Long Island Sound near Bridgeport Harbor (IN MLLW)
16 mi- Level
- 1.5 ft
Forecast peak 8.5 ft Sat 10 AM
Reading from Sat 4:06 AM · NWS gauge page
Observed 5:30 AM EDT at KISP
Belle Terre, NY weather
Clear and 37°3°.
Today: low 40°4° (likely 40°4° to 47°8°), high 60°16° (likely 57°14° to 60°16°).
Now 37°3°
Clear
- Wind
- Calm
- Up to 7 mph11 km/h through 5 PM
- Dew point
- 36°2°
- Comfortable
- Humidity
- 93%
- Air 37°3°, dew point 36°2° · fog or dew likely
- UV index
- 0Low
- Moderate 12–4 PM · peak 4
- Air today
- 50Good
- EPA forecast · PM2.5 (fine particles)
- Pressure
- 30.49 inHg1033 hPa
- Rising slowly · +0.03 inHg+0.9 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This morningUp to 55°13° by 11 AM · Partly cloudy
This afternoonNear 59°15° · Partly cloudy
TonightDown to 44°7° by 4 AM · Clear
Tomorrow morningUp to 55°13° by 11 AM · Clear
Tomorrow afternoonUp to 62°17° by 5 PM · Clear
Tomorrow nightDown to 53°12° by 3 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5a | Clear | 42°6° (likely 42°6° to 48°9°) | 38°3° | 0% | 7 mph11 km/h from NE, gusts 10 mph16 km/h | 100% | 3% | 0 |
| Sat 6a | Clear | 41°5° (likely 41°5° to 47°8°) | 36°2° | 0% | 7 mph11 km/h from NE, gusts 10 mph17 km/h | 100% | 8% | 0 |
| Sat 7a | Sunny | 42°6° (likely 42°6° to 47°8°) | 38°3° | 0% | 6 mph10 km/h from NE, gusts 10 mph16 km/h | 96% | 31% | 0 |
| Sat 8a | Sunny | 43°6° (likely 43°6° to 47°8°) | 39°4° | 0% | 6 mph10 km/h from NE, gusts 9 mph15 km/h | 93% | 41% | 0 |
| Sat 9a | Cloudy | 48°9° (likely 46°8° to 49°9°) | 45°7° | 0% | 6 mph10 km/h from N, gusts 8 mph13 km/h | 83% | 79% | 1 |
| Sat 10a | Cloudy | 51°11° (likely 48°9° to 51°11°) | 51°11° | 0% | 5 mph8 km/h from N, gusts 9 mph14 km/h | 71% | 76% | 2 |
| Sat 11a | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 0% | 3 mph5 km/h from N, gusts 7 mph12 km/h | 61% | 80% | 2 |
| Sat 12p | Cloudy | 57°14° (likely 52°11° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from N, gusts 8 mph13 km/h | 55% | 80% | 3 |
| Sat 1p | Cloudy | 57°14° (likely 54°12° to 57°14°) | 57°14° | 0% | 5 mph8 km/h from NW, gusts 8 mph13 km/h | 53% | 78% | 4 |
| Sat 2p | Cloudy | 58°14° (likely 56°13° to 58°14°) | 58°14° | 0% | 5 mph8 km/h from W, gusts 8 mph13 km/h | 49% | 72% | 3 |
| Sat 3p | Mostly cloudy | 60°16° (likely 57°14° to 60°16°) | 60°16° | 0% | 5 mph8 km/h from W, gusts 9 mph14 km/h | 46% | 50% | 3 |
| Sat 4p | Mostly sunny | 60°16° (likely 57°14° to 60°16°) | 60°16° | 0% | 5 mph8 km/h from W, gusts 8 mph13 km/h | 46% | 33% | 2 |
| Sat 5p | Mostly sunny | 60°16° (likely 56°13° to 60°16°) | 60°16° | 0% | 5 mph8 km/h from W, gusts 8 mph12 km/h | 47% | 40% | 1 |
| Sat 6p | Partly cloudy | 60°16° (likely 52°11° to 60°16°) | 60°16° | 0% | 3 mph5 km/h from W, gusts 7 mph11 km/h | 47% | 46% | 0 |
| Sat 7p | Mostly clear | 56°13° (likely 50°10° to 57°14°) | 56°13° | 0% | 3 mph5 km/h from W, gusts 6 mph10 km/h | 57% | 23% | 0 |
| Sat 8p | Clear | 54°12° (likely 50°10° to 56°13°) | 54°12° | 0% | 3 mph5 km/h from W, gusts 5 mph9 km/h | 61% | 8% | 0 |
| Sat 9p | Clear | 52°11° (likely 50°10° to 55°13°) | 52°11° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 69% | 24% | 0 |
| Sat 10p | Clear | 50°10° (likely 48°9° to 54°12°) | 50°10° | 0% | 2 mph3 km/h from NW, gusts 5 mph9 km/h | 74% | 26% | 0 |
