What is the weather in Larkspur right now?

Current weather in Larkspur is clear sky.

Where can I find the hourly weather forecast for Larkspur?

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

Is the weather forecast for Larkspur updated regularly?

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

Now · 6:33 PM

Larkspur Weather & Hourly Forecast

United States · California · 94939

64°F

Sunny

Feels like: 61°F

💧 Humidity 70% 🌡 Pressure 29.94 inHg 💨 Wind 7 mph 👁 Visibility 17.4 mi ☁ Clouds 0% ☀️ UV index 0.6 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Larkspur

Today

7:00 PM

Sunny

64° 💧 None 💨 7 mph H 70%29.94 inHg

10:00 PM

Clear night

59° 💧 None 💨 1 mph H 84%29.94 inHg

Tomorrow

1:00 AM

Clear night

56° 💧 None 💨 1 mph H 95%29.97 inHg

4:00 AM

Mist at night

55° 💧 None 💨 1 mph H 100%29.94 inHg

7:00 AM

Fog

54° 💧 0.000 in 💨 2 mph H 100%29.97 inHg

10:00 AM

Mostly sunny

62° 💧 None 💨 1 mph H 79%30.00 inHg

1:00 PM

Mostly sunny

74° 💧 None 💨 3 mph H 47%29.97 inHg

4:00 PM

Mostly sunny

73° 💧 None 💨 7 mph H 61%29.91 inHg

7:00 PM

Sunny

71° 💧 None 💨 6 mph H 51%29.91 inHg

10:00 PM

Clear night

65° 💧 None 💨 1 mph H 60%29.91 inHg

Tuesday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 75%29.91 inHg

4:00 AM

Clear night

57° 💧 None 💨 3 mph H 91%29.94 inHg

7:00 AM

Sunny

56° 💧 None 💨 2 mph H 97%29.97 inHg

10:00 AM

Sunny

66° 💧 None 💨 3 mph H 71%30.00 inHg

1:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 49%30.00 inHg

4:00 PM

Mostly cloudy

74° 💧 None 💨 7 mph H 55%29.94 inHg

Today

7:00 PM

Sunny

64° 💧 None 💨 7 mph H 70%29.94 inHg

8:00 PM

Clear night

61° 💧 None 💨 6 mph H 77%29.94 inHg

9:00 PM

Clear night

60° 💧 None 💨 3 mph H 81%29.94 inHg

10:00 PM

Clear night

59° 💧 None 💨 1 mph H 84%29.94 inHg

11:00 PM

Clear night

58° 💧 None 💨 1 mph H 87%29.97 inHg

Tomorrow

12:00 AM

Clear night

57° 💧 None 💨 2 mph H 92%29.97 inHg

1:00 AM

Clear night

56° 💧 None 💨 1 mph H 95%29.97 inHg

2:00 AM

Clear night

56° 💧 None 💨 1 mph H 98%29.97 inHg

3:00 AM

Mostly clear night

55° 💧 None 💨 1 mph H 99%29.94 inHg

4:00 AM

Mist at night

55° 💧 None 💨 1 mph H 100%29.94 inHg

5:00 AM

Mist at night

54° 💧 None 💨 2 mph H 100%29.97 inHg

6:00 AM

Fog at night

54° 💧 None 💨 3 mph H 100%29.97 inHg

7:00 AM

Fog

54° 💧 None 💨 2 mph H 100%29.97 inHg

8:00 AM

Fog

55° 💧 None 💨 3 mph H 98%30.00 inHg

9:00 AM

Mist

58° 💧 0.000 in 💨 2 mph H 91%30.00 inHg

10:00 AM

Mostly sunny

62° 💧 None 💨 1 mph H 79%30.00 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 0 mph H 63%30.00 inHg

