County in California

Riverside County Weather Forecast

Riverside County weather: 91°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

🌙 91°F now🕔 2:43 AM local📅 Best: April, May, June, July, August, September and October👥 2.5 million

7-day forecast for Riverside County

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Sat, Aug 22🌤️ Mainly clear103° / 71°0%12 mph8
Sun, Aug 23☀️ Clear sky105° / 71°1%14 mph8
Mon, Aug 24☀️ Clear sky106° / 71°5%14 mph7
Tue, Aug 25☀️ Clear sky106° / 84°0%14 mph8
Wed, Aug 26☀️ Clear sky105° / 87°1%12 mph8
Thu, Aug 27🌦️ Light drizzle101° / 84°1% · 0,0 in11 mph8
Fri, Aug 28☁️ Overcast104° / 86°2%12 mph8

Weekend outlook

Saturday, Aug 22

🌤️ 103° / 71°

Mainly clear · 0% rain · wind 12 mph

Sunday, Aug 23

☀️ 105° / 71°

Clear sky · 1% rain · wind 14 mph

Is today a good day to visit?

Activity scores from 0 to 10 based on temperature, rain, wind, sun and visibility.

Sightseeing8.5
Outdoors8.7
Beach day9.3
Swimming10
Hiking7.8
Running7.2
Cycling8
Camping8.2
Fishing6.9
Photography8.7
Stargazing10
Family time8.9
Driving9.6
Flying out9.5

What to pack, what to skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • Sunglasses, a brimmed hat and SPF 30+
Worth avoiding
  • Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
  • If your dates are flexible, avoid January, February and December - historically the least comfortable months here.

Active alerts for Riverside County

⚠️Heat Advisory · Moderate
Heat Advisory issued August 22 at 9:43PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Issued by NWS San Diego CA
⚠️Extreme Heat Watch · Severe
Extreme Heat Watch issued August 22 at 9:43PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Issued by NWS San Diego CA
⚠️Sat, Aug 22: extreme heat, 103°F (40°C). Hydrate and avoid midday sun.
⚠️Sun, Aug 23: extreme heat, 105°F (41°C). Hydrate and avoid midday sun.
⚠️Mon, Aug 24: extreme heat, 106°F (41°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.
⚠️Thu, Aug 27: extreme heat, 101°F (38°C). Hydrate and avoid midday sun.

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 91°F (33°C) with clear. Humidity is 29% and wind is 6 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 2:43 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 23, 2026 at 2:43 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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