Big Bear Lake, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Big Bear Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——80°57°—
- MondayJul 6Clear——81°56°+1°
- TuesdayJul 7Clear——84°59°+3°
- WednesdayJul 8Clear——86°60°+2°
- ThursdayJul 9Clear——86°64°0°
- FridayJul 10Overcast——86°62°0°
- SaturdayJul 11Overcast——86°64°0°
AQI 24 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 32 now. With UV 9.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 30 around 1 PM.
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 32 now. With UV 9.9 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 30 around 1 PM.
- Present
- AQI 32
- UV peak
- 9.9 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 30
PM × Wind × Precip
PM2.5 at 5.1 µg/m³, PM10 at 6.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.74
- Wind
- light
- 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
- 11:03 PM
- Moonset
- 11:06 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Big Bear Lake at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 92315
16-Day Forecast — Big Bear Lake
- Sun80°57°2%
- Mon81°56°1%
- Tue84°59°0%
- Wed86°60°0%
- Thu86°64°0%
- Fri86°62°1%
- Sat86°64°2%
- Sun78°62°8%
- Mon81°61°25%
- Tue78°65°33%
- Wed78°63°25%
- Thu84°64°21%
- Fri87°66°18%
- Sat80°66°10%
- Sun84°64°10%
- Mon87°66°10%
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 Big Bear Lake
- 92315