San Jose, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
San Jose weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——106°78°—
- MondayJul 6Overcast24%—106°80°0°
- TuesdayJul 7Light Drizzle40%—103°81°-3°
- WednesdayJul 8Light Drizzle13%—102°80°-1°
- ThursdayJul 9Drizzle12%—105°80°+3°
- FridayJul 10Overcast11%—102°78°-3°
- SaturdayJul 11Light Drizzle18%—103°81°+1°
AQI 36 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 38. Overcast through the UV peak window (cloud cover ~89%) — afternoon ozone should stay flat.
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 38. Overcast through the UV peak window (cloud cover ~89%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 1.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 4.6 µg/m³ (AQI 26) with a 0.69 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.69
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:33 PM
- Moonset
- 10:36 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
San Jose at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — San Jose
- Sun106°78°3%
- Mon106°80°24%
- Tue103°81°40%
- Wed102°80°13%
- Thu105°80°12%
- Fri102°78°11%
- Sat103°81°18%
- Sun103°79°24%
- Mon103°84°23%
- Tue100°81°23%
- Wed102°78°24%
- Thu104°82°26%
- Fri108°85°25%
- Sat110°87°45%
- Sun111°87°42%
- Mon109°84°42%
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 — San Jose
SPC includes San Jose in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- 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 San Jose
- 85546