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Current weather in Onyx is clear sky.

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This page shows hourly weather forecast for Onyx, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Onyx updated regularly?

Weather data for Onyx is updated regularly with the latest available observations and forecasts.

Now · 4:33 PM

Onyx Weather & Hourly Forecast

United States · California · 93255

78°F

Sunny

Feels like: 73°F

💧 Humidity 20% 🌡 Pressure 29.83 inHg 💨 Wind 4 mph 👁 Visibility 31.2 mi ☁ Clouds 2% ☀️ UV index 2.9 · Low 🌅 Sunrise 6:39 AM 🌇 Sunset 6:51 PM

Hourly Forecast for Onyx

Today

5:00 PM

Sunny

78° 💧 None 💨 4 mph H 20%29.83 inHg

8:00 PM

Clear night

68° 💧 None 💨 3 mph H 37%29.91 inHg

11:00 PM

Clear night

63° 💧 None 💨 0 mph H 44%29.97 inHg

Tomorrow

2:00 AM

Clear night

57° 💧 None 💨 1 mph H 48%29.97 inHg

5:00 AM

Clear night

55° 💧 None 💨 1 mph H 47%29.94 inHg

8:00 AM

Sunny

61° 💧 None 💨 2 mph H 34%29.97 inHg

11:00 AM

Sunny

81° 💧 None 💨 3 mph H 18%29.94 inHg

2:00 PM

Sunny

85° 💧 None 💨 6 mph H 14%29.88 inHg

5:00 PM

Sunny

83° 💧 None 💨 4 mph H 15%29.85 inHg

8:00 PM

Clear night

74° 💧 None 💨 0 mph H 23%29.88 inHg

11:00 PM

Clear night

66° 💧 None 💨 1 mph H 29%29.94 inHg

Thursday

2:00 AM

Clear night

61° 💧 None 💨 1 mph H 34%29.97 inHg

5:00 AM

Clear night

57° 💧 None 💨 2 mph H 39%29.97 inHg

8:00 AM

Sunny

63° 💧 None 💨 2 mph H 31%30.00 inHg

11:00 AM

Sunny

82° 💧 None 💨 3 mph H 16%29.94 inHg

2:00 PM

Sunny

86° 💧 None 💨 3 mph H 12%29.88 inHg

Today

5:00 PM

Sunny

78° 💧 None 💨 4 mph H 20%29.83 inHg

6:00 PM

Sunny

76° 💧 None 💨 6 mph H 24%29.85 inHg

7:00 PM

Clear night

71° 💧 None 💨 4 mph H 32%29.88 inHg

8:00 PM

Clear night

68° 💧 None 💨 3 mph H 37%29.91 inHg

9:00 PM

Clear night

66° 💧 None 💨 1 mph H 40%29.94 inHg

10:00 PM

Clear night

64° 💧 None 💨 0 mph H 43%29.94 inHg

11:00 PM

Clear night

63° 💧 None 💨 0 mph H 44%29.97 inHg

Tomorrow

12:00 AM

Clear night

61° 💧 None 💨 0 mph H 45%29.97 inHg

1:00 AM

Clear night

59° 💧 None 💨 1 mph H 47%29.97 inHg

2:00 AM

Clear night

57° 💧 None 💨 1 mph H 48%29.97 inHg

3:00 AM

Clear night

56° 💧 None 💨 1 mph H 48%29.97 inHg

4:00 AM

Clear night

55° 💧 None 💨 1 mph H 48%29.97 inHg

5:00 AM

Clear night

55° 💧 None 💨 1 mph H 47%29.94 inHg

6:00 AM

Clear night

54° 💧 None 💨 1 mph H 47%29.97 inHg

7:00 AM

Sunny

54° 💧 None 💨 1 mph H 45%29.97 inHg

8:00 AM

Sunny

61° 💧 None 💨 2 mph H 34%29.97 inHg

9:00 AM

Sunny

71° 💧 None 💨 1 mph H 26%29.97 inHg

