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

Sierra Vista, Arizona Weather

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

Sierra Vista weather forecast — hour by hour, 7-day outlook, NOAA radar

Sierra Vista, AZ
Sunday, July 5 at 10:20 AM
92
°
Clear
Feels like
90°
Humidity
10%
Wind
4 mph
Sunrise
10:21 PM
Sunset
12:29 PM
Sierra Vista, AZ
Hour by hour · 24h
24-Hour ForecastSierra Vista, AZ: 24-hour forecast. Temperatures range from 75 to 99 degrees Fahrenheit.
L 75°H 99°
Sierra Vista, AZ
7-day forecast
  1. Today
    Jul 5
    Overcast
    99°77°
  2. Monday
    Jul 6
    Overcast
    11%
    98°75°-1°
  3. Tuesday
    Jul 7
    Light Drizzle
    37%
    97°74°-1°
  4. Wednesday
    Jul 8
    Light Drizzle
    32%
    0.01″
    97°71°
  5. Thursday
    Jul 9
    Light Showers
    32%
    97°70°
  6. Friday
    Jul 10
    Light Drizzle
    32%
    95°69°-2°
  7. Saturday
    Jul 11
    Light Drizzle
    40%
    95°71°
Sierra Vista, AZ
Anemometer · 24h winds · from true
NESW
From · True
ENE
059° · veering 55°
Direction
ENE
059°
Sustained
4
mph
Gust
4
mph
Peak 24h
21
avg 7
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 7 · pk 21 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 207SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Sierra Vista, AZ
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
865.6
+2.6 mb in 3h · rising rapidly · 25.56 inHg
Now
865.6
mb
3h
+2.6
mb
12h
+3.3
mb
24h
-0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 861867
855860865870875-21h-18h-15h-12h-9h-6h-3h-24hNOW866.7861.0865.5
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Sierra Vista, AZ
Air quality
33
AQI
Good
-4 in 6hPeak ~48 @ 11 PM

AQI 33 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±4 points). Ozone at AQI 48 now. With UV 9.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 62 around 1 PM.

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

PM 2.5Good
7.7μg/m³
PM 10Good
15μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
101μg/m³
UV IndexHigh
6.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 48 now. With UV 9.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 62 around 1 PM.

Present
AQI 48
UV peak
9.6 at 1 PM
Sky at peak
clear
Projected peak
AQI 62

PM × Wind × Precip

PM2.5 at 7.7 µg/m³, PM10 at 14.5 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.53
Wind
calm
Recent rain
0h in last 6h
Pattern
background
Sierra Vista, AZ
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
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
17:20 UTC · Sierra Vista, 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
17:20 UTC · Sierra Vista, AZ · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Sierra Vista, AZ
Satellite · infrared · animated
Sierra Vista, AZ
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Sierra Vista, AZ
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:54 AM
Sunrise
10:21 PM
Daylight
14h 08m
Sunset
12:29 PM
Civil dusk
7:59 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Sierra Vista, AZ
The moon
Waning Gibbous
71% illuminated
Moonrise
10:36 PM
Moonset
10:39 AM
In sign
♓︎ Pisces
Sierra Vista, AZ
Microseason
Jul 1–5

The monsoon settles in

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Sierra Vista at a glance

  • Today vs. normal: 12°F above the seasonal normal for this latitude
  • Last frost: February 24 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 85635, 85650

16-Day Forecast — Sierra Vista

  1. Sun99°77°2%
  2. Mon98°75°11%
  3. Tue97°74°37%
  4. Wed97°71°32%
  5. Thu97°70°32%
  6. Fri95°69°32%
  7. Sat95°71°40%
  8. Sun96°70°30%
  9. Mon92°72°34%
  10. Tue85°70°33%
  11. Wed91°69°27%
  12. Thu97°71°32%
  13. Fri99°76°30%
  14. Sat101°78°39%
  15. Sun102°78°39%
  16. Mon102°75°35%

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

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 — Sierra Vista

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

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

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.

ZIP codes in Sierra Vista

  • 85650
  • 85635
  • 85613
  • 85670

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.