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1 active weather alert

  • Coastal Flood Statement

    Starts in 1 h 18 min

    When
    Early Saturday morning.
    Where
    Southern Nassau County.

    Issued for this forecast zone · National Weather Service Upton NY

    What, impacts and precautions

    What

    Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline.

    Impacts

    Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

    Precautionary actions

    Do not drive through flooded roadways.

    Areas: Southern Nassau

    See it on weather.gov (opens in a new tab)

Observed 3:10 AM EDT at KJFK

Rockville Centre, NY weather

Clear and 43°6°.

Today: low 43°6° (likely 40°4° to 44°7°), high 62°17° (likely 60°16° to 63°17°).

Mostly agree

Now 43°6°

Clear

Wind
3 mph5 km/h
From the north. 35–5 mph8 km/h through 3 PM
Dew point
37°3°
Comfortable
UV index
0Low
Moderate 11 AM–4 PM · peak 4
Air quality
40Good
PM2.5 (fine particles) · tomorrow moderate
Pressure
30.49 inHg1033 hPa
Rising slowly · +0.02 inHg+0.5 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

11°6° cooler than this time yesterday (54°12° then, 43°6° now)

Good hours for
  • Low 44°7° today at 6 AM
  • Above 50°10° today by 10 AM
  • High 61°16° today at 2 PM
  1. TonightNear 46°8° · Clear
  2. This morningUp to 58°14° by 11 AM · Mostly cloudy
  3. This afternoonNear 60°16° · Mostly cloudy
  4. TonightDown to 46°8° by 3 AM · Clear
  5. Tomorrow morningUp to 57°14° by 11 AM · Clear
  6. Tomorrow afternoonUp to 64°18° by 4 PM · Clear
  7. Tomorrow nightDown to 50°10° by 2 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 3aClear46°8° (likely 42°6° to 46°8°)46°8°0%3 mph5 km/h from N, gusts 8 mph12 km/h76%13%0
Sat 4aClear46°8° (likely 41°5° to 46°8°)46°8°0%3 mph5 km/h from N, gusts 7 mph12 km/h76%14%0
Sat 5aPartly cloudy45°7° (likely 41°5° to 45°7°)43°6°0%5 mph8 km/h from N, gusts 9 mph15 km/h79%18%0
Sat 6aClear44°7° (likely 40°4° to 44°7°)41°5°0%5 mph8 km/h from N, gusts 8 mph13 km/h82%37%0
Sat 7aMostly cloudy44°7° (likely 40°4° to 44°7°)41°5°0%5 mph8 km/h from N, gusts 8 mph13 km/h82%57%0
Sat 8aCloudy45°7° (likely 40°4° to 45°7°)43°6°0%5 mph8 km/h from N, gusts 8 mph12 km/h79%79%0
Sat 9aCloudy49°9° (likely 46°8° to 49°9°)47°8°0%5 mph8 km/h from N, gusts 8 mph13 km/h68%80%1
Sat 10aCloudy53°12° (likely 50°10° to 53°12°)53°12°0%5 mph8 km/h from N, gusts 6 mph10 km/h59%80%2
Sat 11aCloudy58°14° (likely 53°12° to 58°14°)58°14°0%5 mph8 km/h from N, gusts 4 mph6 km/h47%80%3
Sat 12pCloudy60°16° (likely 56°13° to 60°16°)60°16°0%3 mph5 km/h from NW, gusts 4 mph7 km/h41%72%3
Sat 1pCloudy60°16° (likely 58°14° to 61°16°)60°16°0%3 mph5 km/h from NW, gusts 5 mph8 km/h39%75%4
Sat 2pCloudy61°16° (likely 60°16° to 62°17°)61°16°0%5 mph8 km/h from W, gusts 6 mph9 km/h36%72%4
Sat 3pPartly sunny61°16° (likely 60°16° to 63°17°)61°16°0%5 mph8 km/h from W, gusts 6 mph9 km/h35%62%3
Sat 4pPartly sunny61°16° (likely 60°16° to 63°17°)61°16°0%5 mph8 km/h from SW, gusts 5 mph8 km/h35%50%2
Sat 5pPartly sunny60°16° (likely 59°15° to 62°17°)60°16°0%5 mph8 km/h from SW, gusts 5 mph8 km/h37%36%1
Sat 6pClear58°14° (likely 54°12° to 58°14°)58°14°0%3 mph5 km/h from SW, gusts 4 mph6 km/h40%16%0
