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Current weather in Lake Success is clear sky.

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

Is the weather forecast for Lake Success updated regularly?

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

Now · 6:30 PM

Lake Success Weather & Hourly Forecast

United States · New York · 11020

76°F

Sunny

Feels like: 75°F

💧 Humidity 43% 🌡 Pressure 30.12 inHg 💨 Wind 3 mph 👁 Visibility 30.3 mi ☁ Clouds 2% ☀️ UV index 1.3 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Lake Success

Today

7:00 PM

Sunny

74° 💧 None 💨 0 mph H 57%30.12 inHg

10:00 PM

Mostly cloudy night

68° 💧 None 💨 2 mph H 67%30.18 inHg

Tomorrow

1:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 79%30.21 inHg

4:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 82%30.18 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 3 mph H 83%30.24 inHg

10:00 AM

Partly cloudy

72° 💧 None 💨 5 mph H 57%30.24 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 4 mph H 39%30.21 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 38%30.21 inHg

7:00 PM

Overcast

76° 💧 None 💨 2 mph H 54%30.21 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 5 mph H 79%30.24 inHg

Wednesday

1:00 AM

Partly cloudy night

70° 💧 None 💨 5 mph H 91%30.21 inHg

4:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 86%30.21 inHg

7:00 AM

Mostly sunny

67° 💧 None 💨 4 mph H 84%30.21 inHg

10:00 AM

Mostly sunny

77° 💧 None 💨 6 mph H 66%30.21 inHg

1:00 PM

Mostly sunny

83° 💧 None 💨 9 mph H 52%30.15 inHg

4:00 PM

Sunny

83° 💧 None 💨 12 mph H 57%30.06 inHg

Today

7:00 PM

Sunny

74° 💧 None 💨 0 mph H 57%30.12 inHg

8:00 PM

Mostly clear night

71° 💧 None 💨 2 mph H 60%30.15 inHg

9:00 PM

Overcast night

69° 💧 None 💨 3 mph H 64%30.15 inHg

10:00 PM

Mostly cloudy night

68° 💧 None 💨 2 mph H 67%30.18 inHg

11:00 PM

Mostly cloudy night

67° 💧 None 💨 1 mph H 70%30.18 inHg

Tomorrow

12:00 AM

Mostly clear night

67° 💧 None 💨 1 mph H 73%30.18 inHg

1:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 79%30.21 inHg

2:00 AM

Mostly cloudy night

65° 💧 None 💨 3 mph H 80%30.21 inHg

3:00 AM

Mostly cloudy night

64° 💧 None 💨 4 mph H 81%30.18 inHg

4:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 82%30.18 inHg

5:00 AM

Mostly clear night

62° 💧 None 💨 3 mph H 83%30.21 inHg

6:00 AM

Clear night

62° 💧 None 💨 3 mph H 84%30.21 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 3 mph H 83%30.24 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 4 mph H 77%30.24 inHg

9:00 AM

Mostly cloudy

69° 💧 None 💨 4 mph H 66%30.24 inHg

10:00 AM

Partly cloudy

72° 💧 None 💨 5 mph H 57%30.24 inHg

11:00 AM

Mostly cloudy

75° 💧 None 💨 6 mph H 46%30.24 inHg

12:00 PM

Partly cloudy

77° 💧 None 💨 5 mph H 41%30.24 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 4 mph H 39%30.21 inHg

2:00 PM

Partly cloudy

79° 💧 None 💨 4 mph H 38%30.21 inHg

3:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 38%30.21 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 4 mph H 38%30.21 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 4 mph H 38%30.21 inHg

6:00 PM

Mostly cloudy

79° 💧 None 💨 2 mph H 42%30.21 inHg

7:00 PM

Overcast

76° 💧 None 💨 2 mph H 54%30.21 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 6 mph H 66%30.21 inHg

9:00 PM

Partly cloudy night

71° 💧 None 💨 5 mph H 76%30.24 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 5 mph H 79%30.24 inHg

