Sea Cliff, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sea Cliff weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast34%—97°74°—
- SundayJul 5Heavy Rain51%1.9″89°71°-8°
- MondayJul 6Rain89%0.18″72°70°-17°
- TuesdayJul 7Light Drizzle81%0.04″70°63°-2°
- WednesdayJul 8Overcast21%—81°63°+11°
- ThursdayJul 9Overcast12%—90°71°+9°
- FridayJul 10Overcast51%—92°75°+2°
AQI 109 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 50 in the last 6 hours — air quality is degrading. Ozone at AQI 166 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 166 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 166
- UV peak
- 3.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 166
PM × Wind × Precip
PM2.5 at 16.5 µg/m³, PM10 at 19.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:49 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sea Cliff at a glance
- Today vs. normal: 26°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 11579
16-Day Forecast — Sea Cliff
- Sat98°74°34%
- Sun89°71°51%
- Mon72°70°89%
- Tue70°63°81%
- Wed81°63°21%
- Thu90°71°12%
- Fri92°75°51%
- Sat89°78°42%
- Sun85°73°24%
- Mon74°68°23%
- Tue83°68°24%
- Wed88°69°31%
- Thu91°74°43%
- Fri94°74°45%
- Sat93°77°35%
- Sun93°78°48%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Sea Cliff
SPC has placed Sea Cliff in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Sea Cliff's warmest month is July (~76°F mean) and its coldest is January (~31°F). Rainfall peaks in December (4.3 inches) and bottoms out in February (3.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.6″ | 13 |
| February | 33° | 3.0″ | 13 |
| March | 40° | 3.8″ | 15 |
| April | 50° | 4.0″ | 17 |
| May | 59° | 3.8″ | 18 |
| June | 69° | 3.6″ | 16 |
| July | 76° | 3.3″ | 16 |
| August | 75° | 4.0″ | 17 |
| September | 69° | 3.4″ | 13 |
| October | 58° | 3.3″ | 11 |
| November | 45° | 4.0″ | 13 |
| December | 36° | 4.3″ | 13 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Sea Cliff's January averages 31°F and July 76°F — 44°F apart — while precipitation totals roughly 44 inches over some 175 days.
Rainfall in Sea Cliff stays even across the calendar: December tops out at 4.3 inches over 13.4 rainy days, and February still logs 3.0 inches across 12.8 — a narrow range for Sea Cliff. That even rhythm groups Sea Cliff with places like Glenwood Landing, NY, Glen Head, NY and Roslyn Harbor, NY.
The cool-season window in Sea Cliff starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Warm-soil crops in Sea Cliff wait about two weeks past Sea Cliff's last frost, once the soil warms. It shuts near mid-November, when freezes return to Sea Cliff and tender plants need cover. In Sea Cliff, low spots run 4-7°F colder than nearby slopes, nudging Sea Cliff's frost dates a week.
Similar climates: Glenwood Landing, NY, Glen Head, NY, Roslyn Harbor, NY, Glen Cove, NY, Port Washington, NY.
Frequently asked
- When does it freeze in Sea Cliff?
- In Sea Cliff, expect the last spring frost near mid-April; Sea Cliff's first autumn frost comes around mid-November.
- What is the rainy season in Sea Cliff?
- Rainfall in Sea Cliff peaks in December near 4.3 inches, out of about 44 inches annually.
- What is the warmest month in Sea Cliff?
- July is Sea Cliff's warmest month, averaging about 76°F.
- What is the coldest month in Sea Cliff?
- Sea Cliff bottoms out in January, with a mean near 31°F.
- When can I start a vegetable garden in Sea Cliff?
- Frost-hardy sowings begin at mid-April in Sea Cliff; warm-season starts follow two weeks on.
- How many rainy days does Sea Cliff get?
- Sea Cliff averages about 175 days with measurable rain or snow each year.
- What hardiness zone is Sea Cliff?
- Sea Cliff sits in the USDA zone set by January lows near 31°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Sea Cliff?
- Sea Cliff's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Sea Cliff?
- See this week's day-by-day rain chances for Sea Cliff in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Sea Cliff?
- Current conditions for Sea Cliff and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Sea Cliff forecast updated?
- The Sea Cliff forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Sea Cliff?
- Today's sunrise and sunset times for Sea Cliff are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Sea Cliff?
- The next few days in Sea Cliff's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Sea Cliff, New York has a warm-summer humid continental climate: January averages roughly 31°F, July about 76°F, 45°F between them.
In a typical year Sea Cliff records about 44 inches of precipitation on around 175 days.
Latitude 40.8°N gives Sea Cliff its 45°F swing, and with it the rhythm of Sea Cliff's growing season.
Beaches near Sea Cliff
- Long Beach NY17.7 mi
- Jones Beach18.7 mi
- Rockaway Beach20.6 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.
ZIP codes in Sea Cliff
- 11579