What is the weather in Simi Valley right now?

Current weather in Simi Valley is clear sky.

Where can I find the hourly weather forecast for Simi Valley?

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

Is the weather forecast for Simi Valley updated regularly?

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

Now · 4:27 AM

Simi Valley Weather & Hourly Forecast

United States · California · 93065

62°F

Clear night

Feels like: 63°F

💧 Humidity 87% 🌡 Pressure 29.85 inHg 💨 Wind 2 mph 👁 Visibility 13.5 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:42 AM 🌇 Sunset 6:51 PM

Hourly Forecast for Simi Valley

Today

5:00 AM

Clear night

61° 💧 None 💨 2 mph H 82%29.85 inHg

8:00 AM

Sunny

67° 💧 None 💨 4 mph H 52%29.88 inHg

11:00 AM

Sunny

92° 💧 None 💨 3 mph H 17%29.85 inHg

2:00 PM

Sunny

94° 💧 None 💨 8 mph H 23%29.83 inHg

5:00 PM

Sunny

87° 💧 None 💨 8 mph H 32%29.83 inHg

8:00 PM

Clear night

76° 💧 None 💨 0 mph H 41%29.85 inHg

11:00 PM

Clear night

73° 💧 None 💨 3 mph H 46%29.88 inHg

Tomorrow

2:00 AM

Clear night

66° 💧 None 💨 2 mph H 81%29.88 inHg

5:00 AM

Clear night

63° 💧 None 💨 2 mph H 77%29.88 inHg

8:00 AM

Sunny

68° 💧 None 💨 2 mph H 61%29.91 inHg

11:00 AM

Sunny

89° 💧 None 💨 3 mph H 25%29.88 inHg

2:00 PM

Sunny

92° 💧 None 💨 8 mph H 29%29.85 inHg

5:00 PM

Sunny

87° 💧 None 💨 8 mph H 28%29.85 inHg

8:00 PM

Clear night

75° 💧 None 💨 2 mph H 43%29.88 inHg

11:00 PM

Clear night

71° 💧 None 💨 2 mph H 54%29.91 inHg

Friday

2:00 AM

Clear night

67° 💧 None 💨 3 mph H 78%29.91 inHg

Today

5:00 AM

Clear night

61° 💧 None 💨 2 mph H 82%29.85 inHg

6:00 AM

Clear night

61° 💧 None 💨 2 mph H 76%29.85 inHg

7:00 AM

Sunny

61° 💧 None 💨 2 mph H 69%29.85 inHg

8:00 AM

Sunny

67° 💧 None 💨 4 mph H 52%29.88 inHg

9:00 AM

Sunny

76° 💧 None 💨 2 mph H 34%29.88 inHg

10:00 AM

Sunny

85° 💧 None 💨 2 mph H 23%29.88 inHg

11:00 AM

Sunny

92° 💧 None 💨 3 mph H 17%29.85 inHg

12:00 PM

Sunny

95° 💧 None 💨 1 mph H 14%29.85 inHg

1:00 PM

Sunny

96° 💧 None 💨 4 mph H 15%29.83 inHg

2:00 PM

Sunny

94° 💧 None 💨 8 mph H 23%29.83 inHg

3:00 PM

Sunny

91° 💧 None 💨 10 mph H 25%29.83 inHg

4:00 PM

Sunny

89° 💧 None 💨 8 mph H 28%29.83 inHg

5:00 PM

Sunny

87° 💧 None 💨 8 mph H 32%29.83 inHg

6:00 PM

Sunny

82° 💧 None 💨 8 mph H 36%29.83 inHg

7:00 PM

Clear night

78° 💧 None 💨 3 mph H 39%29.83 inHg

8:00 PM

Clear night

76° 💧 None 💨 0 mph H 41%29.85 inHg

9:00 PM

Clear night

75° 💧 None 💨 1 mph H 41%29.85 inHg

10:00 PM

Clear night

74° 💧 None 💨 1 mph H 42%29.88 inHg

11:00 PM

Clear night

73° 💧 None 💨 3 mph H 46%29.88 inHg

Tomorrow

12:00 AM

Clear night

70° 💧 None 💨 3 mph H 60%29.88 inHg

