Today | Weather | Tuesday, October 14, 2025

Weather in Santa Rosa, California

06:34 PM

Now

57° F

Feels Like 55°

Precipitation 68 %

Wind 5 mph

Humidity 80 %

Today

Day 57°

Night 50°

Precipitation 96 %

Wind 4 mph

UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Santa Rosa Weather Forecast Updated

13 minutes ago

Last updated on October 14, 2025 6:20 PM

Weather Forecast History

Last Year's Weather on This Day (October 14, 2024)

Day

79°

Night

48°

Wind

4 mph

Precipitation

Air Quality in Santa Rosa

NOW

43 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 0.59 µg/m³

PM₁₀ 0.88 µg/m³

O₃ 0.046 ppm

NO₂ 0.4 ppb

SO₂ 0.1 ppb

CO 0.09 ppm

NH₃ 0.02 µg/m³

NO 0 µg/m³

PM_2.5 – 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 0.59 µg/m³

PM₁₀ – 0.88 µg/m³

O₃ – 90.96 µg/m³

NO₂ – 0.81 µg/m³

SO₂ – 0.24 µg/m³

CO – 105.66 µg/m³

NH₃ – 0.02 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast