Hourly Weather | Today › Saturday, October 3, 2026
Active Weather Warnings
Fresno, California
9 PM
Night
86°
Feels Like 84°
0
Humidity: 27%
UV Index: 0
Wind: 5 mph
10 PM
Night
82°
Feels Like 81°
0
Humidity: 30%
UV Index: 0
Wind: 4 mph
11 PM
Night
79°
Feels Like 77°
0
Humidity: 33%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
60 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.9 µg/m³
  • PM10: 23.79 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.07 µg/m³
  • PM10: 24.13 µg/m³
  • O3: 0.041 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.23 µg/m³
  • PM10: 24.5 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Weather Alerts and Warnings for Fresno

Moderate Expected Likely

Heat Advisory

Heat Advisory issued October 3 at 5:34PM PDT until October 7 at 11:00PM PDT by NWS Hanford CA
Oct 3, 5:34 PM → Oct 7, 11:00 PM
WHAT: High temperatures up to 104 degrees expected with the
warmest temperatures will be located in the southern San Joaquin
Valley. Overnight lows between 70 and 75 degrees expected in the
Sierra Foothills where the thermal belt is strongest.

WHERE: San Joaquin Valley, Sierra Nevada foothills, and Coastal
West Hills.

WHEN: Until 11 PM PDT Wednesday.

IMPACTS: Hot temperatures may cause heat illnesses.

ADDITIONAL DETAILS: Moderate to major risk of heat-related
illnesses for much of the population, especially those without
effective cooling or hydration.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Updated: Oct 3, 7:51 PM Source: NWS Alert