Challenge-Brownsville, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Challenge-Brownsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——83°67°—
- MondayJul 6Overcast——85°65°+2°
- TuesdayJul 7Overcast——88°57°+3°
- WednesdayJul 8Clear——91°57°+3°
- ThursdayJul 9Clear——95°61°+4°
- FridayJul 10Overcast——97°64°+2°
- SaturdayJul 11Overcast——98°66°+1°
AQI 31 (Good), driven by Ozone. Ozone at AQI 58 now. With UV 8.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 48 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 58 now. With UV 8.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 48 around 1 PM.
- Present
- AQI 58
- UV peak
- 8.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 7.9 µg/m³ (AQI 44) with a 0.64 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.64
- 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
- 11:25 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Challenge-Brownsville at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Challenge-Brownsville
- Sun83°67°0%
- Mon85°65°1%
- Tue88°57°0%
- Wed91°57°0%
- Thu95°61°0%
- Fri97°64°0%
- Sat98°66°1%
- Sun88°60°0%
- Mon94°61°3%
- Tue101°65°4%
- Wed100°66°2%
- Thu101°67°6%
- Fri102°72°6%
- Sat101°71°6%
- Sun97°70°6%
- Mon96°64°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 Challenge-Brownsville
- 95925
- 95919