Today | Weather | Sunday, October 5, 2025

Weather in Casper, Wyoming

04:15 PM

Now

46° F

Feels Like 41°

Precipitation 52 %

Wind 9 mph

UV Index (0 - 11+) 5

Humidity 72 %

Today

Day 46°

Night 37°

Precipitation 92 %

Wind 8 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.

Casper Weather Forecast Updated

Last updated on October 05, 2025 2:32 PM

Air quality in Casper

NOW

31 AQI

Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.68 µg/m³

PM10 0.76 µg/m³

O₃ 36.55 ppb

NO₂ 0.86 ppb

SO₂ 0.23 ppb

CO 107.25 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:

With this level of air quality, you have no limitations. Enjoy the outdoors

View Hourly Air Quality Forecast