Hourly Weather | Today Saturday, August 8, 2026
Active Weather Warnings
Concord, California
11 PM
Night
70°
Feels Like 64°
0
Humidity: 56%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.09 µg/m³
  • PM10: 22.99 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Concord

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 8 at 9:42PM PDT until August 9 at 10:00PM PDT by NWS San Francisco CA
Aug 8, 9:42 PM Aug 9, 10:00 PM
WHAT: Daytime highs in the mid 90s to low 100s. Nighttime lows in
the mid 60s in the hills to low 80s (especially in the higher
elevations).

WHERE: The Santa Clara Valley and Eastern Hills, The East Bay
Hills and Valleys, Western Sonoma County Hills, The Santa Cruz
Mountains, Interior Monterey County and the Santa Lucia Range, Most
of San Benito County and the Cholame Hills in Southeast Monterey
County, North Bay Interior Mountains, and Southern Salinas
Valley/Arroyo Seco and Lake San Antonio.

WHEN: Until 10 PM PDT Sunday.

IMPACTS: This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health systems and in
heat-sensitive industries.

ADDITIONAL DETAILS: The hottest locations will be across the far
interior.
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Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org.
Updated: Aug 8, 10:01 PM Source: NWS Alert