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

Weather in Waimalu, Hawaii

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

Waimalu, HI
Sunday, May 17 at 4:03 AM
74
°
Partly Cloudy
Feels like
80°
Humidity
87%
Wind
6 mph
Sunrise
5:52 AM
Sunset
7:03 PM
Waimalu, HI
Hour by hour · 24h
75°
94%
6p
72°
97%
7p
72°
98%
8p
72°
99%
9p
70°
98%
10p
71°
92%
11p
71°
76%
12a
71°
54%
1a
71°
37%
2a
69°
30%
3a
68°
28%
4a
68°
29%
5a
68°
32%
6a
70°
38%
7a
75°
47%
8a
79°
63%
9a
76°
83%
10a
76°
98%
11a
80°
100%
12p
82°
100%
1p
73°
100%
2p
73°
100%
3p
73°
100%
4p
72°
100%
5p
L 68°H 82°
Waimalu, HI
7-day forecast
  1. Today
    May 16
    Light Rain
    99%
    81°70°
  2. Sunday
    May 17
    Rain
    94%
    82°70°
  3. Monday
    May 18
    Light Drizzle
    78%
    80°71°
  4. Tuesday
    May 19
    Light Drizzle
    82%
    82°70°
  5. Wednesday
    May 20
    Light Drizzle
    100%
    80°69°
  6. Thursday
    May 21
    Light Drizzle
    98%
    80°71°
  7. Friday
    May 22
    Light Drizzle
    95%
    77°69°
Waimalu, HI
Anemometer · 24h winds · from true
NESW
From · True
NE
041° · veering 17°
Direction
NE
041°
Sustained
6
mph
Gust
19
mph
Peak 24h
21
avg 6
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 6 · pk 21 @ 3:00p
−24h−18h−12h−6hnow
Light breeze veering 17° from the ne.
Waimalu, HI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1008.8
-2.1 mb in 3h · falling · 29.79 inHg
Now
1008.8
mb
3h
-2.1
mb
12h
+0.6
mb
24h
+1.7
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10071012
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Waimalu, HI
Air quality
31
AQI
Good
PM 2.5
4.4 μg/m³
PM 10
7.0 μg/m³
NO₂
1.7 μg/m³
Ozone
56.0 μg/m³
UV Index
0.3 Low
Waimalu, HI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
3:30 PM
Sunrise
5:52 AM
Daylight
13h 11m
Sunset
7:03 PM
Civil dusk
5:28 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Waimalu, HI
The moon
New Moon
0% illuminated
Moonrise
4:28 PM
Moonset
5:30 AM
In sign
♊︎ Gemini
Waimalu, 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 →

Waimalu at a glance

  • Today vs. normal: 16°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 Waimalu

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.