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Observed 10:05 AM EDT at KHWV

Bellport, NY weather

Sunny and 54°12°, jacket by 7 PM.

Today: low 40°4° (likely 35°2° to 44°7°), high 61°16° (likely 58°14° to 61°16°).

Mostly agree

Now 54°12°

Sunny

Wind
8 mph13 km/h
From the north. 35–8 mph13 km/h through 10 PM
Dew point
39°4°
Comfortable
UV index
3Moderate
Moderate 11 AM–4 PM · peak 4
Pressure
30.56 inHg1035 hPa
Rising slowly · +0.03 inHg+1.1 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • High 61°16° today at 4 PM
  • Below 50°10° tonight after 9 PM
  • Low 41°5° tonight at 5 AM
  • Above 50°10° tomorrow by 9 AM
  1. This morningUp to 57°14° by 11 AM · Mostly cloudy
  2. This afternoonNear 60°16° · Mostly cloudy
  3. TonightDown to 41°5° by 5 AM · Clear
  4. Tomorrow morningUp to 56°13° by 11 AM · Clear
  5. Tomorrow afternoonNear 60°16° · Clear
  6. Tomorrow nightDown to 50°10° by 5 AM · Clear
  7. Monday morningNear 51°11° · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 10aCloudy51°11° (likely 49°9° to 53°12°)51°11°0%6 mph10 km/h from N, gusts 10 mph15 km/h74%73%2
Sat 11aCloudy57°14° (likely 53°12° to 57°14°)57°14°0%6 mph10 km/h from N, gusts 9 mph14 km/h57%69%3
Sat 12pCloudy60°16° (likely 55°13° to 60°16°)60°16°0%5 mph8 km/h from N, gusts 8 mph13 km/h49%77%3
Sat 1pCloudy58°14° (likely 56°13° to 59°15°)58°14°0%5 mph8 km/h from N, gusts 8 mph12 km/h53%80%4
Sat 2pCloudy60°16° (likely 58°14° to 60°16°)60°16°0%6 mph10 km/h from W, gusts 7 mph11 km/h47%80%3
Sat 3pCloudy60°16° (likely 58°14° to 60°16°)60°16°0%6 mph10 km/h from W, gusts 7 mph12 km/h47%78%3
Sat 4pCloudy61°16° (likely 58°14° to 61°16°)61°16°0%5 mph8 km/h from W, gusts 7 mph12 km/h44%70%2
Sat 5pCloudy60°16° (likely 57°14° to 60°16°)60°16°0%6 mph10 km/h from W, gusts 7 mph12 km/h47%65%1
Sat 6pPartly cloudy57°14° (likely 53°12° to 57°14°)57°14°0%5 mph8 km/h from W, gusts 7 mph11 km/h55%61%0
Sat 7pMostly clear54°12° (likely 51°11° to 55°13°)54°12°0%5 mph8 km/h from W, gusts 6 mph10 km/h59%47%0
Sat 8pMostly clear52°11° (likely 48°9° to 54°12°)52°11°0%3 mph5 km/h from W, gusts 7 mph11 km/h69%28%0
Sat 9pMostly clear49°9° (likely 46°8° to 53°12°)49°9°0%3 mph5 km/h from W, gusts 7 mph11 km/h77%9%0
Sat 10pMostly clear48°9° (likely 44°7° to 52°11°)48°9°0%3 mph5 km/h from NW, gusts 6 mph10 km/h80%18%0
Sat 11pClear47°8° (likely 43°6° to 51°11°)47°8°0%3 mph5 km/h from NW, gusts 5 mph9 km/h83%6%0
Sun 12aClear46°8° (likely 42°6° to 50°10°)46°8°0%3 mph5 km/h from NW, gusts 6 mph9 km/h86%0%0
Sun 1aClear44°7° (likely 42°6° to 49°9°)41°5°0%5 mph8 km/h from NW, gusts 6 mph10 km/h93%1%0
Sun 2aClear44°7° (likely 41°5° to 48°9°)41°5°0%5 mph8 km/h from NW, gusts 6 mph10 km/h96%1%0
Sun 3aClear42°6° (likely 40°4° to 48°9°)39°4°0%5 mph8 km/h from NW, gusts 6 mph9 km/h100%1%0
Sun 4aClear42°6° (likely 40°4° to 48°9°)38°3°0%6 mph10 km/h from NW, gusts 10 mph16 km/h100%0%0