Sat 7pMostly clear55°13° (likely 51°11° to 55°13°)55°13°0%3 mph5 km/h from SW, gusts 5 mph9 km/h47%13%0
Sat 8pClear54°12° (likely 49°9° to 54°12°)54°12°0%2 mph3 km/h from SW, gusts 6 mph10 km/h50%3%0
Sat 9pClear52°11° (likely 48°9° to 52°11°)52°11°0%2 mph3 km/h from W, gusts 7 mph11 km/h54%0%0
Sat 10pClear52°11° (likely 47°8° to 52°11°)52°11°0%1 mph2 km/h from NW, gusts 7 mph11 km/h56%0%0
Sat 11pClear51°11° (likely 45°7° to 51°11°)51°11°0%2 mph3 km/h from NW, gusts 7 mph11 km/h63%0%0
Sun 12aClear50°10° (likely 45°7° to 50°10°)50°10°0%2 mph3 km/h from NW, gusts 7 mph12 km/h68%0%0
Sun 1aClear48°9° (likely 44°7° to 48°9°)48°9°0%2 mph3 km/h from NW, gusts 8 mph12 km/h74%1%0
Sun 2aClear47°8° (likely 43°6° to 47°8°)47°8°0%3 mph5 km/h from NW, gusts 8 mph13 km/h76%1%0
Sun 3aClear46°8° (likely 42°6° to 46°8°)46°8°0%3 mph5 km/h from NW, gusts 8 mph12 km/h76%1%0
Sun 4aClear46°8° (likely 41°5° to 46°8°)46°8°0%3 mph5 km/h from NW, gusts 8 mph12 km/h76%1%0
Sun 5aClear46°8° (likely 41°5° to 46°8°)46°8°0%3 mph5 km/h from NW, gusts 7 mph11 km/h76%0%0
Sun 6aClear45°7° (likely 40°4° to 45°7°)45°7°0%3 mph5 km/h from NW, gusts 7 mph11 km/h76%0%0
Sun 7aSunny45°7° (likely 40°4° to 45°7°)45°7°0%3 mph5 km/h from NW, gusts 8 mph12 km/h76%0%0
Sun 8aSunny45°7° (likely 41°5° to 45°7°)45°7°0%3 mph5 km/h from NW, gusts 7 mph11 km/h79%0%0
Sun 9aSunny49°9° (likely 47°8° to 49°9°)49°9°0%3 mph5 km/h from NW, gusts 6 mph10 km/h68%0%1
Sun 10aSunny54°12° (likely 53°12° to 55°13°)54°12°0%3 mph5 km/h from NW, gusts 8 mph13 km/h57%0%2
Sun 11aSunny57°14° (likely 57°14° to 59°15°)57°14°0%3 mph5 km/h from NW, gusts 7 mph12 km/h51%0%3
Sun 12pSunny60°16° (likely 60°16° to 63°17°)60°16°0%3 mph5 km/h from NW, gusts 7 mph11 km/h44%0%4
Sun 1pSunny63°17° (likely 63°17° to 65°18°)63°17°0%5 mph8 km/h from W, gusts 6 mph10 km/h39%0%4
Sun 2pSunny63°17° (likely 63°17° to 66°19°)63°17°0%6 mph10 km/h from W, gusts 5 mph8 km/h38%0%4
Sun 3pSunny63°17° (likely 63°17° to 67°19°)63°17°0%6 mph10 km/h from SW, gusts 6 mph10 km/h38%0%3
Sun 4pSunny64°18° (likely 63°17° to 67°19°)64°18°0%6 mph10 km/h from SW, gusts 7 mph11 km/h38%0%2
Sun 5pSunny63°17° (likely 61°16° to 66°19°)63°17°0%5 mph8 km/h from SW, gusts 7 mph12 km/h39%0%1
Sun 6pClear61°16° (likely 55°13° to 61°16°)61°16°0%5 mph8 km/h from SW, gusts 8 mph13 km/h44%0%0
Sun 7pClear59°15° (likely 52°11° to 59°15°)59°15°0%5 mph8 km/h from SW, gusts 8 mph13 km/h51%0%0
Sun 8pClear56°13° (likely 49°9° to 56°13°)56°13°0%3 mph5 km/h from SW, gusts 8 mph12 km/h59%0%0
Sun 9pClear55°13° (likely 46°8° to 59°15°)55°13°0%3 mph5 km/h from SW, gusts 6 mph10 km/h61%0%0
Sun 10pClear54°12° (likely 45°7° to 59°15°)54°12°0%3 mph5 km/h from SW, gusts 6 mph10 km/h66%0%0
Sun 11pClear53°12° (likely 42°6° to 58°14°)53°12°0%3 mph5 km/h from W, gusts 7 mph11 km/h69%0%0
Mon 12aClear52°11° (likely 41°5° to 57°14°)52°11°0%3 mph5 km/h from W, gusts 7 mph12 km/h69%0%0
Mon 1aClear51°11° (likely 39°4° to 56°13°)51°11°0%5 mph8 km/h from W, gusts 7 mph12 km/h71%0%0
Mon 2aClear50°10° (likely 38°3° to 55°13°)48°9°0%5 mph8 km/h from W, gusts 8 mph12 km/h74%0%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 62°17°, low 43°6°. Typical 62°17° / 47°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 46°8°

