Weather in Fullerton, California
Fog and sun in daily rhythm. Day 58 of spring. Read this microseason across nine climate regions →
Fullerton, CA
Saturday, May 16 at 11:58 PM
70
°
Mostly Clear
Feels like
67°
Humidity
62%
Wind
11 mph
Sunrise
5:49 AM
Sunset
7:46 PM
Fullerton, CA
Hour by hour · 24h
75°
4p
74°
5p
71°
6p
68°
7p
66°
8p
64°
9p
62°
10p
61°
11p
60°
12a
60°
1a
61°
2a
61°
3a
61°
4a
61°
5a
62°
6a
62°
7a
62°
8a
63°
9a
64°
10a
65°
11a
65°
12p
70°
1p
71°
2p
74°
3p
Fullerton, CA
7-day forecast
- TodayMay 16Overcast—75°58°
- SundayMay 17Overcast—75°55°
- MondayMay 18Overcast—80°53°
- TuesdayMay 19Overcast—84°62°
- WednesdayMay 20Overcast—80°64°
- ThursdayMay 21Overcast—79°63°
- FridayMay 22Clear—81°63°
Fullerton, CA
Next 24 hours · Mild now
Fullerton, CA
Anemometer · 24h winds · from true
From · True
SW
228° · backing 38°
Direction
SW
228°
Sustained
11
mph
Gust
13
mph
Peak 24h
14
avg 6
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
Fullerton, CA
Air quality
57
AQI
Moderate
- PM 2.5
- 15.3 μg/m³
- PM 10
- 23.9 μg/m³
- NO₂
- 3.9 μg/m³
- Ozone
- 122.0 μg/m³
- UV Index
- 3.5 Moderate
Fullerton, CA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:23 PM
Sunrise
5:49 AM
Daylight
13h 57m
Sunset
7:46 PM
Civil dusk
3:15 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Fullerton, CA
The moon
New Moon
0% illuminated
- Moonrise
- 12:18 PM
- Moonset
- 2:03 AM
- In sign
- ♉︎ Taurus
Fullerton, CA
Microseason · 28 of 72
May 16–20
Fog and sun in daily rhythm
weather
Fullerton at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: March 10 (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 16, 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.