Sun 5aClear41°5° (likely 40°4° to 47°8°)37°3°0%6 mph10 km/h from NW, gusts 10 mph16 km/h100%0%0
Sun 6aClear41°5° (likely 40°4° to 47°8°)37°3°0%6 mph10 km/h from NW, gusts 10 mph15 km/h89%0%0
Sun 7aSunny42°6° (likely 39°4° to 47°8°)39°4°0%5 mph8 km/h from NW, gusts 7 mph12 km/h86%1%0
Sun 8aSunny48°9° (likely 40°4° to 48°9°)45°7°0%6 mph10 km/h from N, gusts 6 mph10 km/h74%2%0
Sun 9aSunny50°10° (likely 47°8° to 50°10°)48°9°0%5 mph8 km/h from NW, gusts 7 mph10 km/h68%0%1
Sun 10aSunny54°12° (likely 53°12° to 55°13°)54°12°0%5 mph8 km/h from N, gusts 6 mph9 km/h61%0%2
Sun 11aSunny56°13° (likely 56°13° to 59°15°)56°13°0%5 mph8 km/h from N, gusts 5 mph8 km/h57%0%3
Sun 12pSunny58°14° (likely 58°14° to 62°17°)58°14°0%3 mph5 km/h from NW, gusts 6 mph9 km/h53%0%4
Sun 1pSunny59°15° (likely 59°15° to 64°18°)59°15°0%3 mph5 km/h from W, gusts 6 mph10 km/h49%0%4
Sun 2pSunny60°16° (likely 60°16° to 64°18°)60°16°0%5 mph8 km/h from W, gusts 7 mph11 km/h47%0%4
Sun 3pSunny60°16° (likely 60°16° to 64°18°)60°16°0%5 mph8 km/h from SW, gusts 7 mph12 km/h47%0%3
Sun 4pSunny60°16° (likely 59°15° to 63°17°)60°16°0%6 mph10 km/h from SW, gusts 8 mph12 km/h49%0%2
Sun 5pSunny61°16° (likely 58°14° to 61°16°)61°16°0%6 mph10 km/h from SW, gusts 9 mph14 km/h48%0%1
Sun 6pClear59°15° (likely 54°12° to 59°15°)59°15°0%6 mph10 km/h from SW, gusts 9 mph14 km/h53%0%0
Sun 7pClear57°14° (likely 52°11° to 57°14°)57°14°0%6 mph10 km/h from SW, gusts 10 mph15 km/h57%0%0
Sun 8pClear56°13° (likely 51°11° to 56°13°)56°13°0%6 mph10 km/h from SW, gusts 11 mph17 km/h62%0%0
Sun 9pClear55°13° (likely 51°11° to 55°13°)55°13°0%6 mph10 km/h from SW, gusts 11 mph18 km/h64%0%0
Sun 10pClear54°12° (likely 50°10° to 54°12°)54°12°0%6 mph10 km/h from SW, gusts 11 mph18 km/h66%0%0
Sun 11pClear54°12° (likely 50°10° to 54°12°)54°12°0%6 mph10 km/h from SW, gusts 11 mph18 km/h66%0%0
Mon 12aClear54°12° (likely 49°9° to 54°12°)54°12°0%7 mph11 km/h from W, gusts 12 mph19 km/h66%0%0
Mon 1aClear53°12° (likely 48°9° to 53°12°)53°12°0%7 mph11 km/h from W, gusts 14 mph22 km/h69%0%0
Mon 2aClear53°12° (likely 47°8° to 53°12°)53°12°0%8 mph13 km/h from W, gusts 13 mph21 km/h69%0%0
Mon 3aClear52°11° (likely 46°8° to 52°11°)52°11°0%8 mph13 km/h from W, gusts 11 mph18 km/h69%0%0
Mon 4aClear51°11° (likely 45°7° to 51°11°)51°11°0%9 mph14 km/h from W, gusts 13 mph20 km/h68%0%0
Mon 5aClear50°10° (likely 45°7° to 50°10°)46°8°0%9 mph14 km/h from W, gusts 12 mph19 km/h71%0%0
Mon 6aClear50°10° (likely 44°7° to 50°10°)46°8°0%9 mph14 km/h from W, gusts 12 mph19 km/h71%0%0
Mon 7aSunny50°10° (likely 44°7° to 50°10°)46°8°0%9 mph14 km/h from W, gusts 13 mph20 km/h74%0%0
Mon 8aSunny50°10° (likely 45°7° to 51°11°)46°8°0%9 mph14 km/h from W, gusts 12 mph19 km/h74%1%0
Mon 9aSunny52°11° (likely 48°9° to 55°13°)52°11°0%9 mph14 km/h from W, gusts 12 mph19 km/h71%12%1