12:00 PM

Mostly sunny

72° 💧 None 💨 1 mph H 52%29.97 inHg

1:00 PM

Mostly sunny

74° 💧 None 💨 3 mph H 47%29.97 inHg

2:00 PM

Mostly sunny

74° 💧 None 💨 5 mph H 48%29.94 inHg

3:00 PM

Mostly sunny

73° 💧 None 💨 7 mph H 57%29.94 inHg

4:00 PM

Mostly sunny

73° 💧 None 💨 7 mph H 61%29.91 inHg

5:00 PM

Sunny

74° 💧 None 💨 8 mph H 61%29.88 inHg

6:00 PM

Sunny

73° 💧 None 💨 7 mph H 53%29.88 inHg

7:00 PM

Sunny

71° 💧 None 💨 6 mph H 51%29.91 inHg

8:00 PM

Clear night

68° 💧 None 💨 5 mph H 52%29.91 inHg

9:00 PM

Clear night

67° 💧 None 💨 4 mph H 53%29.91 inHg

10:00 PM

Clear night

65° 💧 None 💨 1 mph H 60%29.91 inHg

11:00 PM

Clear night

63° 💧 None 💨 2 mph H 63%29.91 inHg

Tuesday

12:00 AM

Clear night

62° 💧 None 💨 4 mph H 68%29.91 inHg

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 75%29.91 inHg

2:00 AM

Clear night

58° 💧 None 💨 2 mph H 82%29.91 inHg

3:00 AM

Clear night

57° 💧 None 💨 2 mph H 86%29.91 inHg

4:00 AM

Clear night

57° 💧 None 💨 3 mph H 91%29.94 inHg

5:00 AM

Clear night

57° 💧 None 💨 4 mph H 94%29.94 inHg

6:00 AM

Clear night

56° 💧 None 💨 3 mph H 96%29.94 inHg

7:00 AM

Sunny

56° 💧 None 💨 2 mph H 97%29.97 inHg

8:00 AM

Sunny

59° 💧 None 💨 2 mph H 92%29.97 inHg

9:00 AM

Sunny

63° 💧 None 💨 2 mph H 82%30.00 inHg

10:00 AM

Sunny

66° 💧 None 💨 3 mph H 71%30.00 inHg

11:00 AM

Sunny

70° 💧 None 💨 3 mph H 62%30.00 inHg

12:00 PM

Sunny

73° 💧 None 💨 3 mph H 54%30.00 inHg

1:00 PM

Mostly sunny

75° 💧 None 💨 5 mph H 49%30.00 inHg

2:00 PM

Mostly cloudy

75° 💧 None 💨 7 mph H 54%29.97 inHg

3:00 PM

Mostly cloudy

75° 💧 None 💨 7 mph H 55%29.97 inHg

4:00 PM

Mostly cloudy

74° 💧 None 💨 7 mph H 55%29.94 inHg

5:00 PM

Fog

71° 💧 None 💨 7 mph H 58%29.94 inHg

6:00 PM

Overcast

71° 💧 None 💨 7 mph H 58%29.94 inHg

7:00 PM

Overcast

69° 💧 None 💨 6 mph H 62%29.94 inHg

8:00 PM

Overcast night

67° 💧 None 💨 6 mph H 67%29.94 inHg

9:00 PM

Overcast night

66° 💧 None 💨 2 mph H 71%29.97 inHg

10:00 PM

Overcast night

65° 💧 None 💨 1 mph H 73%30.00 inHg

11:00 PM

Overcast night

63° 💧 None 💨 2 mph H 74%30.00 inHg

Wednesday

12:00 AM

Overcast night

62° 💧 None 💨 3 mph H 78%30.00 inHg

1:00 AM

Overcast night

61° 💧 None 💨 4 mph H 80%30.00 inHg

2:00 AM

Overcast night

61° 💧 None 💨 4 mph H 81%30.00 inHg

3:00 AM

Overcast night

60° 💧 None 💨 3 mph H 82%30.00 inHg

4:00 AM

Overcast night

61° 💧 None 💨 4 mph H 83%30.00 inHg

5:00 AM

Mostly cloudy night

60° 💧 None 💨 4 mph H 83%30.00 inHg

2:00 PM

Mostly cloudy

88° 💧 None 💨 3 mph H 28%30.00 inHg

5:00 PM

Partly cloudy

90° 💧 None 💨 7 mph H 20%29.97 inHg

8:00 PM

Overcast night

79° 💧 None 💨 5 mph H 27%29.94 inHg

11:00 PM

Clear night

73° 💧 None 💨 3 mph H 41%29.97 inHg

Thursday

2:00 AM

Clear night

67° 💧 None 💨 3 mph H 56%29.97 inHg

5:00 AM

Clear night

64° 💧 None 💨 2 mph H 65%29.94 inHg

8:00 AM

Sunny

66° 💧 None 💨 3 mph H 67%29.97 inHg

11:00 AM

Partly cloudy

78° 💧 None 💨 4 mph H 48%29.97 inHg

2:00 PM

Overcast

84° 💧 None 💨 6 mph H 39%29.91 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 5 mph H 38%29.88 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 5 mph H 57%29.88 inHg

