Second Mesa, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Second Mesa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——90°59°—
- MondayJul 6Overcast——90°65°0°
- TuesdayJul 7Light Showers——93°69°+3°
- WednesdayJul 8Light Drizzle——95°73°+2°
- ThursdayJul 9Light Drizzle——96°73°+1°
- FridayJul 10Clear——94°75°-2°
- SaturdayJul 11Partly Cloudy——99°73°+5°
AQI 37 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 41. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 41. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 9.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 25
PM × Wind × Precip
PM2.5 at 7.0 µg/m³ (AQI 39), ratio 0.50 with 7 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
- 10:39 PM
- Moonset
- 10:39 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Second Mesa at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: March 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 86043
16-Day Forecast — Second Mesa
- Sun89°59°2%
- Mon90°65°4%
- Tue93°69°3%
- Wed95°73°1%
- Thu96°73°1%
- Fri94°75°1%
- Sat99°73°2%
- Sun99°73°7%
- Mon97°75°8%
- Tue95°74°14%
- Wed93°72°11%
- Thu95°73°19%
- Fri98°74°26%
- Sat100°77°25%
- Sun99°78°26%
- Mon101°78°26%
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 — Second Mesa
SPC includes Second Mesa 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 Second Mesa
- 86043