Today | Weather | Tuesday, April 7, 2026

Active Weather Warnings

Frost Advisory

Weather in Olympia, Washington

03:05 AM

Now

43° F

Feels Like 37°

Precipitation 0 %

Wind 8 mph

Humidity 88 %

Today

Day 59°

Night 32°

Precipitation 2 %

Wind 6 mph

UV Index (0 - 11+) 5

FROST FORECAST

Tomorrow Morning Frost 6 AM – 6 AM

Olympia Weather Forecast Updated

14 minutes ago

Last updated on April 07, 2026 at 2:51 AM

Air Quality in Olympia

NOW

41 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.39 µg/m³

PM₁₀ 4.47 µg/m³

O₃ 0.044 ppm

NO₂ 0.4 ppb

SO₂ 0.1 ppb

CO 0.12 ppm

NH₃ 0.14 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 – 1.39 µg/m³

PM₁₀ – 4.47 µg/m³

O₃ – 86.62 µg/m³

NO₂ – 0.71 µg/m³

SO₂ – 0.36 µg/m³

CO – 132.32 µg/m³

NH₃ – 0.14 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Olympia

Minor Expected Likely

Frost Advisory

Frost Advisory issued April 7 at 12:48AM PDT until April 8 at 9:00AM PDT by NWS Seattle WA

Apr 7, 11:00 PM → Apr 8, 9:00 AM

WHAT: Temperatures as low as 32 to 36 will result in frost
formation.

WHERE: Middle Chehalis River Valley, Foothills and Valleys of
Thurston and Lewis Counties, Lowlands of Lewis and Southern
Thurston Counties, Olympia and Southern Puget Sound, and Willapa
and Black Hills.

WHEN: From 11 PM this evening to 9 AM PDT Wednesday.

IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

+ Read More

Take steps now to protect tender plants from the cold.

Updated: Apr 7, 2:51 AM Source: NWS Alert