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Weather in Arivaca, Arizona

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

Arivaca, AZ
Saturday, May 16 at 11:41 PM
85
°
Clear
Feels like
72°
Humidity
13%
Wind
21 mph
Sunrise
5:27 AM
Sunset
7:15 PM
Arivaca, AZ
Hour by hour · 24h
87°
4p
86°
5p
83°
6p
81°
7p
77°
8p
74°
9p
70°
10p
69°
11p
66°
12a
64°
1a
61°
2a
60°
3a
59°
4a
57°
5a
57°
6a
64°
7a
74°
8a
77°
9a
80°
10a
82°
11a
85°
12p
86°
1p
87°
2p
88°
3p
L 57°H 88°
Arivaca, AZ
7-day forecast
  1. Today
    May 16
    Clear
    88°53°
  2. Sunday
    May 17
    Clear
    83°55°
  3. Monday
    May 18
    Mostly Clear
    78°52°
  4. Tuesday
    May 19
    Overcast
    81°54°
  5. Wednesday
    May 20
    Overcast
    84°57°
  6. Thursday
    May 21
    Overcast
    85°59°
  7. Friday
    May 22
    Clear
    86°59°
Arivaca, AZ
Anemometer · 24h winds · from true
NESW
From · True
SW
233° · veering 56°
Direction
SW
233°
Sustained
21
mph
Gust
25
mph
Peak 24h
27
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
avg 12 · pk 27 @ 6:00p
−24h−18h−12h−6hnow
A fresh breeze drives the sw-bound air across the harbor.
Arivaca, AZ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
883.9
+2.5 mb in 3h · falling rapidly · 26.10 inHg
Now
883.9
mb
3h
+2.5
mb
12h
-2.3
mb
24h
+1.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 879887
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Arivaca, AZ
Air quality
66
AQI
Moderate
PM 2.5
3.0 μg/m³
PM 10
7.9 μg/m³
NO₂
0.2 μg/m³
Ozone
117.0 μg/m³
UV Index
3.3 Moderate
Arivaca, AZ
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:02 PM
Sunrise
5:27 AM
Daylight
13h 48m
Sunset
7:15 PM
Civil dusk
2:43 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Arivaca, AZ
The moon
New Moon
0% illuminated
Moonrise
11:56 AM
Moonset
1:29 AM
In sign
♉︎ Taurus
Arivaca, 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 →

Arivaca at a glance

  • Today vs. normal: 5°F above the seasonal normal for this latitude
  • Last frost: February 24 (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 Arivaca

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.