Today | Weather | Saturday, October 3, 2026
Active Weather Warnings

Weather in Fresno, California

07:34 PM
Now
Night
90° F
Feels Like 88°
Precipitation 0 %
Wind 5 mph
Humidity 24 %
Today
Hot Day
Day 97°
Night 64°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 5

Fresno Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 3, 2025)
Night

Day

75°

Night

52°

Wind

5 mph

Precipitation

2 %

Air Quality in Fresno

NOW
60 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.77 µg/m³
PM10 23.66 µg/m³
O3 0.048 ppm
NO2 2.4 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 1.45 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 16.77 µg/m³
PM10 – 23.66 µg/m³
O3 – 94.28 µg/m³
NO2 – 4.61 µg/m³
SO2 – 0.56 µg/m³
CO – 163.48 µg/m³
NH3 – 1.45 µg/m³
NO – 0 µg/m³

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, 6:16 PM Source: NWS Alert