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Catalina Foothills, Arizona Weather

The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →

Catalina Foothills weather forecast — hour by hour, 7-day outlook, NOAA radar

Catalina Foothills, AZ
Sunday, July 5 at 6:03 AM
81
°
Overcast
Feels like
74°
Humidity
12%
Wind
4 mph
Sunrise
10:22 PM
Sunset
12:34 PM
Catalina Foothills, AZ
Hour by hour · 24h
24-Hour ForecastCatalina Foothills, AZ: 24-hour forecast. Temperatures range from 81 to 105 degrees Fahrenheit.
L 81°H 105°
Catalina Foothills, AZ
7-day forecast
  1. Today
    Jul 5
    Overcast
    —
    —
    105°80°—
  2. Monday
    Jul 6
    Overcast
    —
    —
    105°82°0°
  3. Tuesday
    Jul 7
    Light Drizzle
    11%
    —
    105°87°0°
  4. Wednesday
    Jul 8
    Drizzle
    13%
    —
    103°82°-2°
  5. Thursday
    Jul 9
    Drizzle
    26%
    —
    103°78°0°
  6. Friday
    Jul 10
    Light Drizzle
    23%
    —
    100°77°-3°
  7. Saturday
    Jul 11
    Light Drizzle
    23%
    —
    100°79°0°
Catalina Foothills, AZ
Next 24 hours · Warm now
HOT 90°75°93°110°12a6a12p6pnow 81°high 105°low 81°
Catalina Foothills, AZ
Anemometer · 24h winds · from true
NESW
From · True
SE
144° · veering 41°
Direction
SE
144°
Sustained
4
mph
Gust
5
mph
Peak 24h
23
avg 8
Beaufort · 2 · LIGHT 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 8 · pk 23 @ 9:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 253SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Catalina Foothills, AZ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
918.3
+0.9 mb in 3h · rising · 27.12 inHg
Now
918.3
mb
3h
+0.9
mb
12h
-0.8
mb
24h
-1.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 917–923
910915920925930-21h-18h-15h-12h-9h-6h-3h-24hNOW922.7917.4918.3
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Catalina Foothills, AZ
Air quality
41
AQI
Good
→0 in 6h

AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.3 µg/m³, PM10 at 28.6 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERModerate
13.3μg/m³
PM 10Good
29μg/m³
NO₂Good
8μg/m³
OzoneGood
41μg/m³
UV IndexLow
0.1

What's driving it

PM × Wind × Precip

PM2.5 at 13.3 µg/m³, PM10 at 28.6 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.47
Wind
calm
Recent rain
0h in last 6h
Pattern
background

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³300
Catalina Foothills, AZ
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
183.5mi
UNLIMITED
185 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
13:03 UTC · Catalina Foothills, AZ · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
13:03 UTC · Catalina Foothills, AZ · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Catalina Foothills, AZ
Satellite · infrared · animated
Catalina Foothills, AZ
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Catalina Foothills, AZ
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:55 AM
Sunrise
10:22 PM
Daylight
14h 12m
Sunset
12:34 PM
Civil dusk
8:03 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Catalina Foothills, AZ
The moon
Waning Gibbous
72% illuminated
Moonrise
10:38 PM
Moonset
10:41 AM
In sign
♓︎ Pisces
Catalina Foothills, AZ
Microseason
Jul 1–5

The monsoon settles in

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Catalina Foothills at a glance

  • Today vs. normal: 81°F — typical for the season
  • Last frost: March 1 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Catalina Foothills

  1. Sun105°80°4%
  2. Mon105°82°3%
  3. Tue105°87°11%
  4. Wed103°82°13%
  5. Thu103°78°26%
  6. Fri100°77°23%
  7. Sat100°79°23%
  8. Sun102°78°29%
  9. Mon101°87°29%
  10. Tue94°80°23%
  11. Wed98°79°31%
  12. Thu106°85°32%
  13. Fri109°91°23%
  14. Sat111°92°26%
  15. Sun106°91°30%
  16. Mon106°90°29%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Catalina Foothills

Right now in the garden

Peak growing season

As of July 5, 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.

SPC Convective Outlook

Storm Prediction Center — Catalina Foothills

SPC includes Catalina Foothills in the general thunderstorm area tomorrow — no severe risk, but storms are possible.

