Glendale, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Glendale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——111°85°—
- MondayJul 6Overcast——109°84°-2°
- TuesdayJul 7Overcast——111°87°+2°
- WednesdayJul 8Clear——111°90°0°
- ThursdayJul 9Clear——111°93°0°
- FridayJul 10Overcast——108°87°-3°
- SaturdayJul 11Partly Cloudy——108°90°0°
AQI 55 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.0 µg/m³, PM10 at 25.4 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 8.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.
- Present
- AQI 35
- UV peak
- 8.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 37
PM × Wind × Precip
PM2.5 at 13.0 µg/m³, PM10 at 25.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.51
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:45 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Glendale at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 85301, 85302, 85303, 85304, 85305, 85306, 85307, 85308 +1 more
16-Day Forecast — Glendale
- Sun111°84°5%
- Mon109°84°2%
- Tue111°87°0%
- Wed111°90°0%
- Thu111°93°1%
- Fri108°87°2%
- Sat108°90°3%
- Sun109°88°11%
- Mon112°88°18%
- Tue105°83°17%
- Wed106°84°11%
- Thu111°92°23%
- Fri117°99°24%
- Sat116°103°32%
- Sun113°98°33%
- Mon117°96°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Glendale
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.
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
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
The year in Glendale tops out in July (~92°F) and dips lowest in December (~52°F), with February wettest at 1.3 inches and June driest at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 53° | 1.0″ | 2 |
| February | 56° | 1.3″ | 3 |
| March | 63° | 1.0″ | 2 |
| April | 70° | 0.3″ | 1 |
| May | 78° | 0.1″ | 0 |
| June | 87° | 0.0″ | 0 |
| July | 92° | 0.8″ | 2 |
| August | 91° | 1.0″ | 2 |
| September | 85° | 0.7″ | 1 |
| October | 73° | 0.6″ | 1 |
| November | 61° | 0.6″ | 1 |
| December | 52° | 0.9″ | 2 |
Regional context
In Glendale, NOAA NCEI 1991-2020 normals put January near 53°F and July near 92°F — a 39°F seasonal arc — with about 8.3 inches of precipitation over 18 rainy or snowy days.
Precipitation in Glendale peaks in the cool season: February averages 1.3 inches across 2.5 storm-fed days, while June bottoms out at 0.0 inches over just 0.1 rainy days. That groups Glendale with places like Sun City, AZ, Youngtown, AZ and El Mirage, AZ on the same cool-season storm track.
Hard freezes are rare in Glendale: the coldest month averages 52°F, so Glendale's growing window runs most of the year. July is the hottest stretch near 92°F, pushing cool-season crops to the milder shoulder months. Across Glendale, elevation and tree cover drive a 4-7°F spread in Glendale's overnight lows.
Similar climates: Sun City, AZ, Youngtown, AZ, El Mirage, AZ, Phoenix, AZ, Litchfield Park, AZ.
Naturalist notes
Desert lupines begin their purple bloom across Glendale's open spaces in late March, marking the transition from cool to warm season.
Anna's hummingbirds start their courtship displays in February, their metallic calls echoing through residential yards as daylight hours lengthen.
Frequently asked
- When does it freeze in Glendale?
- Frost typically leaves Glendale by mid-March and returns to Glendale near mid-December.
- What is the rainy season in Glendale?
- Rainfall in Glendale peaks in February near 1.3 inches, out of about 8 inches annually.
- What is the warmest month in Glendale?
- On average July tops the year in Glendale at about 92°F.
- What is the coldest month in Glendale?
- The coldest stretch in Glendale falls in December, around 52°F on average.
- When can I start a vegetable garden in Glendale?
- Hardy spring crops go in near mid-March in Glendale; tender peppers and squash wait 10–14 days.
- How many rainy days does Glendale get?
- Glendale averages about 18 days with measurable rain or snow each year.
- What hardiness zone is Glendale?
- Because Glendale bottoms near 52°F in December, that winter low sets Glendale's USDA zone — verify by ZIP.
- What is the 10-day forecast for Glendale?
- Glendale'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 Glendale?
- See this week's day-by-day rain chances for Glendale in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Glendale?
- Current conditions for Glendale and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Glendale forecast updated?
- The Glendale forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Glendale?
- Today's sunrise and sunset times for Glendale 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 Glendale?
- The next few days in Glendale's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a hot desert zone, Glendale, Arizona swings from 53°F in the heart of winter to 92°F at midsummer — a 39°F arc.
In a typical year Glendale records about 8 inches of precipitation on around 18 days.
Glendale sits at 33.6°N; that 39°F seasonal swing frames planting windows and frost dates across Glendale.
ZIP codes in Glendale
- 85301
- 85303
- 85302
- 85306
- 85309
- 85308
- 85355
- 85340
- 85305
- 85304
- 85307
- 85310
- 85311
- 85312
- 85318