Mentone, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Mentone weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——90°64°—
- MondayJul 6Clear——92°60°+2°
- TuesdayJul 7Clear——97°63°+5°
- WednesdayJul 8Clear——100°67°+3°
- ThursdayJul 9Clear——102°71°+2°
- FridayJul 10Overcast——101°69°-1°
- SaturdayJul 11Overcast——95°68°-6°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.71 fine-to-coarse ratio and 6 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 35 now. With UV 12 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 40 around 1 PM.
- Present
- AQI 35
- UV peak
- 12.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.71 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.71
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:04 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Mentone at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 92359
16-Day Forecast — Mentone
- Sun90°64°1%
- Mon92°60°1%
- Tue97°63°0%
- Wed100°67°0%
- Thu102°71°0%
- Fri101°69°0%
- Sat95°68°1%
- Sun91°66°3%
- Mon101°70°14%
- Tue100°76°20%
- Wed102°76°11%
- Thu104°77°26%
- Fri104°78°25%
- Sat101°79°6%
- Sun104°77°6%
- Mon105°74°6%
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 Mentone
- 92359
- 92374