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 61°16°, low 40°4°. Typical 61°16° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 57°14°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Mostly clear, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 41°5°

      Dry

    Official NWS forecast

    Today: Partly sunny, with a high near 61. Northwest wind around 6 mph.

    Tonight: Mostly clear, with a low around 40. Northwest wind around 6 mph.

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

    High, likely
    58°14°–61°16°
    Low, likely
    35°2°–44°7°
    Typical high / low
    61°16° / 44°7°
    Wind
    8 mph13 km/h, gusts 13 mph21 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Sunny. High 62°17°, low 43°6°. Typical 61°16° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 56°13°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 50°10°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 62. Northwest wind around 6 mph.

    Night: Clear. Low around 43, with temperatures rising to around 50 overnight. West wind 6 to 9 mph.

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

    High, likely
    60°16°–64°18°
    Low, likely
    39°4°–47°8°
    Typical high / low
    61°16° / 44°7°
    Wind
    8 mph14 km/h, gusts 16 mph26 km/h
    UV peak
    4
  3. Monday, Oct 26. Sunny. High 64°18°, low 51°11°. Typical 61°16° / 44°7°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 50°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 64. West wind around 9 mph.

    Night: Mostly clear. Low around 51, with temperatures rising to around 53 overnight.

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

    High, likely
    63°17°–66°19°
    Low, likely
    44°7°–51°11°
    Typical high / low
    61°16° / 44°7°
    Wind
    10 mph16 km/h, gusts 21 mph33 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly sunny. High 56°13°, low 45°7°. Typical 60°16° / 43°6°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 51°11°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 47°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 56.

    Night: Mostly clear, with a low around 45.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    56°13°–59°15°
    Low, likely
    45°7°–52°11°
    Typical high / low
    60°16° / 43°6°
    Wind
    14 mph23 km/h, gusts 24 mph38 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Partly sunny. High 57°14°, low 52°11°. Typical 60°16° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 55°13°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 52°11°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 57.

    Night: Partly cloudy, with a low around 52.

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

    High, likely
    53°12°–58°14°
    Low, likely
    44°7°–52°11°
    Typical high / low
    60°16° / 43°6°
    Wind
    11 mph17 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 62°17°, low 56°13°. Typical 60°16° / 43°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 53°12°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 55°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 62.

    Night: Partly cloudy, with a low around 56.

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

    High, likely
    59°15°–63°17°
    Low, likely
    49°9°–56°13°
    Typical high / low
    60°16° / 43°6°
    Wind
    13 mph21 km/h, gusts 22 mph36 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 64°18°, low 52°11°. Typical 59°15° / 42°6°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 54°12°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 59°15°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 54°12°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 64.

    Night: Partly cloudy, with a low around 52.

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

    High, likely
    64°18°–69°21°
    Low, likely
    52°11°–56°13°
    Typical high / low
    59°15° / 42°6°
    Wind
    14 mph23 km/h, gusts 24 mph38 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 63°17°, low 52°11°. Typical 59°15° / 42°6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 52°11°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 56°13°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 55°13°

      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
    58°14°–69°21°
    Low, likely
    48°9°–56°13°
    Typical high / low
    59°15° / 42°6°
    Wind
    20 mph33 km/h
    UV peak
    4
  9. Sunday, Nov 1. Cloudy. High 62°17°, low 55°13°. Typical 58°14° / 42°6°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Partly sunny, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 58°14°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 57°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
    55°13°–66°19°
    Low, likely
    47°8°–59°15°
    Typical high / low
    58°14° / 42°6°
    Wind
    17 mph28 km/h, gusts 23 mph37 km/h
    UV peak
    4
  10. Monday, Nov 2. Drizzle. High 61°16°, low 57°14°. Typical 58°14° / 42°6°. Rain 0.06 in1.5 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 59°15°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 62°16°

      20% chance

    3. Evening

      6 PM–midnight

      Cloudy, 58°14°

      20% 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
    55°13°–67°19°
    Low, likely
    50°10°–61°16°
    Typical high / low
    58°14° / 42°6°
    Wind
    16 mph26 km/h
    UV peak
    2

The outlook

  1. Today

    Dry, high 61°, low 40°.

  2. Tomorrow

    Dry, high 62°, low 43°.

  3. Monday

    Dry, high 64°, low 51°.

  4. Rest of week

    Mostly dry, highs 56–64°.

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

Great South Bay at Lindenhurst (IN MLLW)

22 mi
Action stage
Level
2.9 ft

Reading from Sat 9 AM · NWS gauge page

Great South Bay at Watch Hill (IN MLLW)

4.8 mi
Below flood stage
Level
2.5 ft

Reading from Sat 9 AM · NWS gauge page

Moriches Bay at Moriches Bay (IN MLLW)

10 mi
Below flood stage
Level
3.4 ft

Reading from Sat 8:48 AM · NWS gauge page

Flax Pond at Old Field (IN MLLW)

18 mi
Below flood stage
Level
5.8 ft

Reading from Sat 8:24 AM · NWS gauge page

For your home

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

Heating this week

About 74% less heating than a typical week.

This week 24Typical 93

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
9
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at. About 5 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 2:00 PM–5:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Islip-Li Macarthur Airport · official normals 1991–2020 · records 1963–2026

Oct 24, today vs a typical year

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

Normal high / low
61°16° / 44°7°
Forecast high / low
61°16° / 40°4°
Record high
74°23° in 1963
Record low
25°−4° in 1969

Last 7 days vs normal

On average 1° colder than normal (daily mean temperature).

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

Bellport weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:13 AM, sunset 5:58 PM.

Daylight
10 h 45 min
Losing 2 min 35 s a day; shortest Dec 21, 1 h 30 min less
Golden hour
5:20–6:15 PM
Morning 6:55–7:51 AM
Blue hour
6:15–6:26 PM
Morning 6:45–6:55 AM; first light 6:45 AM

Stars tonight? Fair

Mostly clear 9 PM–6:46 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:23 AM · rises 4:54 PM
Full moon
Oct 26
New moon
Nov 9
Looking southeast from Bellport. The highest point on the skyline is about 600 ft, 7 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.