  • TODAYNONENo severe risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

January 1–5: Desert awakens in still light.January 6–10: Moisture lingers beneath the crust.January 11–15: First warmth breaks the shallow freeze.January 16–20: Quail begin their territorial chorus.January 21–25: Buds swell beneath the hard sun.January 26–31: Winter reaches its brightest point.February 1–5: Gold floods the bajada.February 6–10: Wildflower bloom spreads upslope.February 11–15: Hummingbirds stake territory claims.February 16–20: Sonoran wildflowers reach peak diversity.February 21–25: Rain clouds gather on the horizon.February 26–28: Late winter warmth intensifies.March 1–5: Green reaches from the roots upward.March 6–10: Desert creatures wake fully from dormancy.March 11–15: Saguaro flowers crown the desert.March 16–20: Caterpillars turn to wings.March 21–25: Equinox ignites the blooms.March 26–31: Saguaro crowns with flowers.April 1–5: Pre-monsoon heat begins.April 6–10: Brittlebush carpets the desert floor.April 11–15: Heat dome settles in hard.April 16–20: Saguaro fruit splits open red.April 21–25: Monsoon moisture approaches.April 26–30: Last frost recedes to memory.May 1–5: Monsoon signal fires light skies.May 6–10: First haboobs roll across.May 11–15: Heat reaches extremes daily.May 16–20: Saguaro crowns open white.May 21–25: Summer arrives in dust and lightning.May 26–31: Voices rise in monsoon dark.June 1–5: Heat hardens the dust.June 6–10: Monsoon shadows gather.June 11–15: The dry breath stills.June 16–20: The first anvil tops.June 21–25: Haboob rises from the basin.June 26–30: Monsoon doors creak open.July 1–5: The monsoon settles in.July 6–10: Verdant eruption.July 11–15: The lightning oracle speaks.July 16–20: Young raptors claim the thermal.July 21–25: Humidity weight.July 26–31: Storm chambers fruit.August 1–5: The monsoon exhales.August 6–10: The long drought renews.August 11–15: Currents turn cool and distant.August 16–20: Cicada chorus deepens.August 21–25: Monsoon's final breath.August 26–31: Heat begins to relent.September 1–5: Harvest moon over stone.September 6–10: Dew returns to the flats.September 11–15: Raptors ride the thermals.September 16–20: Equinox evening shadow.September 21–25: Thunder finally silent.September 26–30: Insects burrow deep.October 1–5: Desert dries to deep gold.October 6–10: Sandhill cranes return.October 11–15: Brittle beauty blooms.October 16–20: Frost paints stones white.October 21–25: First killing frost falls.October 26–31: Winter rains whisper in.November 1–5: Mesquite leaves turn gold.November 6–10: Ocotillo stands sentinel.November 11–15: First frost traces ridges.November 16–20: Saguaro stands naked.November 21–25: Pacific storms break the drought.November 26–30: North wind strips the way.December 1–5: Desert deepens into winter.December 6–10: True winter arrives.December 11–15: The shortest day looms.December 16–20: Solstice stillness settles.December 21–25: The sun turns north.December 26–31: Year's end in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

The monsoon settles in

Afternoon thunderstorms now daily ritual. Rains transform the desert green within 72 hours. Dust clears; air smells alive. Microburst winds flatten entire sections of mesquite.

Day 186 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
Marchlettuce, peas, spinach, radishes—
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash—
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
July—tomatoes, beans, summer squash
August—tomatoes, beans, summer squash
September—tomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots—
December——

A year in weather

In Catalina Foothills, July runs warmest near 87°F and December coldest around 51°F, while August is the wettest month (2.1 inches) and May the driest (0.0 inches).

MonthMean tempPrecipRainy days
January52°0.8″6
February54°1.0″6
March60°0.7″6
April68°0.3″3
May78°0.0″1
June87°0.1″2
July87°1.4″14
August84°2.1″17
September83°0.8″9
October73°0.3″2
November60°0.8″5
December51°1.4″7

Regional context

Drawing on NOAA NCEI 1991-2020 normals, Catalina Foothills's January averages 52°F and July 87°F — 36°F apart — while precipitation totals roughly 9.7 inches over some 78 days.

Catalina Foothills's precipitation spreads evenly: August peaks at 2.1 inches on 17.3 wet days, while May holds 0.0 inches over 1.1 — no month dominates Catalina Foothills's rain calendar. That lines Catalina Foothills up with places like Kleindale, AZ, Flowing Wells, AZ and Casas Adobes, AZ, fed by overlapping storm tracks.

Catalina Foothills rarely sees a hard freeze — its coldest month sits near 51°F — so planting spans most of the calendar. Heat peaks in July around 87°F, which confines cool-season crops to the shoulders of summer. Within Catalina Foothills, low or inland lots lose 3-5°F overnight versus Catalina Foothills's coastal ground.

Similar climates: Kleindale, AZ, Flowing Wells, AZ, Casas Adobes, AZ, Tanque Verde, AZ, South Tucson, AZ.

Frequently asked

When does it freeze in Catalina Foothills?
In Catalina Foothills, expect the last spring frost near mid-March; Catalina Foothills's first autumn frost comes around mid-December.
What is the rainy season in Catalina Foothills?
Catalina Foothills sees its heaviest rain in August (around 2.1 inches), part of roughly 10 inches a year.
What is the warmest month in Catalina Foothills?
July is Catalina Foothills's warmest month, averaging about 87°F.
What is the coldest month in Catalina Foothills?
Catalina Foothills bottoms out in December, with a mean near 51°F.
When can I start a vegetable garden in Catalina Foothills?
Frost-hardy sowings begin at mid-March in Catalina Foothills; warm-season starts follow two weeks on.
How many rainy days does Catalina Foothills get?
Catalina Foothills averages about 78 days with measurable rain or snow each year.
What hardiness zone is Catalina Foothills?
Catalina Foothills's hardiness zone tracks its winter low; with December near 51°F, check the USDA ZIP map for the exact zone.
What is the 10-day forecast for Catalina Foothills?
Catalina Foothills's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Catalina Foothills?
See this week's day-by-day rain chances for Catalina Foothills in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Catalina Foothills?
Current conditions for Catalina Foothills and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Catalina Foothills forecast updated?
The Catalina Foothills forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Catalina Foothills?
Today's sunrise and sunset times for Catalina Foothills are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Catalina Foothills?
The next few days in Catalina Foothills's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Catalina Foothills, Arizona has a hot desert climate: January averages roughly 52°F, July about 87°F, 35°F between them.

Rain and snow bring Catalina Foothills roughly 10 inches a year across approximately 78 measurable-precipitation days.

Latitude 32.3°N gives Catalina Foothills its 35°F swing, and with it the rhythm of Catalina Foothills's growing season.

All cities in Arizona →

Tucson, AZ weather →

ZIP codes in Catalina Foothills

  • 85750
  • 85715
  • 85718
  • 85728

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.