1:00 AM

Clear night

67° 💧 None 💨 2 mph H 73%29.88 inHg

2:00 AM

Clear night

66° 💧 None 💨 2 mph H 81%29.88 inHg

3:00 AM

Clear night

65° 💧 None 💨 3 mph H 81%29.88 inHg

4:00 AM

Clear night

64° 💧 None 💨 3 mph H 78%29.88 inHg

5:00 AM

Clear night

63° 💧 None 💨 2 mph H 77%29.88 inHg

6:00 AM

Clear night

63° 💧 None 💨 2 mph H 77%29.88 inHg

7:00 AM

Sunny

62° 💧 None 💨 2 mph H 75%29.88 inHg

8:00 AM

Sunny

68° 💧 None 💨 2 mph H 61%29.91 inHg

9:00 AM

Sunny

77° 💧 None 💨 1 mph H 39%29.91 inHg

10:00 AM

Sunny

84° 💧 None 💨 1 mph H 29%29.91 inHg

11:00 AM

Sunny

89° 💧 None 💨 3 mph H 25%29.88 inHg

12:00 PM

Sunny

92° 💧 None 💨 5 mph H 25%29.88 inHg

1:00 PM

Sunny

93° 💧 None 💨 7 mph H 27%29.85 inHg

2:00 PM

Sunny

92° 💧 None 💨 8 mph H 29%29.85 inHg

3:00 PM

Sunny

91° 💧 None 💨 9 mph H 30%29.85 inHg

4:00 PM

Sunny

89° 💧 None 💨 8 mph H 29%29.83 inHg

5:00 PM

Sunny

87° 💧 None 💨 8 mph H 28%29.85 inHg

6:00 PM

Sunny

83° 💧 None 💨 7 mph H 29%29.85 inHg

7:00 PM

Clear night

78° 💧 None 💨 5 mph H 36%29.88 inHg

8:00 PM

Clear night

75° 💧 None 💨 2 mph H 43%29.88 inHg

9:00 PM

Clear night

73° 💧 None 💨 0 mph H 48%29.91 inHg

10:00 PM

Clear night

72° 💧 None 💨 1 mph H 49%29.91 inHg

11:00 PM

Clear night

71° 💧 None 💨 2 mph H 54%29.91 inHg

Friday

12:00 AM

Clear night

69° 💧 None 💨 2 mph H 63%29.91 inHg

1:00 AM

Clear night

68° 💧 None 💨 2 mph H 71%29.91 inHg

2:00 AM

Clear night

67° 💧 None 💨 3 mph H 78%29.91 inHg

3:00 AM

Partly cloudy night

66° 💧 None 💨 3 mph H 82%29.88 inHg

4:00 AM

Mostly clear night

66° 💧 None 💨 1 mph H 82%29.88 inHg

5:00 AM

Partly cloudy night

66° 💧 None 💨 1 mph H 81%29.88 inHg

6:00 AM

Mostly cloudy night

65° 💧 None 💨 1 mph H 78%29.91 inHg

7:00 AM

Sunny

64° 💧 None 💨 1 mph H 75%29.91 inHg

8:00 AM

Sunny

69° 💧 None 💨 3 mph H 59%29.94 inHg

9:00 AM

Sunny

78° 💧 None 💨 2 mph H 39%29.94 inHg

10:00 AM

Sunny

83° 💧 None 💨 2 mph H 32%29.94 inHg

11:00 AM

Sunny

88° 💧 None 💨 2 mph H 26%29.91 inHg

12:00 PM

Sunny

91° 💧 None 💨 4 mph H 23%29.91 inHg

1:00 PM

Sunny

93° 💧 None 💨 6 mph H 21%29.88 inHg

2:00 PM

Sunny

93° 💧 None 💨 8 mph H 23%29.88 inHg

3:00 PM

Mostly sunny

92° 💧 None 💨 9 mph H 27%29.85 inHg

4:00 PM

Mostly cloudy

90° 💧 None 💨 8 mph H 27%29.85 inHg

5:00 PM

Partly cloudy

88° 💧 None 💨 8 mph H 28%29.85 inHg

8:00 PM

Clear night

77° 💧 None 💨 2 mph H 42%29.85 inHg

11:00 PM

Clear night

73° 💧 None 💨 4 mph H 50%29.85 inHg

Saturday

2:00 AM

Mostly cloudy night

72° 💧 None 💨 4 mph H 50%29.85 inHg

5:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 51%29.85 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 6 mph H 34%29.88 inHg

