Foresthill, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Foresthill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——84°64°—
- FridayJun 5Overcast——87°65°+3°
- SaturdayJun 6Overcast——77°55°-10°
- SundayJun 7Overcast——78°51°+1°
- MondayJun 8Light Rain18%0.62″65°52°-13°
- TuesdayJun 9Drizzle16%0.24″62°52°-3°
- WednesdayJun 10Mostly Clear——70°48°+8°
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.83 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust. AQI down 39 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.83 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.83
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:32 AM
- Moonset
- 4:13 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Foresthill at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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.