PM 10
4.8 μg/m³
NO₂
0.3 μg/m³
Ozone
43.0 μg/m³
UV Index
2.9 Low
Kapaau, HI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
3:24 PM
Sunrise
5:46 AM
Daylight
13h 07m
Sunset
6:53 PM
Civil dusk
5:17 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Kapaau, HI
The moon
New Moon
0% illuminated
Moonrise
4:21 PM
Moonset
5:19 AM
In sign
♊︎ Gemini
Kapaau, HI
Microseason · 28 of 72
May 16–20

Flowers spill across the islands

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Kapaau at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: December 18 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Kapaau

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.