Ross, California Weather
Summer solstice light stretched thin. Day 88 of spring. Read this microseason across nine climate regions →
Ross weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Foggy——83°56°—
- TuesdayJun 16Mostly Clear——80°54°-3°
- WednesdayJun 17Foggy——82°54°+2°
- ThursdayJun 18Mostly Clear——79°53°-3°
- FridayJun 19Overcast——71°52°-8°
- SaturdayJun 20Overcast——77°49°+6°
- SundayJun 21Foggy——82°50°+5°
AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.68 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 31 now. With UV 3.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 31
- UV peak
- 3.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.68 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.68
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:57 AM
- Moonset
- 8:55 PM
- In sign
- ♋︎ Cancer
Summer solstice light stretched thin
Ross at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Ross
- Mon83°56°0%
- Tue80°54°0%
- Wed82°54°2%
- Thu79°53°3%
- Fri71°52°4%
- Sat77°49°5%
- Sun82°50°1%
- Mon85°49°1%
- Tue90°50°1%
- Wed91°52°0%
- Thu86°51°0%
- Fri78°52°1%
- Sat76°53°0%
- Sun85°53°0%
- Mon90°54°0%
- Tue94°54°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 Ross
- 94957