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

Weather in Rillito, Arizona

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

Rillito, AZ
Saturday, May 16 at 11:40 PM
95
°
Clear
Feels like
83°
Humidity
9%
Wind
16 mph
Sunrise
5:25 AM
Sunset
7:16 PM
Rillito, AZ
Hour by hour · 24h
98°
4p
98°
5p
95°
6p
91°
7p
88°
8p
85°
9p
81°
10p
79°
11p
76°
12a
75°
1a
72°
2a
70°
3a
68°
4a
66°
5a
67°
6a
72°
7a
77°
8a
81°
9a
85°
10a
87°
11a
88°
12p
90°
1p
92°
2p
92°
3p
L 66°H 98°
Rillito, AZ
7-day forecast
  1. Today
    May 16
    Clear
    96°67°
  2. Sunday
    May 17
    Clear
    91°65°
  3. Monday
    May 18
    Mostly Clear
    86°61°
  4. Tuesday
    May 19
    Overcast
    88°63°
  5. Wednesday
    May 20
    Overcast
    90°67°
  6. Thursday
    May 21
    Overcast
    92°67°
  7. Friday
    May 22
    Clear
    95°67°
Rillito, AZ
Anemometer · 24h winds · from true
NESW
From · True
W
261° · backing 156°
Direction
W
261°
Sustained
16
mph
Gust
20
mph
Peak 24h
25
avg 10
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 10 · pk 25 @ 6:00p
−24h−18h−12h−6hnow
A fresh breeze drives the w-bound air across the harbor.
Rillito, AZ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
935.4
+0.2 mb in 3h · steady · 27.62 inHg
Now
935.4
mb
3h
+0.2
mb
12h
-3.5
mb
24h
-3.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 935940
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Rillito, AZ
Air quality
57
AQI
Moderate
PM 2.5
2.9 μg/m³
PM 10
8.2 μg/m³
NO₂
0.2 μg/m³
Ozone
120.0 μg/m³
UV Index
3.3 Moderate
Rillito, AZ
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
12:00 PM
Sunrise
5:25 AM
Daylight
13h 51m
Sunset
7:16 PM
Civil dusk
2:44 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Rillito, AZ
The moon
New Moon
0% illuminated
Moonrise
11:54 AM
Moonset
1:30 AM
In sign
♉︎ Taurus
Rillito, 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 →

Rillito at a glance

  • Today vs. normal: 16°F above the seasonal normal for this latitude
  • Last frost: March 1 (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 Rillito

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.