11:00 PM

Partly cloudy night

66° 💧 None 💨 6 mph H 63%29.91 inHg

Friday

2:00 AM

Partly cloudy night

62° 💧 None 💨 4 mph H 76%29.88 inHg

5:00 AM

Clear night

59° 💧 None 💨 4 mph H 87%29.88 inHg

8:00 AM

Sunny

61° 💧 None 💨 4 mph H 83%29.88 inHg

11:00 AM

Sunny

71° 💧 None 💨 6 mph H 61%29.88 inHg

2:00 PM

Sunny

75° 💧 None 💨 7 mph H 53%29.85 inHg

5:00 PM

Mostly sunny

72° 💧 None 💨 7 mph H 56%29.83 inHg

8:00 PM

Partly cloudy night

63° 💧 None 💨 6 mph H 75%29.83 inHg

11:00 PM

Clear night

59° 💧 None 💨 5 mph H 80%29.83 inHg

Saturday

2:00 AM

Mostly clear night

57° 💧 None 💨 6 mph H 88%29.83 inHg

5:00 AM

Mostly clear night

56° 💧 None 💨 4 mph H 88%29.83 inHg

8:00 AM

Sunny

58° 💧 None 💨 4 mph H 80%29.85 inHg

11:00 AM

Sunny

69° 💧 None 💨 3 mph H 57%29.88 inHg

5:00 PM

Sunny

69° 💧 None 💨 6 mph H 56%29.94 inHg

11:00 PM

Partly cloudy night

69° 💧 None 💨 9 mph H 50%29.88 inHg

Sunday

5:00 AM

Mostly cloudy night

59° 💧 None 💨 5 mph H 76%29.91 inHg

11:00 AM

Overcast

56° 💧 None 💨 2 mph H 86%29.91 inHg

5:00 PM

Sunny

69° 💧 None 💨 4 mph H 54%29.94 inHg

11:00 PM

Clear night

77° 💧 None 💨 5 mph H 36%29.85 inHg

Monday

5:00 AM

Mostly clear night

60° 💧 None 💨 4 mph H 66%29.88 inHg

11:00 AM

Partly cloudy

55° 💧 None 💨 2 mph H 90%29.85 inHg

5:00 PM

Sunny

69° 💧 None 💨 5 mph H 62%29.88 inHg

11:00 PM

Mostly clear night

74° 💧 None 💨 6 mph H 50%29.83 inHg

Tuesday

5:00 AM

Clear night

59° 💧 None 💨 4 mph H 82%29.85 inHg

11:00 AM

Mostly sunny

54° 💧 None 💨 3 mph H 93%29.85 inHg

5:00 PM

Mostly sunny

65° 💧 None 💨 4 mph H 64%29.94 inHg

11:00 PM

Clear night

66° 💧 None 💨 11 mph H 57%29.91 inHg

Wednesday

5:00 AM

Clear night

57° 💧 None 💨 7 mph H 80%29.97 inHg

11:00 AM

Sunny

55° 💧 None 💨 5 mph H 88%30.00 inHg

5:00 PM

Sunny

66° 💧 None 💨 3 mph H 56%30.06 inHg

11:00 PM

Clear night

69° 💧 None 💨 7 mph H 48%30.03 inHg

Thursday

5:00 AM

Clear night

57° 💧 None 💨 3 mph H 82%30.09 inHg

11:00 AM

Sunny

54° 💧 None 💨 2 mph H 92%30.09 inHg

5:00 PM

Sunny

71° 💧 None 💨 3 mph H 50%30.12 inHg

11:00 PM

Clear night

80° 💧 None 💨 7 mph H 38%30.06 inHg

Friday

5:00 AM

Clear night

65° 💧 None 💨 5 mph H 63%30.12 inHg

11:00 AM

Sunny

62° 💧 None 💨 3 mph H 74%30.12 inHg

5:00 PM

Sunny

77° 💧 None 💨 3 mph H 47%30.12 inHg

11:00 PM

Clear night

74° 💧 None 💨 13 mph H 48%30.06 inHg

Saturday

5:00 AM

Clear night

61° 💧 None 💨 5 mph H 67%30.06 inHg

11:00 AM

Sunny

55° 💧 None 💨 3 mph H 84%30.03 inHg

5:00 PM

Sunny

71° 💧 None 💨 3 mph H 40%30.03 inHg

11:00 PM

Clear night

72° 💧 None 💨 9 mph H 46%29.91 inHg

Sunday

5:00 AM

Clear night

58° 💧 None 💨 4 mph H 77%29.94 inHg

11:00 AM

Sunny

52° 💧 None 💨 2 mph H 94%29.94 inHg

5:00 PM

Sunny

68° 💧 None 💨 3 mph H 56%29.94 inHg

11:00 PM

Clear night

80° 💧 None 💨 4 mph H 31%29.80 inHg

Monday

5:00 AM

Clear night

61° 💧 None 💨 3 mph H 73%29.83 inHg

11:00 AM

Sunny

56° 💧 None 💨 2 mph H 86%29.83 inHg

