Mountain Mesa, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Mountain Mesa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——92°73°—
- MondayJul 6Mostly Clear——94°75°+2°
- TuesdayJul 7Clear——97°61°+3°
- WednesdayJul 8Clear——98°61°+1°
- ThursdayJul 9Clear——101°64°+3°
- FridayJul 10Clear——103°62°+2°
- SaturdayJul 11Overcast——105°65°+2°
AQI 38 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM10 at 33.9 µg/m³ (AQI 31) with a 0.37 fine-to-coarse ratio under 11 mph wind — coarse road or agricultural dust being kicked up.
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 43 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 58 around 1 PM.
- Present
- AQI 43
- UV peak
- 10.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 58
PM × Wind × Precip
PM10 at 33.9 µg/m³ (AQI 31) with a 0.37 fine-to-coarse ratio under 11 mph wind — coarse road or agricultural dust being kicked up.
- PM2.5/PM10
- 0.37
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- blown dust
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
- 11:11 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Mountain Mesa at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: March 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 93240
16-Day Forecast — Mountain Mesa
- Sun92°73°1%
- Mon94°75°0%
- Tue97°61°0%
- Wed98°61°0%
- Thu101°64°0%
- Fri103°62°0%
- Sat105°65°1%
- Sun104°68°3%
- Mon107°74°7%
- Tue102°72°12%
- Wed95°75°6%
- Thu93°75°10%
- Fri104°71°13%
- Sat110°76°6%
- Sun111°77°6%
- Mon106°79°6%
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.
ZIP codes in Mountain Mesa
- 93240