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

Weather in Kailua, Hawaii

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

Kailua, HI
Sunday, May 17 at 2:58 AM
75
°
Drizzle
Feels like
80°
Humidity
87%
Wind
6 mph
Sunrise
5:52 AM
Sunset
7:02 PM
Kailua, HI
Hour by hour · 24h
77°
82%
4p
75°
86%
5p
74°
91%
6p
72°
96%
7p
73°
100%
8p
71°
100%
9p
71°
100%
10p
71°
100%
11p
72°
99%
12a
72°
98%
1a
73°
94%
2a
73°
87%
3a
72°
77%
4a
71°
69%
5a
69°
62%
6a
72°
57%
7a
77°
57%
8a
76°
68%
9a
78°
85%
10a
79°
98%
11a
81°
100%
12p
81°
100%
1p
77°
100%
2p
75°
100%
3p
L 69°H 81°
Kailua, HI
7-day forecast
  1. Today
    May 16
    Drizzle
    99%
    80°72°
  2. Sunday
    May 17
    Heavy Drizzle
    93%
    82°72°
  3. Monday
    May 18
    Light Rain
    80%
    80°73°
  4. Tuesday
    May 19
    Light Drizzle
    74%
    80°73°
  5. Wednesday
    May 20
    Drizzle
    78%
    79°73°
  6. Thursday
    May 21
    Light Rain
    82%
    79°74°
  7. Friday
    May 22
    Drizzle
    83%
    77°72°
Kailua, HI
Anemometer · 24h winds · from true
NESW
From · True
ENE
065° · backing 21°
Direction
ENE
065°
Sustained
6
mph
Gust
18
mph
Peak 24h
24
avg 7
Beaufort · 2 · LIGHT BRZ
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 7 · pk 24 @ 11:00a
−24h−18h−12h−6hnow
Light breeze backing 21° from the ene.
Kailua, HI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1015.2
-3.6 mb in 3h · falling · 29.98 inHg
Now
1015.2
mb
3h
-3.6
mb
12h
-0.5
mb
24h
+1.3
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10141019
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Kailua, HI
Air quality
30
AQI
Good
PM 2.5
4.6 μg/m³
PM 10
7.8 μg/m³
NO₂
0.6 μg/m³
Ozone
57.0 μg/m³
UV Index
3.1 Moderate
Kailua, HI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
3:29 PM
Sunrise
5:52 AM
Daylight
13h 10m
Sunset
7:02 PM
Civil dusk
5:27 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Kailua, HI
The moon
New Moon
0% illuminated
Moonrise
4:27 PM
Moonset
5:30 AM
In sign
♊︎ Gemini
Kailua, 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 →

Kailua at a glance

  • Today vs. normal: 15°F below the seasonal normal for this latitude
  • Last frost: December 25 (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 Kailua

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.