11:00 PM

Mostly cloudy night

71° 💧 None 💨 5 mph H 83%30.24 inHg

Wednesday

12:00 AM

Mostly cloudy night

70° 💧 None 💨 5 mph H 88%30.21 inHg

1:00 AM

Partly cloudy night

70° 💧 None 💨 5 mph H 91%30.21 inHg

2:00 AM

Overcast night

70° 💧 None 💨 5 mph H 93%30.21 inHg

3:00 AM

Partly cloudy night

70° 💧 None 💨 4 mph H 92%30.21 inHg

4:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 86%30.21 inHg

5:00 AM

Mostly clear night

68° 💧 None 💨 4 mph H 80%30.21 inHg

6:00 AM

Clear night

67° 💧 None 💨 3 mph H 82%30.21 inHg

7:00 AM

Mostly sunny

67° 💧 None 💨 4 mph H 84%30.21 inHg

8:00 AM

Partly cloudy

71° 💧 None 💨 5 mph H 81%30.21 inHg

9:00 AM

Partly cloudy

74° 💧 None 💨 5 mph H 74%30.21 inHg

10:00 AM

Mostly sunny

77° 💧 None 💨 6 mph H 66%30.21 inHg

11:00 AM

Mostly sunny

80° 💧 None 💨 6 mph H 57%30.18 inHg

12:00 PM

Partly cloudy

82° 💧 None 💨 8 mph H 53%30.18 inHg

1:00 PM

Mostly sunny

83° 💧 None 💨 9 mph H 52%30.15 inHg

2:00 PM

Sunny

84° 💧 None 💨 10 mph H 53%30.12 inHg

3:00 PM

Sunny

84° 💧 None 💨 11 mph H 55%30.09 inHg

4:00 PM

Sunny

83° 💧 None 💨 12 mph H 57%30.06 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 12 mph H 63%30.03 inHg

6:00 PM

Mostly sunny

78° 💧 None 💨 11 mph H 71%30.03 inHg

7:00 PM

Sunny

76° 💧 None 💨 12 mph H 78%30.03 inHg

8:00 PM

Clear night

75° 💧 None 💨 13 mph H 76%30.00 inHg

9:00 PM

Clear night

75° 💧 None 💨 12 mph H 77%30.00 inHg

10:00 PM

Clear night

75° 💧 None 💨 11 mph H 76%30.00 inHg

11:00 PM

Clear night

75° 💧 None 💨 11 mph H 73%30.00 inHg

Thursday

12:00 AM

Clear night

75° 💧 None 💨 10 mph H 70%29.97 inHg

1:00 AM

Clear night

74° 💧 None 💨 10 mph H 68%29.97 inHg

2:00 AM

Clear night

74° 💧 None 💨 10 mph H 68%29.94 inHg

3:00 AM

Clear night

74° 💧 None 💨 10 mph H 69%29.94 inHg

4:00 AM

Clear night

73° 💧 None 💨 10 mph H 70%29.91 inHg

5:00 AM

Mostly clear night

73° 💧 None 💨 10 mph H 70%29.91 inHg

6:00 AM

Partly cloudy night

73° 💧 None 💨 9 mph H 70%29.91 inHg

7:00 AM

Sunny

73° 💧 None 💨 9 mph H 69%29.91 inHg

8:00 AM

Partly cloudy

75° 💧 None 💨 8 mph H 66%29.91 inHg

11:00 AM

Light rain

82° 💧 None 💨 8 mph H 53%29.88 inHg

2:00 PM

Mostly cloudy

80° 💧 None 💨 6 mph H 69%29.85 inHg

5:00 PM

Light rain

77° 💧 None 💨 5 mph H 86%29.80 inHg

8:00 PM

Light rain

73° 💧 None 💨 4 mph H 97%29.80 inHg

11:00 PM

Overcast night

72° 💧 None 💨 6 mph H 97%29.80 inHg

Friday

2:00 AM

Overcast night

72° 💧 None 💨 6 mph H 95%29.83 inHg

5:00 AM

Clear night

68° 💧 None 💨 7 mph H 88%29.85 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 74%29.94 inHg