10:00 AM

Sunny

76° 💧 None 💨 1 mph H 22%29.97 inHg

11:00 AM

Sunny

81° 💧 None 💨 3 mph H 18%29.94 inHg

12:00 PM

Sunny

83° 💧 None 💨 5 mph H 15%29.91 inHg

1:00 PM

Sunny

85° 💧 None 💨 6 mph H 15%29.88 inHg

2:00 PM

Sunny

85° 💧 None 💨 6 mph H 14%29.88 inHg

3:00 PM

Sunny

85° 💧 None 💨 5 mph H 14%29.85 inHg

4:00 PM

Sunny

84° 💧 None 💨 5 mph H 14%29.85 inHg

5:00 PM

Sunny

83° 💧 None 💨 4 mph H 15%29.85 inHg

6:00 PM

Sunny

82° 💧 None 💨 2 mph H 16%29.85 inHg

7:00 PM

Clear night

77° 💧 None 💨 1 mph H 20%29.85 inHg

8:00 PM

Clear night

74° 💧 None 💨 0 mph H 23%29.88 inHg

9:00 PM

Clear night

71° 💧 None 💨 0 mph H 26%29.91 inHg

10:00 PM

Clear night

69° 💧 None 💨 0 mph H 27%29.94 inHg

11:00 PM

Clear night

66° 💧 None 💨 1 mph H 29%29.94 inHg

Thursday

12:00 AM

Clear night

64° 💧 None 💨 1 mph H 30%29.94 inHg

1:00 AM

Clear night

62° 💧 None 💨 1 mph H 32%29.97 inHg

2:00 AM

Clear night

61° 💧 None 💨 1 mph H 34%29.97 inHg

3:00 AM

Clear night

59° 💧 None 💨 1 mph H 36%29.97 inHg

4:00 AM

Clear night

58° 💧 None 💨 2 mph H 37%29.94 inHg

5:00 AM

Clear night

57° 💧 None 💨 2 mph H 39%29.97 inHg

6:00 AM

Clear night

56° 💧 None 💨 2 mph H 40%29.97 inHg

7:00 AM

Sunny

56° 💧 None 💨 2 mph H 40%29.97 inHg

8:00 AM

Sunny

63° 💧 None 💨 2 mph H 31%30.00 inHg

9:00 AM

Sunny

73° 💧 None 💨 1 mph H 22%29.97 inHg

10:00 AM

Sunny

78° 💧 None 💨 2 mph H 19%29.97 inHg

11:00 AM

Sunny

82° 💧 None 💨 3 mph H 16%29.94 inHg

12:00 PM

Sunny

84° 💧 None 💨 4 mph H 14%29.94 inHg

1:00 PM

Sunny

85° 💧 None 💨 4 mph H 12%29.91 inHg

2:00 PM

Sunny

86° 💧 None 💨 3 mph H 12%29.88 inHg

3:00 PM

Sunny

86° 💧 None 💨 3 mph H 11%29.85 inHg

4:00 PM

Sunny

86° 💧 None 💨 6 mph H 12%29.85 inHg

5:00 PM

Mostly sunny

84° 💧 None 💨 9 mph H 15%29.85 inHg

6:00 PM

Sunny

80° 💧 None 💨 9 mph H 17%29.85 inHg

7:00 PM

Clear night

76° 💧 None 💨 4 mph H 20%29.88 inHg

8:00 PM

Clear night

73° 💧 None 💨 3 mph H 23%29.88 inHg

9:00 PM

Clear night

71° 💧 None 💨 2 mph H 26%29.91 inHg

10:00 PM

Clear night

69° 💧 None 💨 1 mph H 29%29.94 inHg

11:00 PM

Clear night

67° 💧 None 💨 1 mph H 31%29.94 inHg

Friday

12:00 AM

Clear night

65° 💧 None 💨 0 mph H 34%29.94 inHg

1:00 AM

Mostly clear night

63° 💧 None 💨 1 mph H 34%29.94 inHg

2:00 AM

Clear night

62° 💧 None 💨 1 mph H 36%29.94 inHg

3:00 AM

Clear night

60° 💧 None 💨 1 mph H 37%29.94 inHg

4:00 AM

Clear night

58° 💧 None 💨 1 mph H 39%29.94 inHg

5:00 AM

Clear night

58° 💧 None 💨 1 mph H 41%29.94 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 1 mph H 32%30.00 inHg

