Jacumba, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Jacumba weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Mostly Clear——92°66°—
- MondayJul 6Clear——95°64°+3°
- TuesdayJul 7Clear——98°68°+3°
- WednesdayJul 8Clear——100°75°+2°
- ThursdayJul 9Clear——101°76°+1°
- FridayJul 10Overcast——99°73°-2°
- SaturdayJul 11Overcast——98°73°-1°
AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
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 5.0 µg/m³ (AQI 28), ratio 0.69 with 13 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.69
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 10:59 PM
- Moonset
- 11:04 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Jacumba at a glance
- Today vs. normal: 6°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: 91934
16-Day Forecast — Jacumba
- Sun92°66°1%
- Mon95°64°0%
- Tue98°68°0%
- Wed100°75°0%
- Thu101°76°0%
- Fri99°73°1%
- Sat98°73°4%
- Sun98°73°5%
- Mon99°78°20%
- Tue91°73°24%
- Wed94°70°16%
- Thu91°75°13%
- Fri104°79°6%
- Sat106°84°13%
- Sun99°78°7%
- Mon97°73°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 Jacumba
- 91934