Today | Weather | Thursday, July 16, 2026
Active Weather Warnings

Weather in Lancaster, California

06:49 AM
Now
Sunny Weather
79° F
Feels Like 77°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 1
Humidity 24 %
Today
Cloudy Weather
Day 104°
Night 73°
Precipitation 0 %
Wind 14 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.

Lancaster Weather Forecast Updated

21 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 16, 2025)
Sunny Weather

Day

95°

Night

70°

Wind

14 mph

UV Index

12

Precipitation

0 %

Air Quality in Lancaster

NOW
55 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 14.41 µg/m³
PM10 33.37 µg/m³
O3 0.040 ppm
NO2 4.9 ppb
SO2 1.9 ppb
CO 0.12 ppm
NH3 0.04 µg/m³
NO 0.07 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.514.41 µg/m³
PM1033.37 µg/m³
O378.21 µg/m³
NO29.2 µg/m³
SO24.85 µg/m³
CO140.5 µg/m³
NH30.04 µg/m³
NO0.07 µg/m³

Weather Alerts and Warnings for Lancaster

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued July 13 at 3:18AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Jul 14, 10:00 AM Jul 16, 8:00 PM
WHAT: Dangerously hot conditions with temperatures of 95 to 110
away from the coast, and 85 to 95 near the coast possible.

WHERE: A portion of southwest California.

WHEN: From Tuesday morning through Thursday evening.

IMPACTS: There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.

ADDITIONAL DETAILS: Monsoonal moisture will increase the
potential for heat impacts.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates.
Updated: Jul 13, 7:39 AM Source: NWS Alert
Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 16 at 2:28AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Jul 16, 2:28 AM Jul 16, 8:00 PM
WHAT: Dangerously hot conditions with temperatures up to 106.

WHERE: A portion of southwest California.

WHEN: Until 8 PM PDT this evening.

IMPACTS: There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.
Updated: Jul 16, 6:28 AM Source: NWS Alert