| Sat 11p | Clear | 50°10° (likely 45°7° to 52°11°) | 50°10° | 0% | 2 mph3 km/h from NW, gusts 6 mph9 km/h | 74% | 0% | 0 |
| Sun 12a | Clear | 48°9° (likely 45°7° to 52°11°) | 48°9° | 0% | 2 mph3 km/h from NW, gusts 8 mph12 km/h | 80% | 0% | 0 |
| Sun 1a | Clear | 47°8° (likely 45°7° to 51°11°) | 47°8° | 0% | 3 mph5 km/h from NW, gusts 7 mph12 km/h | 83% | 0% | 0 |
| Sun 2a | Clear | 47°8° (likely 44°7° to 51°11°) | 47°8° | 0% | 3 mph5 km/h from NW, gusts 8 mph13 km/h | 83% | 0% | 0 |
| Sun 3a | Clear | 46°8° (likely 44°7° to 50°10°) | 46°8° | 0% | 3 mph5 km/h from NW, gusts 8 mph12 km/h | 89% | 0% | 0 |
| Sun 4a | Clear | 44°7° (likely 43°6° to 49°9°) | 44°7° | 0% | 3 mph5 km/h from NW, gusts 7 mph12 km/h | 96% | 0% | 0 |
| Sun 5a | Clear | 44°7° (likely 44°7° to 49°9°) | 44°7° | 0% | 3 mph5 km/h from N, gusts 6 mph10 km/h | 96% | 0% | 0 |
| Sun 6a | Clear | 44°7° (likely 44°7° to 48°9°) | 44°7° | 0% | 3 mph5 km/h from N, gusts 6 mph9 km/h | 79% | 0% | 0 |
| Sun 7a | Sunny | 44°7° (likely 44°7° to 48°9°) | 44°7° | 0% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 79% | 0% | 0 |
| Sun 8a | Sunny | 51°11° (likely 45°7° to 51°11°) | 51°11° | 0% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 63% | 0% | 0 |
| Sun 9a | Sunny | 52°11° (likely 49°9° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from NW, gusts 5 mph7 km/h | 66% | 0% | 1 |
| Sun 10a | Sunny | 54°12° (likely 52°11° to 55°13°) | 54°12° | 0% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 61% | 0% | 2 |
| Sun 11a | Sunny | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 3 mph5 km/h from N, gusts 5 mph8 km/h | 59% | 0% | 3 |
| Sun 12p | Sunny | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 2 mph3 km/h from NW, gusts 6 mph9 km/h | 53% | 0% | 4 |
| Sun 1p | Sunny | 58°14° (likely 58°14° to 62°17°) | 58°14° | 0% | 2 mph3 km/h from NW, gusts 5 mph8 km/h | 51% | 0% | 4 |
| Sun 2p | Sunny | 61°16° (likely 59°15° to 63°17°) | 61°16° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 44% | 0% | 4 |
| Sun 3p | Sunny | 61°16° (likely 60°16° to 64°18°) | 61°16° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 44% | 0% | 3 |
| Sun 4p | Sunny | 61°16° (likely 60°16° to 64°18°) | 61°16° | 0% | 2 mph3 km/h from W, gusts 5 mph8 km/h | 44% | 0% | 2 |
| Sun 5p | Sunny | 62°17° (likely 59°15° to 62°17°) | 62°17° | 0% | 2 mph3 km/h from W, gusts 5 mph7 km/h | 43% | 0% | 1 |
| Sun 6p | Clear | 61°16° (likely 54°12° to 61°16°) | 61°16° | 0% | 2 mph3 km/h from SW, gusts 7 mph12 km/h | 46% | 0% | 0 |
| Sun 7p | Clear | 59°15° (likely 52°11° to 59°15°) | 59°15° | 0% | 3 mph5 km/h from SW, gusts 9 mph15 km/h | 51% | 0% | 0 |
| Sun 8p | Clear | 57°14° (likely 50°10° to 57°14°) | 57°14° | 0% | 5 mph8 km/h from SW, gusts 11 mph18 km/h | 55% | 0% | 0 |
| Sun 9p | Clear | 55°13° (likely 48°9° to 55°13°) | 55°13° | 0% | 5 mph8 km/h from SW, gusts 11 mph18 km/h | 61% | 0% | 0 |
| Sun 10p | Clear | 55°13° (likely 47°8° to 55°13°) | 55°13° | 0% | 5 mph8 km/h from SW, gusts 11 mph17 km/h | 61% | 0% | 0 |
| Sun 11p | Clear | 55°13° (likely 46°8° to 55°13°) | 55°13° | 0% | 5 mph8 km/h from SW, gusts 10 mph16 km/h | 61% | 0% | 0 |