In Larkspur and, more broadly, across the state of California: Clear skies are expected through the evening with temperatures remaining warm, ranging from 76 to 86 degrees Fahrenheit. Winds will be moderate from the northwest, blowing at up to 14 mph, with gusts reaching 30 mph at times. No rain is expected tonight, so it should stay dry throughout the next few hours. The breezy conditions may make it feel slightly cooler than the actual temperature, especially during gusts. Overall, it looks like a warm and clear evening with comfortable weather for outdoor activities.

15-Day Weather Outlook for Larkspur

TomorrowTomorrow

Mostly sunny 74°/54° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 75°/56° 💧 None 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Overcast 87°/60° 💧 None 💨 7 mph

Thursday, Sep 10Thu Sep 10

Overcast 90°/64° 💧 None 💨 5 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 80°/60° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 70°/57° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 69°/56° 💧 None 💨 9 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 77°/55° 💧 None 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 74°/54° 💧 None 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Sunny 66°/55° 💧 None 💨 11 mph

Thursday, Sep 17Thu Sep 17

Sunny 71°/54° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Sunny 80°/62° 💧 None 💨 7 mph

Saturday, Sep 19Sat Sep 19

Sunny 74°/55° 💧 None 💨 13 mph

Sunday, Sep 20Sun Sep 20

Sunny 72°/52° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Sunny 80°/56° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Larkspur

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Larkspur

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 2,6µg/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 8,5µg/m³

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

O₃ Ozone Fair 87,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/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 Larkspur

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 7,3High 🙂Fair

Tomorrow UV 7,3High 🙂Fair

Tuesday UV 7,6High 🙂Fair

Wednesday UV 8,2Very high 😐Moderate

Thursday UV 8,4Very high 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 6,0High —Unavailable

Hourly UV index today

7:00 PMUV 0,1

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 Larkspur

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · LARKSPUR, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 11:00 PM–12:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 11:00 PM–12:00 AM Astronomical darkness: 9:02 PM–5:15 AM

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

☾ Moonlight 22% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 21° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min44%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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 Larkspur were last refreshed today at 6:33 PM. The current forecast period extends through 08/09/2026 at 4:00 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.