County in California

Riverside County Weather Forecast

Riverside County weather: 80°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 80°F now🕔 2:52 AM local📅 Best: April, May, June, July, August, September and October👥 2.5 million

Risk assessment for Riverside County

Derived from the current forecast window - not an official warning.

Fire weather10

16 dry days, 15 days above 90°F and humidity at 54%. Hot, dry and windy together is what drives fire spread.

Airborne particulates2.2

Light haze overhead right now. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.

Air quality and pollen in Riverside County

59
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.517.2 µg/m³
PM1021.2 µg/m³
Ozone53 µg/m³
NO₂25.8 µg/m³
UV index0 · Low
Airborne hazeLight haze

Air quality: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
GeneralConditions are comfortable for most people, including children and older adults, with normal clothing.

Active alerts for Riverside County

⚠️Fri, Aug 21: extreme heat, 104°F (40°C). Hydrate and avoid midday sun.
⚠️Sat, Aug 22: extreme heat, 102°F (39°C). Hydrate and avoid midday sun.
⚠️Sun, Aug 23: extreme heat, 104°F (40°C). Hydrate and avoid midday sun.
⚠️Mon, Aug 24: extreme heat, 103°F (40°C). Hydrate and avoid midday sun.
⚠️Tue, Aug 25: extreme heat, 106°F (41°C). Hydrate and avoid midday sun.
⚠️Wed, Aug 26: extreme heat, 105°F (41°C). Hydrate and avoid midday sun.

Derived from the forecast. No official alert feed is wired for this country yet.

See the Riverside County forecast by time range

Riverside County weather - more answers

Explore Riverside County

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is Riverside County?

Riverside County is a county in California. Its coordinates are 33.9533, -117.3961. It lies in North America.

What is the weather like in Riverside County right now?

It is currently 80°F (27°C) with partly cloudy. Humidity is 54% and wind is 0 mph.

When is the best time to visit Riverside County?

April, May, June, July, August, September and October offer the most comfortable conditions in Riverside County, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is Riverside County in?

Riverside County observes America/Los_Angeles (UTC-07:00). The local time is 2:52 AM.

How many people live in Riverside County?

Riverside County has a population of approximately 2.5 million.

What is the nearest airport to Riverside County?

The closest airports are Los Angeles International Airport (LAX), 58 mi away, San Diego International Airport (SAN), 85 mi away and Harry Reid International Airport (LAS), 194 mi away.

What are the top things to do in Riverside County?

Popular options include Disneyland Resort, Hollywood Sign, Santa Monica State Beach, Anza-Borrego Desert State Park, Joshua Tree National Park and Coronado Beach.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated August 21, 2026 at 2:52 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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