Winterhaven, California Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Winterhaven weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Partly Cloudy——112°80°—
- MondayJul 6Clear——108°77°-4°
- TuesdayJul 7Clear——111°79°+3°
- WednesdayJul 8Clear——111°80°0°
- ThursdayJul 9Clear——109°82°-2°
- FridayJul 10Partly Cloudy——107°84°-2°
- SaturdayJul 11Overcast——106°80°-1°
AQI 47 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.9 µg/m³ (AQI 56) with a 0.62 fine-to-coarse ratio and 5 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 11.9 µg/m³ (AQI 56) with a 0.62 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.62
- 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
- 10:54 PM
- Moonset
- 10:58 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Winterhaven at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 92283
16-Day Forecast — Winterhaven
- Sun112°80°1%
- Mon108°77°1%
- Tue111°79°0%
- Wed111°80°0%
- Thu109°82°0%
- Fri107°84°0%
- Sat106°80°2%
- Sun108°83°4%
- Mon111°83°14%
- Tue99°86°8%
- Wed104°84°11%
- Thu111°87°10%
- Fri120°90°16%
- Sat113°91°10%
- Sun117°90°6%
- Mon119°88°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 Winterhaven
- 92283