Homestead Valley, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Homestead Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——96°71°—
- MondayJul 6Clear——96°73°0°
- TuesdayJul 7Clear——100°73°+4°
- WednesdayJul 8Clear——102°74°+2°
- ThursdayJul 9Clear——104°75°+2°
- FridayJul 10Overcast——102°75°-2°
- SaturdayJul 11Overcast——101°76°-1°
AQI 24 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 37. Overcast through the UV peak window (cloud cover ~93%) — 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 37. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
- Present
- AQI 37
- UV peak
- 11.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.70 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- 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
- 11:01 PM
- Moonset
- 11:04 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Homestead Valley at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: March 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Homestead Valley
- Sun96°71°1%
- Mon96°73°2%
- Tue100°73°0%
- Wed102°74°0%
- Thu104°75°0%
- Fri102°75°1%
- Sat101°76°1%
- Sun94°73°4%
- Mon101°75°13%
- Tue98°78°17%
- Wed97°81°10%
- Thu103°82°16%
- Fri104°86°6%
- Sat101°86°10%
- Sun103°82°11%
- Mon104°85°13%
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 Homestead Valley
- 92284
- 92285