11:00 AM

Sunny

78° 💧 None 💨 6 mph H 22%29.97 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 11 mph H 14%29.91 inHg

5:00 PM

Partly cloudy

78° 💧 None 💨 10 mph H 15%29.88 inHg

8:00 PM

Clear night

67° 💧 None 💨 3 mph H 25%29.91 inHg

11:00 PM

Partly cloudy night

60° 💧 None 💨 3 mph H 33%29.94 inHg

Saturday

2:00 AM

Partly cloudy night

56° 💧 None 💨 2 mph H 32%29.94 inHg

5:00 AM

Partly cloudy night

54° 💧 None 💨 1 mph H 35%29.94 inHg

8:00 AM

Partly cloudy

61° 💧 None 💨 1 mph H 30%29.97 inHg

11:00 AM

Mostly cloudy

75° 💧 None 💨 5 mph H 18%29.94 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 5 mph H 12%29.88 inHg

5:00 PM

Sunny

78° 💧 None 💨 7 mph H 15%29.85 inHg

8:00 PM

Partly cloudy night

68° 💧 None 💨 1 mph H 24%29.88 inHg

11:00 PM

Partly cloudy night

60° 💧 None 💨 2 mph H 28%29.91 inHg

Sunday

2:00 AM

Mostly cloudy night

58° 💧 None 💨 1 mph H 31%29.88 inHg

5:00 AM

Partly cloudy night

57° 💧 None 💨 1 mph H 32%29.88 inHg

8:00 AM

Mostly sunny

61° 💧 None 💨 1 mph H 29%29.94 inHg

11:00 AM

Sunny

74° 💧 None 💨 4 mph H 16%29.91 inHg

2:00 PM

Sunny

79° 💧 None 💨 8 mph H 12%29.83 inHg

5:00 PM

Sunny

75° 💧 None 💨 10 mph H 13%29.80 inHg

8:00 PM

Clear night

63° 💧 None 💨 3 mph H 24%29.83 inHg

11:00 PM

Clear night

57° 💧 None 💨 2 mph H 28%29.85 inHg

Monday

2:00 AM

Clear night

53° 💧 None 💨 2 mph H 33%29.85 inHg

5:00 AM

Clear night

50° 💧 None 💨 1 mph H 37%29.85 inHg

11:00 AM

Sunny

70° 💧 None 💨 5 mph H 20%29.85 inHg

5:00 PM

Sunny

73° 💧 None 💨 5 mph H 17%29.77 inHg

11:00 PM

Clear night

57° 💧 None 💨 1 mph H 32%29.85 inHg

Tuesday

5:00 AM

Clear night

53° 💧 None 💨 2 mph H 26%29.85 inHg

11:00 AM

Sunny

79° 💧 None 💨 3 mph H 11%29.85 inHg

5:00 PM

Sunny

81° 💧 None 💨 5 mph H 8%29.74 inHg

11:00 PM

Clear night

63° 💧 None 💨 1 mph H 17%29.83 inHg

Wednesday

5:00 AM

Clear night

56° 💧 None 💨 1 mph H 25%29.83 inHg

11:00 AM

Sunny

75° 💧 None 💨 6 mph H 18%29.80 inHg

5:00 PM

Sunny

76° 💧 None 💨 8 mph H 16%29.71 inHg

11:00 PM

Clear night

57° 💧 None 💨 2 mph H 28%29.80 inHg

Thursday

5:00 AM

Clear night

54° 💧 None 💨 1 mph H 23%29.83 inHg

11:00 AM

Sunny

80° 💧 None 💨 4 mph H 9%29.85 inHg

5:00 PM

Sunny

80° 💧 None 💨 5 mph H 9%29.80 inHg

11:00 PM

Clear night

59° 💧 None 💨 4 mph H 18%29.91 inHg

Friday

5:00 AM

Clear night

56° 💧 None 💨 3 mph H 20%29.91 inHg

11:00 AM

Sunny

81° 💧 None 💨 3 mph H 10%29.94 inHg

5:00 PM

Sunny

84° 💧 None 💨 7 mph H 10%29.83 inHg

11:00 PM

Clear night

62° 💧 None 💨 3 mph H 23%29.88 inHg

Saturday

5:00 AM

Clear night

55° 💧 None 💨 2 mph H 31%29.91 inHg

11:00 AM

Sunny

80° 💧 None 💨 3 mph H 12%29.91 inHg

5:00 PM

Sunny

83° 💧 None 💨 9 mph H 9%29.80 inHg

11:00 PM

Clear night

61° 💧 None 💨 2 mph H 19%29.85 inHg

Sunday

5:00 AM

Clear night

56° 💧 None 💨 2 mph H 22%29.85 inHg

11:00 AM

Sunny

79° 💧 None 💨 5 mph H 16%29.83 inHg

5:00 PM

Sunny

81° 💧 None 💨 10 mph H 11%29.74 inHg

11:00 PM

Clear night

62° 💧 None 💨 3 mph H 27%29.77 inHg

Monday

5:00 AM

Clear night

57° 💧 None 💨 1 mph H 34%29.80 inHg

11:00 AM

Sunny

75° 💧 None 💨 8 mph H 22%29.77 inHg

5:00 PM

Sunny

74° 💧 None 💨 10 mph H 15%29.68 inHg

11:00 PM

Clear night

