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

Weather in Casa Grande, Arizona

Saguaro crowns open white. Day 58 of spring. Read this microseason across nine climate regions →

Casa Grande, AZ
Saturday, May 16 at 11:43 PM
96
°
Clear
Feels like
87°
Humidity
9%
Wind
13 mph
Sunrise
5:26 AM
Sunset
7:20 PM
Casa Grande, AZ
Hour by hour · 24h
99°
4p
99°
5p
96°
6p
92°
7p
89°
8p
85°
9p
82°
10p
77°
11p
75°
12a
73°
1a
72°
2a
71°
3a
68°
4a
66°
5a
65°
6a
72°
7a
79°
8a
83°
9a
86°
10a
89°
11a
91°
12p
93°
1p
94°
2p
93°
3p
L 65°H 99°
Casa Grande, AZ
7-day forecast
  1. Today
    May 16
    Clear
    96°67°
  2. Sunday
    May 17
    Partly Cloudy
    92°63°
  3. Monday
    May 18
    Overcast
    88°60°
  4. Tuesday
    May 19
    Overcast
    89°66°
  5. Wednesday
    May 20
    Overcast
    92°71°
  6. Thursday
    May 21
    Overcast
    93°71°
  7. Friday
    May 22
    Clear
    96°69°
Casa Grande, AZ
Anemometer · 24h winds · from true
NESW
From · True
SW
234° · veering 36°
Direction
SW
234°
Sustained
13
mph
Gust
19
mph
Peak 24h
26
avg 9
Beaufort · 4 · MOD 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 9 · pk 26 @ 7:00p
−24h−18h−12h−6hnow
A fresh breeze drives the sw-bound air across the harbor.
Casa Grande, AZ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
955.6
-0.4 mb in 3h · steady · 28.22 inHg
Now
955.6
mb
3h
-0.4
mb
12h
-4.7
mb
24h
-4.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 955961
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Casa Grande, AZ
Air quality
52
AQI
Moderate
PM 2.5
4.3 μg/m³
PM 10
21.7 μg/m³
NO₂
0.3 μg/m³
Ozone
120.0 μg/m³
UV Index
3.3 Moderate
Casa Grande, AZ
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:01 PM
Sunrise
5:26 AM
Daylight
13h 54m
Sunset
7:20 PM
Civil dusk
2:48 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Casa Grande, AZ
The moon
New Moon
0% illuminated
Moonrise
11:55 AM
Moonset
1:34 AM
In sign
♉︎ Taurus
Casa Grande, AZ
Microseason · 28 of 72
May 16–20

Saguaro crowns open white

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Casa Grande at a glance

  • Today vs. normal: 17°F above the seasonal normal for this latitude
  • Last frost: March 4 (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.

ZIP codes in Casa Grande

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.