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

Weather in Rio Rico, Arizona

Saguaro crowns open white. Day 59 of spring. Read this microseason across nine climate regions →

Rio Rico, AZ
Sunday, May 17 at 12:39 AM
86
°
Clear
Feels like
74°
Humidity
12%
Wind
19 mph
Sunrise
5:26 AM
Sunset
7:14 PM
Rio Rico, AZ
Hour by hour · 24h
89°
5p
86°
6p
84°
7p
81°
8p
78°
9p
74°
10p
73°
11p
70°
12a
68°
1a
66°
2a
63°
3a
60°
4a
58°
5a
57°
6a
62°
7a
70°
8a
76°
9a
81°
10a
83°
11a
86°
12p
89°
1p
90°
2p
90°
3p
89°
4p
L 57°H 90°
Rio Rico, AZ
7-day forecast
  1. Today
    May 16
    Clear
    90°57°
  2. Sunday
    May 17
    Clear
    85°59°
  3. Monday
    May 18
    Overcast
    81°55°
  4. Tuesday
    May 19
    Overcast
    84°55°
  5. Wednesday
    May 20
    Overcast
    86°63°
  6. Thursday
    May 21
    Overcast
    86°59°
  7. Friday
    May 22
    Partly Cloudy
    87°58°
Rio Rico, AZ
Anemometer · 24h winds · from true
NESW
From · True
SW
233° · veering 98°
Direction
SW
233°
Sustained
19
mph
Gust
24
mph
Peak 24h
24
avg 10
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 10 · pk 24 @ 5:00p
−24h−18h−12h−6hnow
A fresh breeze drives the sw-bound air across the harbor.
Rio Rico, AZ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
893.5
+1.6 mb in 3h · falling · 26.39 inHg
Now
893.5
mb
3h
+1.6
mb
12h
-3.7
mb
24h
0.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 890897
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Rio Rico, AZ
Air quality
75
AQI
Moderate
PM 2.5
2.8 μg/m³
PM 10
6.1 μg/m³
NO₂
0.3 μg/m³
Ozone
118.0 μg/m³
UV Index
1.4 Low
Rio Rico, AZ
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
12:01 PM
Sunrise
5:26 AM
Daylight
13h 48m
Sunset
7:14 PM
Civil dusk
2:41 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Rio Rico, AZ
The moon
New Moon
0% illuminated
Moonrise
12:45 PM
Moonset
2:40 AM
In sign
♉︎ Taurus
Rio Rico, AZ
Microseason · 28 of 72
May 16–20

Saguaro crowns open white

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Rio Rico at a glance

  • Today vs. normal: 6°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 17, 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 Rio Rico

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.