Bystrom, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Bystrom weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——94°63°—
- MondayJul 6Overcast——92°59°-2°
- TuesdayJul 7Clear——97°58°+5°
- WednesdayJul 8Clear——101°58°+4°
- ThursdayJul 9Clear——104°62°+3°
- FridayJul 10Overcast——106°65°+2°
- SaturdayJul 11Overcast——112°69°+6°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.66 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
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 33. Overcast through the UV peak window (cloud cover ~62%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 9.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 21
PM × Wind × Precip
PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.66 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.66
- Wind
- calm
- 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
- 11:23 PM
- Moonset
- 11:22 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Bystrom at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Bystrom
- Sun94°63°8%
- Mon92°59°0%
- Tue97°58°0%
- Wed101°58°0%
- Thu104°62°0%
- Fri106°65°0%
- Sat112°69°0%
- Sun95°75°2%
- Mon104°70°4%
- Tue110°71°5%
- Wed110°72°0%
- Thu111°73°1%
- Fri115°76°3%
- Sat110°76°3%
- Sun107°75°3%
- Mon106°69°0%
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 Bystrom
- 95351