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Today | Weather | Sunday, October 12, 2025
Active Weather Warnings

Weather in Tucson, Arizona

08:55 AM
Now
Sunny with a Chance of Thunderstorms
73° F
Feels Like 75°
Precipitation 69 %
Wind 6 mph
UV Index (0 - 11+) 11
Humidity 75 %
Today
Sunny with a Chance of Thunderstorms
Day 81°
Night 66°
Precipitation 98 %
Wind 7 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Tucson Weather Forecast Updated

13 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (October 12, 2024)

Night

Day

100°

Night

66°

Wind

7 mph

Precipitation

0

Air Quality in Tucson

NOW
18 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.53 µg/m³
PM10 1.15 µg/m³
O3 0.020 ppm
NO2 0.5 ppb
SO2 0 ppb
CO 0.09 ppm
NH3 0.3 µg/m³
NO 0.01 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 – 0.53 µg/m³
PM10 – 1.15 µg/m³
O3 – 38.97 µg/m³
NO2 – 0.94 µg/m³
SO2 – 0.03 µg/m³
CO – 103.51 µg/m³
NH3 – 0.3 µg/m³
NO – 0.01 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Tucson

Severe Future Possible

Flood Watch

Flood Watch issued October 12 at 6:41AM MST until October 13 at 5:00PM MST by NWS Tucson AZ
Oct 12, 7:41 AM → Oct 13, 6:00 PM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: A portion of Southeast Arizona, including the following
areas, Baboquivari Mountains, Catalina and Rincon Mountains,
Chiricahua Mountains, Dragoon and Mule and Huachuca and Santa Rita
Mountains, Eastern Cochise County below 5000 feet, Galiuro and
Pinaleno Mountains, South Central Pinal County, Southeast Pinal
County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River
Valley, Upper San Pedro River Valley, Upper Santa Cruz River
Valley/Altar Valley and Western Pima County.

WHEN: Through Monday afternoon.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Abundant moisture may lead to a periods of moderate to heavy
rainfall and scattered thunderstorms through Monday.
Additional rainfall totals of 0.5 inches to 2 inches are
expected with locally higher amounts.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Oct 12, 9:42 AM Source: NWS Alert