Today | Weather | Sunday, December 14, 2025

Active Weather Warnings

Dense Fog Advisory

Weather in Santa Maria, California

05:17 AM

Now

48° F

Feels Like 48°

Precipitation 44 %

Wind 4 mph

Humidity 94 %

Today

Day 64°

Night 43°

Precipitation 0 %

Wind 5 mph

UV Index (0 - 11+) 3

Santa Maria Weather Forecast Updated

Last updated on December 14, 2025 at 3:40 AM

Weather Forecast History

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

Day

61°

Night

37°

Wind

4 mph

Precipitation

0 %

Air Quality in Santa Maria

NOW

36 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 3.59 µg/m³

PM₁₀ 9.36 µg/m³

O₃ 0.038 ppm

NO₂ 0.4 ppb

SO₂ 0.2 ppb

CO 0.08 ppm

NH₃ 0 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 – 3.59 µg/m³

PM₁₀ – 9.36 µg/m³

O₃ – 75.34 µg/m³

NO₂ – 0.73 µg/m³

SO₂ – 0.56 µg/m³

CO – 91.13 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Santa Maria

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued December 14 at 12:58AM PST until December 14 at 10:00AM PST by NWS Los Angeles/Oxnard CA

Dec 14, 12:58 AM → Dec 14, 10:00 AM

WHAT: Visibility one quarter mile or less in dense fog.

WHERE: Santa Barbara County Central Coast Beaches, Santa Barbara
County Inland Central Coast, Santa Ynez Valley, Ventura County
Beaches, and Ventura County Inland Coast.

WHEN: Until 10 AM PST this morning.

IMPACTS: Low visibility could make driving conditions hazardous.

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If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.

Updated: Dec 14, 3:40 AM Source: NWS Alert