Tomorrow Hourly Weather Forecast for Santa Monica, CA

Hourly Weather | Tomorrow › Thursday, March 19, 2026

Active Weather Warnings

Extreme Heat Watch
Heat Advisory

Santa Monica, California

12 AM

63°

Feels Like 63°

Humidity: 79%

UV Index: 0

Wind: 5 mph

1 AM

63°

Feels Like 63°

Humidity: 80%

UV Index: 0

Wind: 5 mph

2 AM

63°

Feels Like 63°

Humidity: 80%

UV Index: 0

Wind: 5 mph

3 AM

63°

Feels Like 63°

Humidity: 79%

UV Index: 0

Wind: 5 mph

4 AM

63°

Feels Like 63°

Humidity: 78%

UV Index: 0

Wind: 4 mph

5 AM

61°

Feels Like 61°

Humidity: 76%

UV Index: 0

Wind: 4 mph

6 AM

61°

Feels Like 61°

Humidity: 77%

UV Index: 0

Wind: 4 mph

7 AM

59°

Feels Like 59°

Humidity: 79%

UV Index: 0

Wind: 4 mph

8 AM

64°

Feels Like 66°

Humidity: 67%

UV Index: 1

Wind: 4 mph

9 AM

66°

Feels Like 70°

Humidity: 60%

UV Index: 2

Wind: 5 mph

10 AM

72°

Feels Like 73°

Humidity: 55%

UV Index: 3

Wind: 6 mph

11 AM

73°

Feels Like 79°

Humidity: 49%

UV Index: 4

Wind: 6 mph

12 PM

77°

Feels Like 82°

Humidity: 46%

UV Index: 6

Wind: 7 mph

1 PM

79°

Feels Like 84°

Humidity: 43%

UV Index: 6

Wind: 7 mph

2 PM

79°

Feels Like 82°

Humidity: 45%

UV Index: 6

Wind: 8 mph

3 PM

79°

Feels Like 81°

Humidity: 45%

UV Index: 4

Wind: 8 mph

4 PM

79°

Feels Like 79°

Humidity: 45%

UV Index: 3

Wind: 8 mph

5 PM

75°

Feels Like 75°

Humidity: 47%

UV Index: 2

Wind: 8 mph

6 PM

75°

Feels Like 73°

Humidity: 51%

UV Index: 1

Wind: 7 mph

7 PM

73°

Feels Like 72°

Humidity: 58%

UV Index: 0

Wind: 6 mph

8 PM

72°

Feels Like 70°

Humidity: 66%

UV Index: 0

Wind: 5 mph

9 PM

70°

Feels Like 66°

Humidity: 71%

UV Index: 0

Wind: 5 mph

10 PM

66°

Feels Like 64°

Humidity: 74%

UV Index: 0

Wind: 5 mph

11 PM

66°

Feels Like 64°

Humidity: 76%

UV Index: 0

Wind: 5 mph

Weather Alerts and Warnings for Santa Monica

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued March 15 at 12:07AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Mar 16, 8:00 PM → Mar 20, 8:00 PM

WHAT: For the Heat Advisory, temperatures of 82 to 98 expected..
For the Extreme Heat Watch, dangerously hot conditions with
temperatures of 90 to 104 are possible.

WHERE: A portion of southwest California.

WHEN: For the Heat Advisory, from 10 AM to 8 PM PDT Monday. For
the Extreme Heat Watch, from Monday evening through Friday 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. There is a high risk
for heat illness for sensitive populations including 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.

Updated: Mar 15, 11:43 AM Source: NWS Alert

Moderate Expected Likely

Heat Advisory

Heat Advisory issued March 18 at 1:48AM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Mar 18, 1:48 AM → Mar 20, 8:00 PM

WHAT: Hot conditions with high temperatures in the 80s and 90s
expected.

WHERE: Los Angeles County Beaches, Malibu Coast, Palos Verdes
Hills, Ventura County Beaches, and Ventura County Inland Coast.

WHEN: Until 8 PM PDT Friday.

IMPACTS: There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.

ADDITIONAL DETAILS: Warm overnight low temperatures will
contribute to the heat risk, especially in the mountain and
foothill locations.

+ Read More

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

Updated: Mar 18, 9:15 AM Source: NWS Alert

Weather Alerts and Warnings for Santa Monica

Extreme Heat Watch

Heat Advisory

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