Hourly Weather | Tomorrow Thursday, May 21, 2026
Active Weather Warnings
Jurupa Valley, California
12 AM
Cloudy Night
68°
Feels Like 64°
0
Humidity: 38%
UV Index: 0
Wind: 6 mph
1 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 42%
UV Index: 0
Wind: 6 mph
2 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 45%
UV Index: 0
Wind: 6 mph
3 AM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 50%
UV Index: 0
Wind: 5 mph
4 AM
Cloudy Night
61°
Feels Like 61°
0
Humidity: 54%
UV Index: 0
Wind: 5 mph
5 AM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 59%
UV Index: 0
Wind: 5 mph
6 AM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 63%
UV Index: 0
Wind: 5 mph
7 AM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 56%
UV Index: 1
Wind: 5 mph
8 AM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 47%
UV Index: 2
Wind: 5 mph
9 AM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 38%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
75°
Feels Like 81°
0
Humidity: 32%
UV Index: 5
Wind: 7 mph
11 AM
Cloudy Weather
79°
Feels Like 84°
0
Humidity: 28%
UV Index: 8
Wind: 8 mph
12 PM
Cloudy Weather
81°
Feels Like 88°
0
Humidity: 26%
UV Index: 10
Wind: 9 mph
1 PM
Cloudy Weather
84°
Feels Like 90°
0
Humidity: 24%
UV Index: 11
Wind: 12 mph
2 PM
Cloudy Weather
88°
Feels Like 91°
0
Humidity: 23%
UV Index: 10
Wind: 14 mph
3 PM
Cloudy Weather
88°
Feels Like 90°
0
Humidity: 22%
UV Index: 8
Wind: 15 mph
4 PM
Cloudy Weather
86°
Feels Like 88°
0
Humidity: 22%
UV Index: 5
Wind: 15 mph
5 PM
Cloudy Weather
84°
Feels Like 84°
0
Humidity: 23%
UV Index: 3
Wind: 14 mph
6 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 25%
UV Index: 2
Wind: 13 mph
7 PM
Cloudy Weather
79°
Feels Like 77°
0
Humidity: 29%
UV Index: 1
Wind: 12 mph
8 PM
Cloudy Night
75°
Feels Like 73°
0
Humidity: 34%
UV Index: 0
Wind: 10 mph
9 PM
Cloudy Night
73°
Feels Like 70°
0
Humidity: 39%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 46%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 53%
UV Index: 0
Wind: 7 mph

Weather Alerts and Warnings for Jurupa Valley

Air Quality Alert

Air Quality Alert issued May 20 at 5:44PM PDT by NWS San Diego CA
May 20, 5:44 PM May 21, 5:45 PM
WHAT: The South Coast AQMD has issued an air quality alert due to
increased fine particle pollution from wildfire smoke. Visit
https://www.aqmd.gov/alertinfo to check current and forecasted air
quality levels.

WHERE: in portions of Riverside, San Bernardino, and Los Angeles
Counties. Levels of particle pollution can vary by time and
location depending on fire activity and local weather conditions.

WHEN: until Thursday at 10:00 PM.

IMPACTS: Particles in wildfire smoke can get deep into the lungs
and cause serious health problems such as heart attacks, strokes,
asthma attacks, and difficulty breathing. Everyone can be affected,
but people with lung or heart disease, older adults, people who are
pregnant, children, and those who spend a lot of time outdoors are
at greater risk.
+ Read More
To protect your health, if you smell or see smoke: * Remain indoors with windows and doors closed * Avoid intense outdoor physical activity * Run your air conditioner and/or an air purifier * If you must be outdoors, keep the time brief and wear a well- fitting N-95 mask * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and garden equipment
Updated: May 20, 10:59 PM Source: NWS Alert