Weather in Hilo, Hawaii
Flowers spill across the islands. Day 59 of spring. Read this microseason across nine climate regions →
Hilo, HI
Sunday, May 17 at 3:55 AM
77
°
Mostly Clear
Feels like
80°
Humidity
72%
Wind
8 mph
Sunrise
5:44 AM
Sunset
6:49 PM
Hilo, HI
Hour by hour · 24h
73°
100%
5p
72°
100%
6p
71°
100%
7p
70°
100%
8p
70°
95%
9p
69°
88%
10p
70°
84%
11p
69°
85%
12a
68°
88%
1a
69°
90%
2a
69°
88%
3a
69°
84%
4a
69°
80%
5a
69°
76%
6a
71°
73%
7a
73°
73%
8a
73°
80%
9a
75°
90%
10a
77°
98%
11a
78°
100%
12p
74°
99%
1p
74°
98%
2p
73°
100%
3p
73°
100%
4p
Hilo, HI
7-day forecast
- TodayMay 16Showers99%81°67°
- SundayMay 17Light Rain99%78°67°
- MondayMay 18Light Rain99%74°70°
- TuesdayMay 19Drizzle99%76°68°
- WednesdayMay 20Light Rain100%77°68°
- ThursdayMay 21Light Rain100%75°67°
- FridayMay 22Drizzle100%75°67°
Hilo, HI
Next 24 hours · Mild now
Hilo, HI
Anemometer · 24h winds · from true
From · True
ESE
121° · backing 152°
Direction
ESE
121°
Sustained
8
mph
Gust
18
mph
Peak 24h
20
avg 5
Beaufort · 3 · GENTLE 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
−24h−18h−12h−6hnow
Hilo, HI
Air quality
16
AQI
Good
- PM 2.5
- 1.3 μg/m³
- PM 10
- 1.7 μg/m³
- NO₂
- 0.6 μg/m³
- Ozone
- 33.0 μg/m³
- UV Index
- 0.3 Low
Hilo, HI
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
3:22 PM
Sunrise
5:44 AM
Daylight
13h 05m
Sunset
6:49 PM
Civil dusk
5:14 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hilo, HI
The moon
New Moon
0% illuminated
- Moonrise
- 4:20 PM
- Moonset
- 5:15 AM
- In sign
- ♊︎ Gemini
Hilo, HI
Microseason · 28 of 72
May 16–20
Flowers spill across the islands
bird
Hilo at a glance
- Today vs. normal: 15°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.