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

Glendora, California Weather

Summer solstice light stretched thin. Day 86 of spring. Read this microseason across nine climate regions →

Glendora weather forecast — hour by hour, 7-day outlook, NOAA radar

Glendora, CA
Saturday, June 13 at 1:16 AM
66
°
Mostly Clear
Feels like
70°
Humidity
92%
Wind
1 mph
Sunrise
10:39 PM
Sunset
1:03 PM
Glendora, CA
Hour by hour · 24h
24-Hour ForecastGlendora, CA: 24-hour forecast. Temperatures range from 62 to 90 degrees Fahrenheit.
L 62°H 90°
Glendora, CA
7-day forecast
  1. Today
    Jun 13
    Foggy
    90°62°
  2. Sunday
    Jun 14
    Foggy
    89°59°-1°
  3. Monday
    Jun 15
    Mostly Clear
    90°72°+1°
  4. Tuesday
    Jun 16
    Clear
    90°73°
  5. Wednesday
    Jun 17
    Clear
    89°72°-1°
  6. Thursday
    Jun 18
    Clear
    89°71°
  7. Friday
    Jun 19
    Clear
    90°72°+1°
Glendora, CA
Anemometer · 24h winds · from true
NESW
From · True
WSW
256° · steady
Direction
WSW
256°
Sustained
1
mph
Gust
1
mph
Peak 24h
12
avg 5
Beaufort · 1 · LIGHT AIR
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 12 @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 132SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Glendora, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
977.1
-0.6 mb in 3h · falling · 28.85 inHg
Now
977.1
mb
3h
-0.6
mb
12h
-0.6
mb
24h
+0.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 976978
970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW978.1975.9977.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Glendora, CA
Air quality
62
AQI
Moderate
-7 in 6h

AQI 62 (Moderate), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 14.3 µg/m³ (AQI 61) with a 0.80 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERModerate
14.3μg/m³
PM 10Good
18μg/m³
NO₂Moderate
29μg/m³
OzoneGood
29μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 14.3 µg/m³ (AQI 61) with a 0.80 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.80
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Glendora, CA
Sky cover · visibility · 24h
Cloud cover
29%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
26.3mi
UNLIMITED
144 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
08:16 UTC · Glendora, CA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
08:16 UTC · Glendora, CA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Glendora, CA
Satellite · infrared · animated
Glendora, CA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Glendora, CA
Almanac · Saturday, June 13
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
5:11 AM
Sunrise
10:39 PM
Daylight
14h 24m
Sunset
1:03 PM
Civil dusk
8:34 PM
Planting note
Prune spring-blooming shrubs after flowers fade.
Glendora, CA
The moon
Waning Crescent
4% illuminated
Moonrise
3:56 AM
Moonset
5:59 PM
In sign
♉︎ Taurus
Glendora, CA
Microseason
Jun 11–15

Summer solstice light stretched thin

plant
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Glendora at a glance

  • Today vs. normal: 15°F below the seasonal normal for this latitude
  • Last frost: March 12 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Prune spring-blooming shrubs after flowers fade.

15-Day Forecast — Glendora

  1. Sat90°62°0%
  2. Sun89°59°0%
  3. Mon90°72°0%
  4. Tue90°73°0%
  5. Wed89°72°1%
  6. Thu89°71°0%
  7. Fri90°72°0%
  8. Sat86°69°0%
  9. Sun81°65°0%
  10. Mon82°64°0%
  11. Tue90°70°0%
  12. Wed95°74°0%
  13. Thu104°80°0%
  14. Fri110°88°3%
  15. Sat103°86°0%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Glendora

Right now in the garden

Peak growing season

As of June 13, 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 Glendora

  • 91740
  • 91741

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.