11:00 AM

Mostly sunny

90° 💧 None 💨 4 mph H 17%29.88 inHg

2:00 PM

Partly cloudy

94° 💧 None 💨 6 mph H 17%29.85 inHg

5:00 PM

Sunny

89° 💧 None 💨 7 mph H 25%29.83 inHg

8:00 PM

Partly cloudy night

78° 💧 None 💨 3 mph H 38%29.85 inHg

11:00 PM

Overcast night

76° 💧 None 💨 3 mph H 40%29.88 inHg

Sunday

2:00 AM

Overcast night

71° 💧 None 💨 1 mph H 54%29.88 inHg

5:00 AM

Overcast night

71° 💧 None 💨 2 mph H 53%29.88 inHg

8:00 AM

Mostly sunny

72° 💧 None 💨 2 mph H 49%29.91 inHg

11:00 AM

Sunny

84° 💧 None 💨 5 mph H 20%29.91 inHg

2:00 PM

Sunny

88° 💧 None 💨 6 mph H 16%29.88 inHg

5:00 PM

Sunny

82° 💧 None 💨 7 mph H 29%29.85 inHg

8:00 PM

Clear night

71° 💧 None 💨 1 mph H 50%29.88 inHg

11:00 PM

Clear night

67° 💧 None 💨 1 mph H 56%29.88 inHg

Monday

2:00 AM

Clear night

65° 💧 None 💨 3 mph H 52%29.85 inHg

5:00 AM

Clear night

63° 💧 None 💨 4 mph H 49%29.85 inHg

8:00 AM

Sunny

67° 💧 None 💨 6 mph H 33%29.88 inHg

11:00 AM

Sunny

84° 💧 None 💨 1 mph H 15%29.85 inHg

2:00 PM

Sunny

87° 💧 None 💨 8 mph H 21%29.83 inHg

5:00 PM

Sunny

82° 💧 None 💨 9 mph H 24%29.77 inHg

11:00 PM

Clear night

71° 💧 None 💨 5 mph H 24%29.80 inHg

Tuesday

5:00 AM

Clear night

65° 💧 None 💨 6 mph H 28%29.80 inHg

11:00 AM

Sunny

92° 💧 None 💨 10 mph H 9%29.83 inHg

5:00 PM

Sunny

92° 💧 None 💨 9 mph H 10%29.74 inHg

11:00 PM

Clear night

76° 💧 None 💨 4 mph H 20%29.80 inHg

Wednesday

5:00 AM

Clear night

71° 💧 None 💨 6 mph H 19%29.80 inHg

11:00 AM

Sunny

92° 💧 None 💨 3 mph H 9%29.88 inHg

5:00 PM

Sunny

93° 💧 None 💨 5 mph H 16%29.80 inHg

11:00 PM

Clear night

76° 💧 None 💨 2 mph H 34%29.85 inHg

Thursday

5:00 AM

Mostly cloudy night

72° 💧 None 💨 4 mph H 34%29.83 inHg

11:00 AM

Mostly sunny

91° 💧 None 💨 2 mph H 14%29.85 inHg

5:00 PM

Mostly sunny

90° 💧 None 💨 7 mph H 14%29.80 inHg

11:00 PM

Clear night

76° 💧 None 💨 1 mph H 20%29.83 inHg

Friday

5:00 AM

Clear night

71° 💧 None 💨 4 mph H 28%29.80 inHg

11:00 AM

Sunny

89° 💧 None 💨 2 mph H 18%29.83 inHg

5:00 PM

Sunny

88° 💧 None 💨 6 mph H 23%29.77 inHg

11:00 PM

Clear night

75° 💧 None 💨 2 mph H 35%29.80 inHg

Saturday

5:00 AM

Clear night

68° 💧 None 💨 3 mph H 50%29.80 inHg

11:00 AM

Sunny

91° 💧 None 💨 1 mph H 18%29.83 inHg

5:00 PM

Sunny

90° 💧 None 💨 5 mph H 27%29.80 inHg

11:00 PM

Clear night

77° 💧 None 💨 2 mph H 43%29.85 inHg

Sunday

5:00 AM

Clear night

71° 💧 None 💨 3 mph H 49%29.85 inHg

11:00 AM

Sunny

95° 💧 None 💨 1 mph H 15%29.88 inHg

5:00 PM

Sunny

92° 💧 None 💨 7 mph H 21%29.85 inHg

11:00 PM

Clear night

77° 💧 None 💨 2 mph H 34%29.88 inHg

Monday

5:00 AM

Clear night

71° 💧 None 💨 3 mph H 42%29.85 inHg

11:00 AM

Sunny

95° 💧 None 💨 2 mph H 16%29.88 inHg

5:00 PM

Sunny

92° 💧 None 💨 8 mph H 15%29.83 inHg

11:00 PM

Clear night

78° 💧 None 💨 3 mph H 28%29.85 inHg

Tuesday

5:00 AM

Clear night