| Mon 12a | Clear | 55°13° (likely 46°8° to 55°13°) | 55°13° | 0% | 6 mph10 km/h from W, gusts 10 mph16 km/h | 61% | 0% | 0 |
| Mon 1a | Clear | 54°12° (likely 46°8° to 54°12°) | 54°12° | 0% | 6 mph10 km/h from W, gusts 11 mph17 km/h | 64% | 0% | 0 |
| Mon 2a | Clear | 54°12° (likely 46°8° to 54°12°) | 54°12° | 0% | 7 mph11 km/h from W, gusts 11 mph17 km/h | 64% | 0% | 0 |
| Mon 3a | Clear | 53°12° (likely 47°8° to 55°13°) | 53°12° | 0% | 7 mph11 km/h from W, gusts 10 mph16 km/h | 66% | 0% | 0 |
| Mon 4a | Clear | 53°12° (likely 46°8° to 54°12°) | 53°12° | 0% | 8 mph13 km/h from W, gusts 9 mph15 km/h | 66% | 0% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Cloudy. High 60°16°, low 40°4°. Typical 61°16° / 44°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Cloudy, 43°6°Dry
Afternoon
noon–6 PM
Mostly cloudy, 60°16°Dry
Evening
6 PM–midnight
Clear, 54°12°Dry
Overnight
midnight–6 AM
Clear, 44°7°Dry
Official NWS forecast
Today: Partly sunny, with a high near 60. Northwest wind 3 to 7 mph.
Tonight: Partly cloudy. Low around 40, with temperatures rising to around 42 overnight. Northeast wind around 7 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 57°14°–60°16°
- Low, likely
- 40°4°–47°8°
- Typical high / low
- 61°16° / 44°7°
- Wind
- 10 mph16 km/h, gusts 15 mph25 km/h
- UV peak
- 4
Tomorrow, Oct 25. Sunny. High 63°17°, low 44°7°. Typical 61°16° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 51°11°Dry
Afternoon
noon–6 PM
Sunny, 62°17°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Clear, 50°10°Dry
Official NWS forecast
Day: Sunny, with a high near 63. Northwest wind around 3 mph.
Night: Clear. Low around 44, with temperatures rising to around 52 overnight. Southwest wind 2 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 60°16°–64°18°
- Low, likely
- 43°6°–48°9°
- Typical high / low
- 61°16° / 44°7°
- Wind
- 9 mph14 km/h, gusts 15 mph25 km/h
- UV peak
- 4
Monday, Oct 26. Sunny. High 66°19°, low 52°11°. Typical 61°16° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 49°10°Dry
Afternoon
noon–6 PM
Sunny, 63°17°Dry
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Clear, 54°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny. High near 66, with temperatures falling to around 64 in the afternoon.
Night: Clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 62°17°–66°19°
- Low, likely
- 45°7°–52°11°
- Typical high / low
- 61°16° / 44°7°
- Wind
- 11 mph17 km/h
- UV peak
- 4
Tuesday, Oct 27. Sunny. High 57°14°, low 45°7°. Typical 60°16° / 43°6°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 51°11°Dry
Afternoon
noon–6 PM
Sunny, 55°13°Dry
Evening
6 PM–midnight
Clear, 51°11°Dry
Overnight
midnight–6 AM
Mostly clear, 46°8°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 57.
Night: Mostly clear, with a low around 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 57°14°–59°15°
- Low, likely
- 45°7°–51°11°
- Typical high / low
- 60°16° / 43°6°
- Wind
- 16 mph26 km/h, gusts 26 mph41 km/h
- UV peak
- 4
Wednesday, Oct 28. Mostly sunny. High 56°13°, low 51°11°. Typical 60°16° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 44°7°Dry
Afternoon
noon–6 PM
Partly sunny, 55°13°Dry
Evening
6 PM–midnight
Cloudy, 51°11°Dry
Overnight
midnight–6 AM
Mostly clear, 50°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 56.
