Scottsdale, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Scottsdale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——107°84°—
- MondayJul 6Overcast——106°82°-1°
- TuesdayJul 7Clear——107°87°+1°
- WednesdayJul 8Clear——107°89°0°
- ThursdayJul 9Clear——106°89°-1°
- FridayJul 10Partly Cloudy——104°86°-2°
- SaturdayJul 11Partly Cloudy——105°88°+1°
AQI 56 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 17.2 µg/m³ (AQI 66), ratio 0.50 with 6 mph wind — characteristic of long-range haze transport rather than a local source.
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 7.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 25 around 1 PM.
- Present
- AQI 35
- UV peak
- 7.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 25
PM × Wind × Precip
PM2.5 at 17.2 µg/m³ (AQI 66), ratio 0.50 with 6 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.50
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 10:43 PM
- Moonset
- 10:45 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Scottsdale at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 85250, 85251, 85254, 85255, 85256, 85257, 85258, 85259 +3 more
16-Day Forecast — Scottsdale
- Sun107°84°5%
- Mon106°82°2%
- Tue107°87°0%
- Wed107°89°0%
- Thu106°89°1%
- Fri104°86°2%
- Sat105°88°3%
- Sun103°87°12%
- Mon110°89°17%
- Tue103°82°23%
- Wed101°82°14%
- Thu106°87°23%
- Fri113°93°24%
- Sat112°97°32%
- Sun109°94°33%
- Mon112°95°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Scottsdale
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
July is Scottsdale's warmest stretch (~88°F) and December its coldest (~53°F); precipitation crests in February at 1.7 inches and ebbs in June to 0.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 53° | 1.5″ | 5 |
| February | 55° | 1.7″ | 6 |
| March | 60° | 1.5″ | 5 |
| April | 66° | 0.5″ | 2 |
| May | 74° | 0.3″ | 1 |
| June | 84° | 0.1″ | 1 |
| July | 88° | 1.0″ | 3 |
| August | 87° | 1.3″ | 4 |
| September | 82° | 0.8″ | 3 |
| October | 72° | 0.9″ | 3 |
| November | 61° | 0.8″ | 3 |
| December | 53° | 1.4″ | 5 |
Regional context
Scottsdale swings from 53°F in January to 88°F in July (35°F) per NOAA NCEI 1991-2020 normals; precipitation in Scottsdale runs about 11.6 inches on roughly 41 measurable days.
Scottsdale's moisture rides winter storm tracks: February brings 1.7 inches over 6.0 wet days, while June sees only 0.1 inches across 1.0 days in the dry warm season. It is a winter-storm rhythm Scottsdale shares with places like Fountain Hills, AZ, Carefree, AZ and Paradise Valley, AZ.
With a coldest-month mean of 53°F, Scottsdale stays mostly frost-free and grows year-round. The July peak near 88°F is Scottsdale's real limit, pushing cool-season vegetables to spring and fall. Scottsdale's coastal lots stay 4-7°F milder overnight than Scottsdale's inland parcels.
Similar climates: Fountain Hills, AZ, Carefree, AZ, Paradise Valley, AZ, Rio Verde, AZ, Cave Creek, AZ.
Naturalist notes
Desert lupines begin their purple bloom across the Sonoran landscape during late March and April.
Curve-billed thrashers start their nesting season in April, with pairs building thorny homes in cholla and palo verde trees.
Frequently asked
- When does it freeze in Scottsdale?
- Scottsdale's last spring frost lands near mid-March, and in Scottsdale the first fall frost follows around mid-December.
- What is the rainy season in Scottsdale?
- February is the wettest month in Scottsdale, about 1.7 inches on average; the year totals roughly 12 inches.
- What is the warmest month in Scottsdale?
- On average July tops the year in Scottsdale at about 88°F.
- What is the coldest month in Scottsdale?
- The coldest stretch in Scottsdale falls in December, around 53°F on average.
- When can I start a vegetable garden in Scottsdale?
- Hardy spring crops go in near mid-March in Scottsdale; tender peppers and squash wait 10–14 days.
- How many rainy days does Scottsdale get?
- Scottsdale averages about 41 days with measurable rain or snow each year.
- What hardiness zone is Scottsdale?
- With December around 53°F, Scottsdale's zone reflects that minimum — the USDA ZIP map confirms Scottsdale's band.
- What is the 10-day forecast for Scottsdale?
- Scottsdale'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 Scottsdale?
- See this week's day-by-day rain chances for Scottsdale in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Scottsdale?
- Current conditions for Scottsdale and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Scottsdale forecast updated?
- The Scottsdale forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Scottsdale?
- Today's sunrise and sunset times for Scottsdale 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 Scottsdale?
- The next few days in Scottsdale's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a hot desert zone, Scottsdale, Arizona swings from 53°F in the heart of winter to 88°F at midsummer — a 35°F arc.
Yearly precipitation in Scottsdale totals around 12 inches, spread over about 41 days of rain or snow.
Scottsdale sits at 33.7°N; that 35°F seasonal swing frames planting windows and frost dates across Scottsdale.
ZIP codes in Scottsdale
- 85259
- 85258
- 85251
- 85250
- 85257
- 85255
- 85254
- 85266
- 85262
- 85260
- 85252
- 85261
- 85267
- 85271