Tomorrow Hourly Weather Forecast for Riverside, CA

Hourly Weather | Tomorrow › Thursday, July 16, 2026

Active Weather Warnings

Extreme Heat Watch
Extreme Heat Warning

Riverside, California

12 AM

84°

Feels Like 82°

Humidity: 45%

UV Index: 0

Wind: 5 mph

1 AM

82°

Feels Like 81°

Humidity: 49%

UV Index: 0

Wind: 4 mph

2 AM

81°

Feels Like 79°

Humidity: 53%

UV Index: 0

Wind: 4 mph

3 AM

79°

Feels Like 77°

Humidity: 56%

UV Index: 0

Wind: 4 mph

4 AM

75°

Feels Like 75°

Humidity: 60%

UV Index: 0

Wind: 4 mph

5 AM

75°

Feels Like 73°

Humidity: 63%

UV Index: 0

Wind: 4 mph

6 AM

73°

Feels Like 72°

Humidity: 68%

UV Index: 0

Wind: 4 mph

7 AM

79°

Feels Like 79°

Humidity: 56%

UV Index: 1

Wind: 2 mph

8 AM

82°

Feels Like 84°

Humidity: 49%

UV Index: 2

Wind: 2 mph

9 AM

86°

Feels Like 91°

Humidity: 42%

UV Index: 3

Wind: 2 mph

10 AM

90°

Feels Like 97°

Humidity: 36%

UV Index: 5

Wind: 5 mph

11 AM

93°

Feels Like 100°

Humidity: 32%

UV Index: 8

Wind: 6 mph

12 PM

97°

Feels Like 104°

Humidity: 29%

UV Index: 11

Wind: 7 mph

1 PM

99°

Feels Like 106°

Humidity: 26%

UV Index: 11

Wind: 9 mph

2 PM

102°

Feels Like 106°

Humidity: 24%

UV Index: 11

Wind: 14 mph

3 PM

102°

Feels Like 104°

Humidity: 23%

UV Index: 8

Wind: 15 mph

4 PM

100°

Feels Like 100°

Humidity: 24%

UV Index: 5

Wind: 16 mph

5 PM

100°

Feels Like 99°

Humidity: 25%

UV Index: 3

Wind: 15 mph

6 PM

97°

Feels Like 95°

Humidity: 27%

UV Index: 2

Wind: 14 mph

7 PM

93°

Feels Like 90°

Humidity: 32%

UV Index: 1

Wind: 13 mph

8 PM

90°

Feels Like 88°

Humidity: 36%

UV Index: 0

Wind: 9 mph

9 PM

86°

Feels Like 84°

Humidity: 41%

UV Index: 0

Wind: 8 mph

10 PM

84°

Feels Like 81°

Humidity: 46%

UV Index: 0

Wind: 7 mph

11 PM

81°

Feels Like 79°

Humidity: 51%

UV Index: 0

Wind: 6 mph

Weather Alerts and Warnings for Riverside

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued July 13 at 3:16AM PDT until July 16 at 8:00PM PDT by NWS San Diego CA

Jul 14, 10:00 AM → Jul 16, 8:00 PM

WHAT: Hot and humid conditions with elevated overnight
temperatures. Temperatures will be in the 90s in the mountains
below 6000 feet, 95 to 107 or more for inland valleys, and 80s
near the coast.

WHERE: Orange County Coastal Areas, Orange County Inland Areas,
Riverside County Mountains, San Bernardino County Mountains, San
Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Mountains, San Diego
County Valleys, San Gorgonio Pass near Banning, and Santa Ana
Mountains and Foothills.

WHEN: From Tuesday morning through Thursday evening.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Jul 13, 9:28 AM Source: NWS Alert

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 15 at 1:53AM PDT until July 16 at 8:00PM PDT by NWS San Diego CA

Jul 15, 10:00 AM → Jul 16, 8:00 PM

WHAT: Hot and humid conditions with elevated overnight
temperatures in the upper 60s and lower 70s. High temperatures in
the 90s for inland Orange County and in the mountains below 6000
feet, in the mid 90s to 102 in the San Diego County valleys, and
in the upper 90s to 108 for the Inland Empire expected.

WHERE: Orange County Inland Areas, Riverside County Mountains,
San Bernardino County Mountains, San Bernardino and Riverside
County Valleys-The Inland Empire, San Diego County Mountains, San
Diego County Valleys, San Gorgonio Pass near Banning, and Santa
Ana Mountains and Foothills.

WHEN: From 10 AM this morning to 8 PM PDT Thursday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.

+ 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.

Updated: Jul 15, 2:04 AM Source: NWS Alert

Weather Alerts and Warnings for Riverside

Extreme Heat Watch

Extreme Heat Warning

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