74° 💧 None 💨 5 mph H 27%29.83 inHg

11:00 AM

Sunny

99° 💧 None 💨 1 mph H 10%29.85 inHg

5:00 PM

Sunny

99° 💧 None 💨 7 mph H 12%29.80 inHg

11:00 PM

Clear night

80° 💧 None 💨 4 mph H 25%29.85 inHg

Wednesday

5:00 AM

Clear night

74° 💧 None 💨 5 mph H 24%29.83 inHg

11:00 AM

Sunny

99° 💧 None 💨 2 mph H 9%29.85 inHg

5:00 PM

Sunny

99° 💧 None 💨 8 mph H 10%29.77 inHg

In Simi Valley 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 Simi Valley

TomorrowTomorrow

Sunny 93°/62° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 93°/64° 💧 None 💨 9 mph

Saturday, Sep 26Sat Sep 26

Mostly cloudy 94°/69° 💧 None 💨 7 mph

Sunday, Sep 27Sun Sep 27

Overcast 88°/67° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Sunny 87°/63° 💧 None 💨 9 mph

Tuesday, Sep 29Tue Sep 29

Sunny 92°/65° 💧 None 💨 10 mph

Wednesday, Sep 30Wed Sep 30

Sunny 93°/71° 💧 None 💨 6 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 91°/72° 💧 None 💨 7 mph

Friday, Oct 2Fri Oct 2

Sunny 89°/71° 💧 None 💨 6 mph

Saturday, Oct 3Sat Oct 3

Sunny 91°/68° 💧 None 💨 5 mph

Sunday, Oct 4Sun Oct 4

Sunny 95°/71° 💧 None 💨 7 mph

Monday, Oct 5Mon Oct 5

Sunny 95°/71° 💧 None 💨 8 mph

Tuesday, Oct 6Tue Oct 6

Sunny 99°/74° 💧 None 💨 7 mph

Wednesday, Oct 7Wed Oct 7

Sunny 99°/74° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Simi Valley

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Simi Valley

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 AM

PM2.5 Fine particles Good 5,9µg/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 Fair 20,8µg/m³

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

O₃ Ozone Fair 76,4µg/m³

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

NO₂ Nitrogen dioxide Good 1,0µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Simi Valley

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 7,6High 🙂Fair

Tomorrow UV 7,4High 🙂Fair

Friday UV 7,3High 😐Moderate

Saturday UV 7,2High 🙂Fair

Sunday UV 7,0High 🙂Fair

Monday UV 8,0Very high —Unavailable

Tuesday UV 8,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,5 10:00 AMUV 3,3 11:00 AMUV 5,4 12:00 PMUV 7,0 1:00 PMUV 7,6 2:00 PMUV 6,9 3:00 PMUV 5,1 4:00 PMUV 3,0 5:00 PMUV 1,2 6:00 PMUV 0,3

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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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 Simi Valley

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SIMI VALLEY, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:15 PM–5:20 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 68° 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 min74%

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 Simi Valley were last refreshed today at 4:27 AM. The current forecast period extends through 25/09/2026 at 2:00 AM. 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.