Current Weather Forecast for Castaic

CA 91310  |   4:39pm

Weather Conditions

98°

Feels Like 98°

Sunny

61° 101° AIR QUALITY ALERT

2

AIR QUALITY ALERT

2

4

UV Index

Moderate

Air Quality

SSW 14 mph

Wind

0 in

rain

Tonight

Fri 7/31

70°

Lowest Temperature

Clear skies. Low around 70F. Winds NNW at 10 to 20 mph.

Tomorrow

Sat 8/1

101°

Highest Temperature

A mainly sunny sky. Hot. High 101F. Winds SW at 10 to 20 mph.

Tomorrow night

Sat 8/1

70°

Lowest Temperature

Clear skies. Low near 70F. Winds NNW at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Castaic

Hourly Weather Forecast & Temperature

5PM

97°

Feels Like 97°

AIR QUALITY ALERT

2

Sunny

SW 14 mph

Wind

1011 mb

Pressure

20%

Humidity

3

UV Index

10mi

Visibility

0%

Cloud Cover

6PM

95°

Feels Like 95°

AIR QUALITY ALERT

2

Sunny

SW 12 mph

Wind

1011 mb

Pressure

22%

Humidity

1

UV Index

10mi

Visibility

0%

Cloud Cover

7PM

90°

Feels Like 90°

AIR QUALITY ALERT

2

Sunny

SW 9 mph

Wind

1012 mb

Pressure

28%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

8PM

82°

Feels Like 82°

AIR QUALITY ALERT

2

Clear

WSW 7 mph

Wind

1012 mb

Pressure

41%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

9PM

79°

Feels Like 81°

AIR QUALITY ALERT

2

Clear

NW 4 mph

Wind

1013 mb

Pressure

45%

Humidity

0

UV Index

10mi

Visibility

13%

Cloud Cover

10PM

78°

Feels Like 78°

AIR QUALITY ALERT

2

Clear

N 5 mph

Wind

1013 mb

Pressure

48%

Humidity

0

UV Index

10mi

Visibility

10%

Cloud Cover

11PM

1%

77°

Feels Like 77°

AIR QUALITY ALERT

2

Clear

N 6 mph

Wind

1013 mb

Pressure

48%

Humidity

0

UV Index

10mi

Visibility

13%

Cloud Cover

12AM

76°

Feels Like 76°

AIR QUALITY ALERT

2

Clear

N 6 mph

Wind

1013 mb

Pressure

46%

Humidity

0

UV Index

10mi

Visibility

5%

Cloud Cover

1AM

75°

Feels Like 75°

AIR QUALITY ALERT

2

Clear

N 6 mph

Wind

1013 mb

Pressure

47%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

2AM

74°

Feels Like 74°

AIR QUALITY ALERT

2

Clear

N 6 mph

Wind

1013 mb

Pressure

47%

Humidity

0

UV Index

10mi

Visibility

11%

Cloud Cover

3AM

73°

Feels Like 73°

AIR QUALITY ALERT

2

Clear

N 6 mph

Wind

1013 mb

Pressure

47%

Humidity

0

UV Index

10mi

Visibility

10%

Cloud Cover

4AM

1%

72°

Feels Like 72°

AIR QUALITY ALERT

2

Clear

N 6 mph

Wind

1013 mb

Pressure

48%

Humidity

0

UV Index

10mi

Visibility

5%

Cloud Cover

Fri 7/31

Fri

61°

101°

AIR QUALITY ALERT

Mainly clear. Lows overnight in the low 70s.

98°

Feels Like

NNW 14 mph

Wind

40%

Humidity

0

UV Index

6:04 AM

Sunrise

7:56 PM

Sunset

Sat 8/1

Sat

70°

101°

AIR QUALITY ALERT

2

Sunny. Highs 99 to 103F and lows in the low 70s.

101°

Feels Like

SW 15 mph

Wind

24%

Humidity

11

UV Index

6:05 AM

Sunrise

7:56 PM

Sunset

Sun 8/2

Sun

70°

99°

AIR QUALITY ALERT

2

Sunshine. Highs in the upper 90s and lows in the upper 60s.

99°

Feels Like

SSW 15 mph

Wind

27%

Humidity

11

UV Index

6:06 AM

Sunrise

7:55 PM

Sunset

Mon 8/3

Mon

69°

97°

Sunny. Highs in the upper 90s and lows in the upper 60s.

97°

Feels Like

SSW 15 mph

Wind

30%

Humidity

11

UV Index

6:06 AM

Sunrise

7:54 PM

Sunset

Tue 8/4

Tue

68°

95°

Sunshine. Highs in the mid 90s and lows in the upper 60s.

95°

Feels Like

SSW 14 mph

Wind

30%

Humidity

11

UV Index

6:07 AM

Sunrise

7:53 PM

Sunset

Wed 8/5

Wed

68°

94°

Abundant sunshine. Highs in the mid 90s and lows in the upper 60s.

94°

Feels Like

SSW 14 mph

Wind

29%

Humidity

11

UV Index

6:08 AM

Sunrise

7:52 PM

Sunset

Thu 8/6

Thu

69°

94°

Sunshine. Highs in the mid 90s and lows in the low 70s.

94°

Feels Like

SSW 13 mph

Wind

32%

Humidity

10

UV Index

6:08 AM

Sunrise

7:51 PM

Sunset

Fri 8/7

Fri

70°

94°

Abundant sunshine. Highs in the mid 90s and lows in the low 70s.

94°

Feels Like

SSW 13 mph

Wind

34%

Humidity

10

UV Index

6:09 AM

Sunrise

7:50 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 31371 The Old Rd Unit E, Castaic, CA 91384
• 27630 Iris Pl, Castaic, CA 91384
• 32628 Ridge Top Ln, Castaic, CA 91384

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from California

Watch: Two rattlesnakes ‘dance’ on busy street as Southern California sees spike in bite cases

Video captured in Southern California shows two large rattlesnakes fighting near a storm drain in Thousand Oaks on Tuesday, highlighting a broader, unsettling surge in snake encounters across the region.

Genevieve weakens after becoming first Category 5 in Eastern Pacific since 2024

Genevieve weakened to a Category 1 hurricane Thursday morning after becoming the Eastern Pacific's first Category 5 storm since 2024.

Millions under heat alerts as life-threatening heat dome bakes the West with triple-digit temperatures

The heat dome that has plagued the Central and Southern Plains for the last several days is retreating back to the West, bringing extreme triple-digit temperatures to the Four Corners and Desert Southwest.

Northern California rattled by magnitude 4.3 earthquake along Pacific Ring of Fire

A magnitude 4.3 earthquake rattled Northern California on Tuesday night, marking the latest quake to happen along the Pacific Ring of Fire.

Load More Stories