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

Weather in Arcadia, California

Fog and sun in daily rhythm. Day 59 of spring. Read this microseason across nine climate regions →

Arcadia, CA
Sunday, May 17 at 12:47 AM
68
°
Partly Cloudy
Feels like
66°
Humidity
67%
Wind
9 mph
Sunrise
5:49 AM
Sunset
7:47 PM
Arcadia, CA
Hour by hour · 24h
77°
5p
75°
6p
71°
7p
68°
8p
65°
9p
63°
10p
62°
11p
61°
12a
61°
1a
60°
2a
60°
3a
60°
4a
60°
5a
60°
6a
60°
7a
61°
8a
60°
9a
61°
10a
63°
11a
63°
12p
66°
1p
69°
2p
71°
3p
73°
4p
L 60°H 77°
Arcadia, CA
7-day forecast
  1. Today
    May 16
    Overcast
    76°62°
  2. Sunday
    May 17
    Overcast
    77°59°
  3. Monday
    May 18
    Overcast
    81°56°
  4. Tuesday
    May 19
    Overcast
    85°64°
  5. Wednesday
    May 20
    Overcast
    84°68°
  6. Thursday
    May 21
    Overcast
    83°63°
  7. Friday
    May 22
    Clear
    84°65°
Arcadia, CA
Anemometer · 24h winds · from true
NESW
From · True
WSW
245° · backing 70°
Direction
WSW
245°
Sustained
9
mph
Gust
11
mph
Peak 24h
15
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
avg 5 · pk 15 @ 5:00p
−24h−18h−12h−6hnow
Light breeze backing 70° from the wsw.
Arcadia, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
992.3
+0.1 mb in 3h · falling · 29.30 inHg
Now
992.3
mb
3h
+0.1
mb
12h
-2.8
mb
24h
-2.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 991995
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Arcadia, CA
Air quality
57
AQI
Moderate
PM 2.5
15.2 μg/m³
PM 10
23.7 μg/m³
NO₂
4.2 μg/m³
Ozone
120.0 μg/m³
UV Index
1.9 Low
Arcadia, CA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:23 PM
Sunrise
5:49 AM
Daylight
13h 58m
Sunset
7:47 PM
Civil dusk
3:16 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Arcadia, CA
The moon
New Moon
0% illuminated
Moonrise
1:05 PM
Moonset
3:17 AM
In sign
♉︎ Taurus
Arcadia, CA
Microseason · 28 of 72
May 16–20

Fog and sun in daily rhythm

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Arcadia at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: March 12 (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 Arcadia

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.