Today | Weather | Tuesday, September 23, 2025

Weather in Fresno, California

12:16 PM

Now

90° F

Feels Like 95°

Precipitation 0 %

Wind 5 mph

UV Index (0 - 11+) 11

Humidity 35 %

Today

Day 100°

Night 68°

Precipitation 0 %

Wind 8

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Fresno Weather Forecast Updated

34 minutes ago

Last updated on September 23, 2025 11:41 AM

Weather Forecast History

Last Year's Weather on This Day (September 23, 2024)

Day

99°

Night

63°

Wind

4 mph

Precipitation

Air quality in Fresno

NOW

57 AQI

Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 9.70 µg/m³

PM10 23.96 µg/m³

O₃ 45.18 ppb

NO₂ 10.85 ppb

SO₂ 0.87 ppb

CO 231.31 ppb

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

View Hourly Air Quality Forecast