Clearlake, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Clearlake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Mostly Clear——91°59°—
- MondayJul 6Mostly Clear——91°59°0°
- TuesdayJul 7Overcast——95°55°+4°
- WednesdayJul 8Clear——100°56°+5°
- ThursdayJul 9Clear——101°60°+1°
- FridayJul 10Overcast——103°61°+2°
- SaturdayJul 11Overcast——105°63°+2°
AQI 25 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.73 fine-to-coarse ratio and 4 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
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.73 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.73
- 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
- 11:30 PM
- Moonset
- 11:29 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Clearlake at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95422
16-Day Forecast — Clearlake
- Sun91°59°0%
- Mon91°59°0%
- Tue95°55°0%
- Wed100°56°0%
- Thu101°60°0%
- Fri103°61°0%
- Sat105°63°0%
- Sun106°65°0%
- Mon111°70°1%
- Tue111°73°2%
- Wed103°71°1%
- Thu81°73°1%
- Fri107°68°3%
- Sat109°69°3%
- Sun109°69°0%
- Mon105°61°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 Clearlake
- 95422
- 95424