Boulder Creek, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Boulder Creek weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——79°54°—
- MondayJul 6Light Drizzle—0.03″78°52°-1°
- TuesdayJul 7Mostly Clear——90°49°+12°
- WednesdayJul 8Clear——91°49°+1°
- ThursdayJul 9Clear——97°54°+6°
- FridayJul 10Overcast——95°54°-2°
- SaturdayJul 11Overcast——86°56°-9°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.2 µg/m³ (AQI 46), ratio 0.68 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
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 8.2 µg/m³ (AQI 46), ratio 0.68 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.68
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 11:27 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Boulder Creek at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: March 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95006
16-Day Forecast — Boulder Creek
- Sun79°54°0%
- Mon78°52°0%
- Tue90°49°0%
- Wed91°49°0%
- Thu97°54°0%
- Fri95°54°0%
- Sat86°56°1%
- Sun78°61°1%
- Mon100°64°2%
- Tue102°63°4%
- Wed106°61°1%
- Thu105°62°1%
- Fri102°64°0%
- Sat102°62°0%
- Sun102°60°3%
- Mon100°58°3%
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 Boulder Creek
- 95006