Today | Weather | Monday, October 12, 2026

Weather in Boise, Idaho

07:07 PM
Now
Cloudy Weather
54° F
Feels Like 52°
Precipitation 22 %
Wind 8 mph
UV Index (0 - 11+) 0
Humidity 43 %
Today
Rainy Weather
Day 57°
Night 39°
Precipitation 99 %
Wind 8 mph
UV Index (0 - 11+) 3

Boise Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 12, 2025)
Cloudy Weather

Day

57°

Night

45°

Wind

6 mph

UV Index

20

Precipitation

25 %

Air Quality in Boise

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.75 µg/m³
O3 0.035 ppm
NO2 0.2 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 0.28 µg/m³
NO 0 µg/m³
PM2.5 – 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)
PM2.5 – 0.5 µg/m³
PM10 – 0.75 µg/m³
O3 – 69.58 µg/m³
NO2 – 0.32 µg/m³
SO2 – 0.02 µg/m³
CO – 119.4 µg/m³
NH3 – 0.28 µg/m³
NO – 0 µg/m³