11:00 AM

Sunny

72° 💧 None 💨 6 mph H 58%29.97 inHg

2:00 PM

Sunny

75° 💧 None 💨 5 mph H 45%29.97 inHg

5:00 PM

Sunny

76° 💧 None 💨 4 mph H 47%29.94 inHg

8:00 PM

Clear night

71° 💧 None 💨 2 mph H 66%30.00 inHg

11:00 PM

Clear night

67° 💧 None 💨 3 mph H 74%30.06 inHg

Saturday

2:00 AM

Clear night

64° 💧 None 💨 4 mph H 82%30.06 inHg

5:00 AM

Clear night

62° 💧 None 💨 3 mph H 83%30.09 inHg

8:00 AM

Sunny

64° 💧 None 💨 3 mph H 82%30.15 inHg

11:00 AM

Sunny

74° 💧 None 💨 2 mph H 60%30.15 inHg

2:00 PM

Sunny

77° 💧 None 💨 5 mph H 57%30.12 inHg

5:00 PM

Sunny

74° 💧 None 💨 7 mph H 63%30.12 inHg

8:00 PM

Mostly cloudy night

70° 💧 None 💨 6 mph H 72%30.15 inHg

11:00 PM

Mostly cloudy night

69° 💧 None 💨 5 mph H 77%30.15 inHg

Sunday

2:00 AM

Moderate rain

68° 💧 None 💨 6 mph H 83%30.15 inHg

5:00 AM

Partly cloudy night

67° 💧 None 💨 2 mph H 89%30.12 inHg

8:00 AM

Moderate rain

69° 💧 None 💨 4 mph H 92%30.15 inHg

2:00 PM

Overcast

74° 💧 None 💨 4 mph H 78%30.15 inHg

8:00 PM

Overcast night

72° 💧 None 💨 2 mph H 89%30.12 inHg

Monday

2:00 AM

Partly cloudy night

68° 💧 None 💨 2 mph H 97%30.15 inHg

8:00 AM

Overcast

68° 💧 None 💨 3 mph H 98%30.18 inHg

2:00 PM

Overcast

81° 💧 None 💨 1 mph H 64%30.18 inHg

8:00 PM

Mostly cloudy night

73° 💧 None 💨 4 mph H 91%30.18 inHg

Tuesday

2:00 AM

Mostly clear night

69° 💧 None 💨 2 mph H 97%30.21 inHg

8:00 AM

Light rain

71° 💧 None 💨 4 mph H 96%30.24 inHg

2:00 PM

Light rain

78° 💧 None 💨 11 mph H 80%30.21 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 8 mph H 92%30.15 inHg

Wednesday

2:00 AM

Mostly clear night

74° 💧 None 💨 6 mph H 95%30.15 inHg

8:00 AM

Light rain

73° 💧 None 💨 8 mph H 97%30.12 inHg

2:00 PM

Moderate rain

77° 💧 None 💨 3 mph H 89%30.09 inHg

8:00 PM

Light rain

67° 💧 None 💨 6 mph H 90%30.12 inHg

Thursday

2:00 AM

Overcast night

65° 💧 None 💨 7 mph H 85%30.15 inHg

8:00 AM

Sunny

62° 💧 None 💨 7 mph H 78%30.24 inHg

2:00 PM

Mostly sunny

73° 💧 None 💨 6 mph H 57%30.27 inHg

8:00 PM

Partly cloudy night

68° 💧 None 💨 1 mph H 71%30.24 inHg

Friday

2:00 AM

Partly cloudy night

61° 💧 None 💨 2 mph H 85%30.21 inHg

8:00 AM

Partly cloudy

62° 💧 None 💨 3 mph H 84%30.18 inHg

2:00 PM

Overcast

73° 💧 None 💨 8 mph H 58%30.06 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 4 mph H 75%29.97 inHg

