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

Weather in Keaau, Hawaii

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

Keaau, HI
Sunday, May 17 at 5:12 AM
76
°
Mostly Clear
Feels like
78°
Humidity
66%
Wind
7 mph
Sunrise
5:43 AM
Sunset
6:48 PM
Keaau, HI
Hour by hour · 24h
73°
100%
7p
72°
100%
8p
71°
95%
9p
70°
88%
10p
70°
84%
11p
69°
85%
12a
69°
88%
1a
69°
90%
2a
69°
88%
3a
69°
84%
4a
69°
80%
5a
68°
76%
6a
71°
73%
7a
74°
73%
8a
75°
80%
9a
78°
90%
10a
80°
98%
11a
81°
100%
12p
80°
99%
1p
76°
98%
2p
76°
100%
3p
75°
100%
4p
74°
100%
5p
74°
90%
6p
L 68°H 81°
Keaau, HI
7-day forecast
  1. Today
    May 16
    Light Showers
    100%
    82°68°
  2. Sunday
    May 17
    Light Rain
    100%
    79°68°
  3. Monday
    May 18
    Drizzle
    100%
    77°71°
  4. Tuesday
    May 19
    Drizzle
    97%
    78°68°
  5. Wednesday
    May 20
    Light Rain
    100%
    78°68°
  6. Thursday
    May 21
    Light Rain
    100%
    77°68°
  7. Friday
    May 22
    Light Drizzle
    95%
    75°68°
Keaau, HI
Anemometer · 24h winds · from true
NESW
From · True
SSE
156° · backing 73°
Direction
SSE
156°
Sustained
7
mph
Gust
15
mph
Peak 24h
21
avg 5
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 5 · pk 21 @ 5:00p
−24h−18h−12h−6hnow
Light breeze backing 73° from the sse.
Keaau, HI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
999.3
-1.9 mb in 3h · falling · 29.51 inHg
Now
999.3
mb
3h
-1.9
mb
12h
+0.8
mb
24h
+0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9991002
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Keaau, HI
Air quality
15
AQI
Good
PM 2.5
2.1 μg/m³
PM 10
2.9 μg/m³
NO₂
1.8 μg/m³
Ozone
31.0 μg/m³
UV Index
0.0 Low
Keaau, HI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
3:22 PM
Sunrise
5:43 AM
Daylight
13h 05m
Sunset
6:48 PM
Civil dusk
5:13 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Keaau, HI
The moon
New Moon
0% illuminated
Moonrise
4:20 PM
Moonset
5:14 AM
In sign
♊︎ Gemini
Keaau, 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 →

Keaau at a glance

  • Today vs. normal: 16°F below the seasonal normal for this latitude
  • Last frost: December 15 (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 Keaau

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.