Rail Road Flat, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Rail Road Flat weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——83°63°—
- MondayJul 6Overcast——85°64°+2°
- TuesdayJul 7Overcast——88°61°+3°
- WednesdayJul 8Clear——91°63°+3°
- ThursdayJul 9Clear——94°66°+3°
- FridayJul 10Overcast——98°69°+4°
- SaturdayJul 11Overcast——100°72°+2°
AQI 32 (Good), driven by Ozone. Ozone at AQI 60. 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 60. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 60
- UV peak
- 8.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 33
PM × Wind × Precip
PM2.5 at 6.3 µg/m³, PM10 at 10.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.58
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:21 PM
- Moonset
- 11:20 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Rail Road Flat at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95248
16-Day Forecast — Rail Road Flat
- Sun83°63°7%
- Mon85°64°1%
- Tue88°61°0%
- Wed91°63°0%
- Thu94°66°0%
- Fri98°69°0%
- Sat100°72°0%
- Sun91°66°1%
- Mon93°65°4%
- Tue99°70°3%
- Wed99°73°2%
- Thu100°74°3%
- Fri103°75°13%
- Sat100°75°13%
- Sun97°70°13%
- Mon96°70°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 Rail Road Flat
- 95245
- 95248