Lake Mathews, California Weather
Summer solstice light stretched thin. Day 88 of spring. Read this microseason across nine climate regions →
Lake Mathews weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Clear——91°62°—
- TuesdayJun 16Overcast——90°59°-1°
- WednesdayJun 17Clear——93°59°+3°
- ThursdayJun 18Clear——90°57°-3°
- FridayJun 19Clear——87°55°-3°
- SaturdayJun 20Clear——84°50°-3°
- SundayJun 21Clear——84°49°0°
AQI 58 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 19.0 µg/m³ (AQI 69) with a 0.86 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 33 now. With UV 2.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 33
- UV peak
- 2.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 19.0 µg/m³ (AQI 69) with a 0.86 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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
- 5:51 AM
- Moonset
- 8:17 PM
- In sign
- ♋︎ Cancer
Summer solstice light stretched thin
Lake Mathews at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Lake Mathews
- Mon91°62°1%
- Tue90°59°1%
- Wed93°59°0%
- Thu90°57°0%
- Fri87°55°0%
- Sat84°50°0%
- Sun84°49°0%
- Mon89°50°0%
- Tue93°55°0%
- Wed93°58°0%
- Thu89°57°0%
- Fri86°51°0%
- Sat86°50°3%
- Sun91°52°3%
- Mon95°56°3%
- Tue101°57°10%
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 Lake Mathews
- 92570
- 92504