Saturday

2:00 AM

Partly cloudy night

64° 💧 None 💨 6 mph H 83%29.91 inHg

8:00 AM

Overcast

64° 💧 None 💨 5 mph H 80%29.91 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 7 mph H 48%29.91 inHg

8:00 PM

Mostly clear night

63° 💧 None 💨 3 mph H 70%29.97 inHg

Sunday

2:00 AM

Clear night

55° 💧 None 💨 5 mph H 73%30.03 inHg

8:00 AM

Sunny

55° 💧 None 💨 4 mph H 80%30.09 inHg

2:00 PM

Sunny

67° 💧 None 💨 3 mph H 54%30.03 inHg

8:00 PM

Clear night

61° 💧 None 💨 3 mph H 79%30.03 inHg

Monday

2:00 AM

Clear night

61° 💧 None 💨 2 mph H 86%30.03 inHg

8:00 AM

Mostly cloudy

60° 💧 None 💨 4 mph H 89%30.06 inHg

2:00 PM

Sunny

74° 💧 None 💨 5 mph H 52%30.03 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 4 mph H 67%30.09 inHg

Tuesday

2:00 AM

Mostly cloudy night

61° 💧 None 💨 7 mph H 76%30.18 inHg

8:00 AM

Overcast

59° 💧 None 💨 7 mph H 76%30.27 inHg

In Lake Success and, more broadly, across the state of New York: This evening will be mostly sunny with a few clouds drifting through the sky. Temperatures will remain mild, ranging from 63 to 67 degrees Fahrenheit. Winds will be light from the north, with speeds reaching up to 3 mph and gusts around the same. No rain is expected tonight, providing a calm and clear evening. As the night progresses, temperatures are expected to stay steady, offering comfortable conditions for outdoor activities or relaxing after a busy day. The light breeze will contribute to a gentle, peaceful atmosphere. Overall, tonight looks to be tranquil with mild temperatures and clear to partly cloudy skies.

15-Day Weather Outlook for Lake Success

TomorrowTomorrow

Mostly sunny 80°/62° 💧 None 💨 5 mph

Wednesday, Sep 9Wed Sep 9

Overcast 84°/68° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Light rain 87°/74° 💧 0.019 in 💨 13 mph

Friday, Sep 11Fri Sep 11

Moderate rain 76°/67° 💧 0.596 in 💨 9 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 74°/59° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 72°/67° 💧 0.001 in 💨 6 mph

Monday, Sep 14Mon Sep 14

Overcast 79°/70° 💧 0.001 in 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 81°/67° 💧 0.000 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 76°/70° 💧 0.108 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 77°/59° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 74°/63° 💧 None 💨 6 mph

Saturday, Sep 19Sat Sep 19

Sunny 76°/62° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Sunny 74°/57° 💧 None 💨 10 mph

Monday, Sep 21Mon Sep 21

Light rain 70°/64° 💧 0.005 in 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Overcast 73°/70° 💧 0.087 in 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Lake Success

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Lake Success

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 PM

PM2.5 Fine particles Good 7,5µg/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 8,0µg/m³

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

O₃ Ozone Fair 95,8µg/m³

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

NO₂ Nitrogen dioxide Good 3,6µg/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 Lake Success

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 6,3High 🙂Fair

Tomorrow UV 6,5High 😐Moderate

Wednesday UV 7,1High 😐Moderate

Thursday UV 1,9Low 😐Moderate

Friday UV 6,4High 😐Moderate

Saturday UV 6,0High —Unavailable

Sunday UV 6,0High —Unavailable

Hourly UV index today

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.

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 Lake Success

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · LAKE SUCCESS, NEW YORK

Tonight's Stargazing & Shooting Stars

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

84/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:52 PM–4:54 AM

☁ Cloud cover 22% Real hourly forecast for the best viewing hour.

☾ Moonlight 13% Waning Crescent · Moon about 16° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 89° 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 min73%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Lake Success were last refreshed today at 5:50 PM. The current forecast period extends through 09/09/2026 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.