      Dry

    Official NWS forecast

    Today: Partly sunny. High near 62, with temperatures falling to around 60 in the afternoon. Northwest wind around 5 mph.

    Tonight: Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. North wind around 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    60°16°–63°17°
    Low, likely
    40°4°–44°7°
    Typical high / low
    62°17° / 47°8°
    Wind
    6 mph9 km/h, gusts 13 mph21 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Sunny. High 65°18°, low 47°8°. Typical 61°16° / 46°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 64°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 56°13°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 46°8°

      Dry

    Official NWS forecast

    Day: Sunny. High near 65, with temperatures falling to around 63 in the afternoon. West wind around 6 mph.

    Night: Clear, with a low around 47. Southwest wind around 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–67°19°
    Low, likely
    40°4°–47°8°
    Typical high / low
    61°16° / 46°8°
    Wind
    7 mph11 km/h, gusts 13 mph20 km/h
    UV peak
    4
  3. Monday, Oct 26. Sunny. High 69°21°, low 50°10°. Typical 61°16° / 46°8°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 46°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 69°21°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 61°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny. High near 69, with temperatures falling to around 67 in the afternoon.

    Night: Clear, with a low around 50.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    67°19°–70°21°
    Low, likely
    40°4°–50°10°
    Typical high / low
    61°16° / 46°8°
    Wind
    8 mph14 km/h, gusts 22 mph35 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Sunny. High 59°15°, low 44°7°. Typical 61°16° / 46°8°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°15°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 59.

    Night: Mostly clear, with a low around 44.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    58°14°–60°16°
    Low, likely
    44°7°–50°10°
    Typical high / low
    61°16° / 46°8°
    Wind
    12 mph20 km/h, gusts 27 mph44 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 60°16°, low 51°11°. Typical 60°16° / 45°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 44°7°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 49°9°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 60.

    Night: Mostly cloudy, with a low around 51.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    56°13°–60°16°
    Low, likely
    42°6°–51°11°
    Typical high / low
    60°16° / 45°7°
    Wind
    8 mph13 km/h, gusts 16 mph25 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 65°18°, low 54°12°. Typical 60°16° / 45°7°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 58°14°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 65.

