Weather in Round Rock, Arizona
Saguaro crowns open white. Day 58 of spring. Read this microseason across nine climate regions →
Round Rock, AZ
Saturday, May 16 at 10:39 PM
82
°
Clear
Feels like
69°
Humidity
9%
Wind
21 mph
Sunrise
6:09 AM
Sunset
8:18 PM
Round Rock, AZ
Hour by hour · 24h
83°
4p
82°
5p
82°
6p
80°
7p
76°
8p
70°
9p
66°
10p
63°
11p
61°
12a
60°
1a
59°
2a
58°
3a
58°
4a
57°
5a
55°
6a
57°
7a
65°
8a
71°
9a
74°
10a
77°
11a
79°
12p
81°
1p
82°
2p
83°
3p
Round Rock, AZ
7-day forecast
- TodayMay 16Mostly Clear—83°57°
- SundayMay 17Overcast—79°53°
- MondayMay 18Overcast30%66°53°
- TuesdayMay 19Overcast—69°46°
- WednesdayMay 20Overcast—75°51°
- ThursdayMay 21Overcast—79°56°
- FridayMay 22Clear—78°52°
Round Rock, AZ
Next 24 hours · Warm now
Round Rock, AZ
Anemometer · 24h winds · from true
From · True
WSW
252° · veering 92°
Direction
WSW
252°
Sustained
21
mph
Gust
25
mph
Peak 24h
30
avg 12
Beaufort · 5 · FRESH 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
Round Rock, AZ
Air quality
53
AQI
Moderate
- PM 2.5
- 2.3 μg/m³
- PM 10
- 5.9 μg/m³
- NO₂
- 0.2 μg/m³
- Ozone
- 128.0 μg/m³
- UV Index
- 5.7 Moderate
Round Rock, AZ
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
11:42 AM
Sunrise
6:09 AM
Daylight
14h 09m
Sunset
8:18 PM
Civil dusk
2:48 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Round Rock, AZ
The moon
New Moon
0% illuminated
- Moonrise
- 11:36 AM
- Moonset
- 1:33 AM
- In sign
- ♉︎ Taurus
Round Rock, AZ
Microseason · 28 of 72
May 16–20
Saguaro crowns open white
weather
Round Rock at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: March 26 (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
Warm-season window is open
As of May 16, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.