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

Weather in Volcano, Hawaii

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

Volcano, HI
Sunday, May 17 at 2:51 AM
67
°
Clear
Feels like
65°
Humidity
61%
Wind
6 mph
Sunrise
5:45 AM
Sunset
6:49 PM
Volcano, HI
Hour by hour · 24h
60°
99%
4p
59°
98%
5p
58°
100%
6p
57°
100%
7p
57°
100%
8p
57°
92%
9p
57°
80%
10p
57°
69%
11p
57°
59%
12a
57°
48%
1a
57°
41%
2a
57°
38%
3a
56°
37%
4a
55°
37%
5a
56°
35%
6a
57°
34%
7a
57°
39%
8a
61°
56%
9a
61°
79%
10a
62°
96%
11a
64°
100%
12p
65°
100%
1p
59°
100%
2p
60°
100%
3p
L 55°H 65°
Volcano, HI
7-day forecast
  1. Today
    May 16
    Heavy Rain
    100%
    66°55°
  2. Sunday
    May 17
    Light Rain
    100%
    67°55°
  3. Monday
    May 18
    Rain
    100%
    63°58°
  4. Tuesday
    May 19
    Rain
    99%
    66°55°
  5. Wednesday
    May 20
    Light Rain
    96%
    63°56°
  6. Thursday
    May 21
    Light Rain
    100%
    60°55°
  7. Friday
    May 22
    Drizzle
    91%
    60°52°
Volcano, HI
Anemometer · 24h winds · from true
NESW
From · True
SSW
193° · backing 133°
Direction
SSW
193°
Sustained
6
mph
Gust
15
mph
Peak 24h
26
avg 4
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 4 · pk 26 @ 2:00p
−24h−18h−12h−6hnow
Light breeze backing 133° from the ssw.
Volcano, HI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
870.2
-1.2 mb in 3h · falling · 25.70 inHg
Now
870.2
mb
3h
-1.2
mb
12h
-0.5
mb
24h
+2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 868872
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Volcano, HI
Air quality
17
AQI
Good
PM 2.5
1.0 μg/m³
PM 10
1.4 μg/m³
NO₂
0.4 μg/m³
Ozone
33.0 μg/m³
UV Index
1.3 Low
Volcano, HI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
3:23 PM
Sunrise
5:45 AM
Daylight
13h 04m
Sunset
6:49 PM
Civil dusk
5:14 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Volcano, HI
The moon
New Moon
0% illuminated
Moonrise
4:21 PM
Moonset
5:15 AM
In sign
♊︎ Gemini
Volcano, 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 →

Volcano at a glance

  • Today vs. normal: 25°F below the seasonal normal for this latitude
  • Last frost: December 14 (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 Volcano

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.