    Night: Partly cloudy, with a low around 54.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–66°19°
    Low, likely
    46°8°–54°12°
    Typical high / low
    60°16° / 45°7°
    Wind
    9 mph14 km/h, gusts 25 mph40 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 67°19°, low 51°11°. Typical 60°16° / 45°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 51°11°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 60°16°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 50°10°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 67.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    66°19°–71°22°
    Low, likely
    49°9°–52°11°
    Typical high / low
    60°16° / 45°7°
    Wind
    11 mph18 km/h, gusts 25 mph40 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 66°19°, low 50°10°. Typical 59°15° / 44°7°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 49°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 58°14°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°11°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–72°22°
    Low, likely
    46°8°–53°12°
    Typical high / low
    59°15° / 44°7°
    Wind
    12 mph19 km/h, gusts 25 mph41 km/h
    UV peak
    4
  9. Sunday, Nov 1. Cloudy. High 64°18°, low 52°11°. Typical 59°15° / 44°7°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 51°11°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 58°15°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 58°14°

      30% chance

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    57°14°–68°20°
    Low, likely
    49°9°–56°13°
    Typical high / low
    59°15° / 44°7°
    Wind
    9 mph15 km/h, gusts 17 mph28 km/h
    UV peak
    3
  10. Monday, Nov 2. Cloudy. High 66°19°, low 59°15°. Typical 58°14° / 44°7°. Rain 0.19 in4.8 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 61°16°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 67°19°

      20% chance · 0.09 in2.2 mm

    3. Evening

      6 PM–midnight

      Mostly clear, 61°16°

      20% chance · 0.19 in4.7 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    63°17°–69°21°
    Low, likely
    56°13°–60°16°
    Typical high / low
    58°14° / 44°7°
    Wind
    16 mph26 km/h, gusts 38 mph61 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 62°, low 43°.

  2. Tomorrow

    Dry, high 65°, low 47°, warming up.

  3. Monday

    Dry, high 69°, low 50°, warming up.

  4. Rest of week

    Mostly dry, highs 59–67°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (OKX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Little Neck Bay at Kings Point (IN MLLW)

12 mi
Below flood stage
Level
3.4 ft

Forecast peak 9.4 ft Mon 11 AM

Reading from Sat 2:06 AM · NWS gauge page

Hog Island Channel at Island Park (IN MLLW)

3.9 mi
Below flood stage
Level
1.9 ft

Reading from Sat 2 AM · NWS gauge page

Hudson Bay at Freeport (IN MLLW)

4.1 mi
Below flood stage
Level
2.0 ft

Reading from Sat 1:30 AM · NWS gauge page

Reynolds Channel at Point Lookout (IN MLLW)

5.6 mi
Below flood stage
Level
1.8 ft

Reading from Sat 1:48 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 73% less heating than a typical week.

This week 23Typical 83

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
12
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Today, 12:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Jfk International Airport · official normals 1991–2020 · records 1948–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Normal high / low
62°17° / 47°8°
Forecast high / low
62°17° / 43°6°
Record high
74°23° in 2017
Record low
32°0° in 1969

Last 7 days vs normal

On average 0° warmer than normal (daily mean temperature).

  1. −6°−3°SunOct 18
  2. −3°−2°MonOct 19
  3. +4°+2°TueOct 20
  4. +2°+1°WedOct 21
  5. +3°+2°ThuOct 22
  6. —FriOct 23
  7. —SatOct 24

Rockville Centre weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:15 AM, sunset 6:01 PM.

Daylight
10 h 45 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
Golden hour
5:23–6:18 PM
Morning 6:58–7:53 AM
Blue hour
6:18–6:29 PM
Morning 6:47–6:58 AM; first light 6:47 AM

Stars tonight? Fair

Mostly clear 3:42–6 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today
sets 5:26 AM · rises 4:57 PM
Full moon
Oct 26
New moon
Nov 9
Looking south from Rockville Centre. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.