Night: Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 53°12°–57°14°
- Low, likely
- 41°5°–51°11°
- Typical high / low
- 60°16° / 43°6°
- Wind
- 13 mph21 km/h
- UV peak
- 4
Thursday, Oct 29. Partly sunny. High 63°17°, low 55°13°. Typical 60°16° / 43°6°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 51°10°Dry
Afternoon
noon–6 PM
Sunny, 61°16°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Clear, 54°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Partly cloudy, with a low around 55.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 59°15°–63°17°
- Low, likely
- 46°8°–55°13°
- Typical high / low
- 60°16° / 43°6°
- Wind
- 12 mph20 km/h, gusts 22 mph36 km/h
- UV peak
- 4
Friday, Oct 30. Partly sunny. High 65°18°, low 53°12°. Typical 59°15° / 42°6°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 53°12°Dry
Afternoon
noon–6 PM
Sunny, 65°18°Dry
Evening
6 PM–midnight
Clear, 61°16°Dry
Overnight
midnight–6 AM
Clear, 54°12°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–66°19°
- Low, likely
- 51°11°–55°13°
- Typical high / low
- 59°15° / 42°6°
- Wind
- 14 mph22 km/h, gusts 26 mph42 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 62°17°, low 53°12°. Typical 59°15° / 42°6°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 53°12°Dry
Afternoon
noon–6 PM
Mostly sunny, 62°17°Dry
Evening
6 PM–midnight
Cloudy, 58°15°Dry
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
- 59°15°–68°20°
- Low, likely
- 52°11°–55°13°
- Typical high / low
- 59°15° / 42°6°
- Wind
- 16 mph26 km/h, gusts 25 mph40 km/h
- UV peak
- 4
Sunday, Nov 1. Cloudy. High 62°17°, low 55°13°. Typical 58°14° / 42°6°. Dry. Forecasts differ.
Morning
6 AM–noon
Mostly sunny, 55°13°Dry
Afternoon
noon–6 PM
Cloudy, 62°17°Dry
Evening
6 PM–midnight
Cloudy, 59°15°Dry
Overnight
midnight–6 AM
Drizzle, 58°15°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
- 58°14°–66°19°
- Low, likely
- 47°8°–59°15°
- Typical high / low
- 58°14° / 42°6°
- Wind
- 12 mph19 km/h
- UV peak
- 3
Monday, Nov 2. Drizzle. High 61°16°, low 58°14°. Typical 58°14° / 42°6°. Rain 0.04 in1 mm, 30% chance. Mostly agree.
Morning
6 AM–noon
Drizzle, 60°15°20% chance
Afternoon
noon–6 PM
Cloudy, 63°17°20% chance
Evening
6 PM–midnight
Clear, 60°15°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 60°16°–63°17°
- Low, likely
- 55°13°–60°16°
- Typical high / low
- 58°14° / 42°6°
- Wind
- 12 mph19 km/h, gusts 18 mph29 km/h
- UV peak
- 2
The outlook
Today
Dry, high 60°, low 40°.
Tomorrow
Dry, high 63°, low 44°, warming up.
Monday
Dry, high 66°, low 52°, warming up.
Rest of week
Mostly dry, highs 56–65°.
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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Flax Pond at Old Field (IN MLLW)
4.0 mi- Level
- 4.5 ft
Reading from Sat 3:24 AM · NWS gauge page
Great South Bay at Watch Hill (IN MLLW)
19 mi- Level
- 1.2 ft
Reading from Sat 4 AM · NWS gauge page
Moriches Bay at Moriches Bay (IN MLLW)
20 mi- Level
- 2.2 ft
Reading from Sat 3:48 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 75% less heating than a typical week.
This week 23Typical 93
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 10
- 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 2 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 36°F).
Open the windows?
Today, 3:00 PM–6:00 PM
Good stretch to open the windows.
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
- 60°16° / 40°4°
- Record high
- 74°23° in 1963
- Record low
- 25°−4° in 1969
Last 7 days vs normal
On average 0° colder than normal (daily mean temperature).
- −6°−3°SunOct 18
- −4°−2°MonOct 19
- +3°+1°TueOct 20
- +2°+1°WedOct 21
- +4°+2°ThuOct 22
- —FriOct 23
- —SatOct 24
Belle Terre 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 31 min less
- Golden hour
- 5:20–6:15 PM
- Morning 6:56–7:51 AM
- Blue hour
- 6:15–6:26 PM
- Morning 6:45–6:56 AM; first light 6:45 AM
Stars tonight? Good
Clear 5:53–6:45 AM; moon 96% lit but below the horizon.
Moon
Waxing gibbous
96% lit · growing
- Today
- sets 5:24 AM · rises 4:55 PM
- Full moon
- Oct 26
- New moon
- Nov 9