56° 💧 None 💨 3 mph H 22%29.74 inHg

Tuesday

5:00 AM

Clear night

49° 💧 None 💨 2 mph H 30%29.77 inHg

11:00 AM

Sunny

67° 💧 None 💨 5 mph H 26%29.83 inHg

5:00 PM

Sunny

70° 💧 None 💨 7 mph H 18%29.77 inHg

11:00 PM

Clear night

53° 💧 None 💨 2 mph H 33%29.88 inHg

Wednesday

5:00 AM

Clear night

47° 💧 None 💨 3 mph H 30%29.91 inHg

In Onyx and, more broadly, across the state of California: Tonight, expect mostly cloudy skies with mild to warm temperatures ranging from 73 to 80 degrees Fahrenheit. Winds will be light, coming from the west at around 9 mph, with occasional gusts reaching up to 16 mph. No precipitation is forecast for the evening and the early night hours, so outdoor plans should be comfortable. Temperatures may gradually cool into the lower 70s later in the night, but overall, conditions will remain mild. The wind remains gentle, providing a slight breeze without causing concern. Overall, it should be a pleasant evening with no weather-related disruptions.

15-Day Weather Outlook for Onyx

TomorrowTomorrow

Sunny 85°/54° 💧 None 💨 6 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 86°/56° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 82°/58° 💧 None 💨 11 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 79°/54° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 79°/57° 💧 None 💨 10 mph

Monday, Sep 28Mon Sep 28

Sunny 73°/50° 💧 None 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Sunny 81°/53° 💧 None 💨 5 mph

Wednesday, Sep 30Wed Sep 30

Sunny 76°/56° 💧 None 💨 8 mph

Thursday, Oct 1Thu Oct 1

Sunny 80°/54° 💧 None 💨 5 mph

Friday, Oct 2Fri Oct 2

Sunny 84°/56° 💧 None 💨 7 mph

Saturday, Oct 3Sat Oct 3

Sunny 83°/55° 💧 None 💨 9 mph

Sunday, Oct 4Sun Oct 4

Sunny 81°/56° 💧 None 💨 10 mph

Monday, Oct 5Mon Oct 5

Sunny 75°/56° 💧 None 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Sunny 70°/49° 💧 None 💨 7 mph

Wednesday, Oct 7Wed Oct 7

Sunny 47°/47° 💧 None 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Onyx

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Onyx

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 5:00 PM

PM2.5 Fine particles Fair 14,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 19,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Moderate 133,2µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,8µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Onyx

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 7,9High 😐Moderate

Tomorrow UV 8,0Very high 😐Moderate

Thursday UV 7,7High 😐Moderate

Friday UV 7,6High 😐Moderate

Saturday UV 7,0High 😐Moderate

Sunday UV 7,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

5:00 PMUV 1,1 6:00 PMUV 0,3 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Onyx

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ONYX, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:15 PM–5:16 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 69° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min75%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Onyx were last refreshed today at 4:33 PM. The current forecast period extends through 24/09/2026 at 2:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.