Peoria, Arizona Weather
Thunder finally silent. Day 93 of summer. Read this microseason across nine climate regions →
Peoria weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:30 AM MST · Open-Meteo
- TodaySep 21Overcast——99°75°—
- TuesdaySep 22Clear——96°71°-3°
- WednesdaySep 23Overcast——93°79°-3°
- ThursdaySep 24Light Showers18%—97°77°+4°
- FridaySep 25Light Showers15%—94°76°-3°
- SaturdaySep 26Partly Cloudy——97°82°+3°
- SundaySep 27Light Drizzle11%—94°83°-3°
Air quality now AQI 53 · Moderate
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.7 µg/m³, PM10 at 55.2 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
PM × Wind × Precip
PM2.5 at 11.7 µg/m³, PM10 at 55.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.21
- Wind
- light
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 3:48 PM
- Moonset
- 1:12 AM
- In sign
- ♑︎ Capricorn
Thunder finally silent
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Peoria at a glance
- Today vs. normal: Today averages 87°F (high 99°F, low 75°F), 6°F above the 81°F normal for Sep 21
- Last frost: February 5 (1991–2020 median, NOAA station 21 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest summer squash, winter squash
15-Day Forecast — Peoria
- Mon99°76°3%
- Tue96°71°2%
- Wed93°79°8%
- Thu97°77°18%
- Fri94°76°15%
- Sat97°82°4%
- Sun94°83°11%
- Mon97°81°15%
- Tue98°84°9%
- Wed88°81°15%
- Thu88°77°5%
- Fri95°80°14%
- Sat99°84°13%
- Sun96°82°20%
- Mon86°83°16%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Peoria
Interactive wind and temperature map centered on Peoria — it loads in your browser. Open the full weather map.
Right now in the garden
Peak growing season
As of September 21, the growing season is at its peak — the first frost (around December 11) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 18 to October 2 here. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest summer squash and winter squash.
SPC Convective Outlook
Storm Prediction Center — Peoria
SPC includes Peoria 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.
Sun & seasons in Peoria
Peoria sits in Maricopa County, where the year’s longest day runs 14h 24m of daylight and its shortest just 9h 54m — a swing of +4h 30m between the June and December solstices.
Phoenix, the state’s largest city, lies about 19 miles to the SE. The nearest town Peoria tracks is Surprise, roughly 11 miles to the SW.
Air quality in Peoria
Air quality in Peoria’s county has trended cleaner since 2020; its cleanest year on record was 2023 (median AQI 72). See the full air-quality history for Peoria.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | fall brassicas, carrots |
| February | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| March | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach |
| May | squash | peas, beans, summer squash, garlic |
| June | squash | tomatoes, peppers, beans, summer squash, winter squash |
| July | beans, squash | tomatoes, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | summer squash, winter squash |
| October | — | peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| December | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
A year in weather
Peoria's warmest month is July (~91°F mean) and its coldest is December (~52°F). Rainfall peaks in February (1.4 inches) and bottoms out in June (0.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 52° | 1.4″ | 2 |
| February | 55° | 1.4″ | 3 |
| March | 60° | 1.0″ | 1 |
| April | 66° | 0.3″ | 1 |
| May | 76° | 0.1″ | 0 |
| June | 86° | 0.1″ | 0 |
| July | 91° | 0.9″ | 3 |
| August | 90° | 1.1″ | 3 |
| September | 84° | 1.1″ | 2 |
| October | 72° | 0.7″ | 1 |
| November | 60° | 0.7″ | 2 |
| December | 52° | 0.9″ | 2 |
Regional context
Similar climates Sun City West, AZ, Surprise, AZ, Anthem, AZ
Peoria swings from 52°F in January to 91°F in July (39°F) per NOAA NCEI 1991-2020 normals; precipitation in Peoria runs about 9.6 inches on roughly 19 measurable days.
Precipitation in Peoria peaks in the cool season: February averages 1.4 inches across 2.7 storm-fed days, while June bottoms out at 0.1 inches over just 0.1 rainy days. That groups Peoria with places like Sun City West, AZ, Surprise, AZ and Anthem, AZ on the same cool-season storm track.
Around February 5, Peoria sheds its freezing nights — lettuce, chard, arugula, and mustard greens go into Peoria's beds. Tomatoes and peppers do best set out two weeks later in Peoria, once nights clear the mid-40s°F. The season ends by December 11 in Peoria, once hard frosts set back in. Open lawns in Peoria whiten first when frost returns.
Similar climates: Sun City West, AZ, Surprise, AZ, Anthem, AZ, Sun City, AZ, Wittmann, AZ.
Frequently asked
- When does it freeze in Peoria?
- Peoria's last spring frost lands near February 5, and in Peoria the first fall frost follows around December 11.
- What is the rainy season in Peoria?
- Peoria sees its heaviest rain in February (around 1.4 inches), part of roughly 10 inches a year.
- What is the warmest month in Peoria?
- On average July tops the year in Peoria at about 91°F.
- What is the coldest month in Peoria?
- The coldest stretch in Peoria falls in December, around 52°F on average.
- When can I start a vegetable garden in Peoria?
- In Peoria, sow peas and hardy greens around February 5; Peoria's tomatoes and peppers wait two weeks more.
- How many rainy days does Peoria get?
- Peoria averages about 19 days with measurable rain or snow each year.
- What hardiness zone is Peoria?
- With December around 52°F, Peoria's zone reflects that minimum — the USDA ZIP map confirms Peoria's band.
- What is the 10-day forecast for Peoria?
- Peoria'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 Peoria?
- See this week's day-by-day rain chances for Peoria in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Peoria?
- Current conditions for Peoria and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Peoria forecast updated?
- The Peoria forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Peoria?
- Today's sunrise and sunset times for Peoria 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 Peoria?
- The next few days in Peoria's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Peoria sits at 33.8°N; its climate zone is hot desert (Köppen approximation).
ZIP codes in Peoria
- 85303
- 85324
- 85345
- 85373
- 85380
- 85381
- 85382
- 85383
- 85385