Observed 6:35 AM EDT at KHPN

Lattingtown, NY weather

Clear and 43°6°.

Forecasts agree

Now 43°6°

Clear · Feels like 38°3°

Wind: 8 mph13 km/h; From the north-northwest. Gusts to 21 mph33 km/h around 9 AM
Dew point: 37°3°; Comfortable
UV index: 0Low; Moderate 12–3 PM · peak 3
Air today: 33Good; EPA forecast · PM2.5 (fine particles)
Pressure: 30.27 inHg1025 hPa; Rising · +0.09 inHg+3.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 58°14° today at 3 PM
Below 50°10° tonight after 8 PM
Low 42°6° tonight at 5 AM
Above 50°10° tomorrow by 10 AM

This morningUp to 53°12° by 11 AM · Clear
This afternoonUp to 58°14° by 3 PM · Clear
TonightDown to 42°6° by 5 AM · Partly cloudy
Tomorrow morningUp to 54°12° by 11 AM · Partly cloudy
Tomorrow afternoonUp to 60°16° by 2 PM · Partly cloudy
Tomorrow nightDown to 42°6° by 4 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 7a	Sunny	45°7° (likely 45°7° to 49°9°)	40°4°	0%	10 mph16 km/h from NE, gusts 20 mph31 km/h	76%	0%	0
Fri 8a	Sunny	47°8° (likely 47°8° to 49°9°)	42°6°	0%	10 mph16 km/h from NE, gusts 19 mph30 km/h	68%	0%	0
Fri 9a	Sunny	49°9° (likely 49°9° to 51°11°)	45°7°	0%	9 mph14 km/h from NE, gusts 21 mph33 km/h	61%	0%	0
Fri 10a	Sunny	51°11° (likely 51°11° to 52°11°)	51°11°	0%	9 mph14 km/h from NE, gusts 20 mph32 km/h	52%	0%	1
Fri 11a	Sunny	53°12° (likely 53°12° to 54°12°)	53°12°	0%	9 mph14 km/h from NE, gusts 19 mph30 km/h	46%	0%	2
Fri 12p	Sunny	54°12° (likely 54°12° to 55°13°)	54°12°	0%	8 mph13 km/h from NE, gusts 16 mph26 km/h	43%	0%	3
Fri 1p	Sunny	56°13° (likely 56°13° to 57°14°)	56°13°	0%	7 mph11 km/h from NE, gusts 15 mph23 km/h	38%	0%	3
Fri 2p	Sunny	57°14° (likely 57°14° to 58°14°)	57°14°	0%	6 mph10 km/h from NE, gusts 12 mph19 km/h	37%	0%	3
Fri 3p	Sunny	58°14° (likely 58°14° to 59°15°)	58°14°	0%	6 mph10 km/h from NE, gusts 11 mph17 km/h	36%	0%	2
Fri 4p	Sunny	58°14° (likely 58°14° to 59°15°)	58°14°	0%	5 mph8 km/h from NE, gusts 9 mph14 km/h	36%	1%	1
Fri 5p	Sunny	57°14° (likely 57°14° to 58°14°)	57°14°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	37%	0%	0
Fri 6p	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	5 mph8 km/h from N, gusts 6 mph10 km/h	40%	2%	0
Fri 7p	Clear	53°12° (likely 50°10° to 54°12°)	53°12°	0%	5 mph8 km/h from N, gusts 5 mph8 km/h	46%	6%	0
Fri 8p	Clear	49°9° (likely 48°9° to 53°12°)	47°8°	0%	6 mph10 km/h from N, gusts 5 mph7 km/h	56%	13%	0
Fri 9p	Mostly clear	48°9° (likely 47°8° to 52°11°)	45°7°	0%	6 mph10 km/h from NE, gusts 5 mph7 km/h	60%	48%	0
Fri 10p	Partly cloudy	46°8° (likely 46°8° to 51°11°)	44°7°	0%	5 mph8 km/h from NE, gusts 4 mph6 km/h	65%	36%	0
Fri 11p	Mostly clear	45°7° (likely 45°7° to 49°9°)	43°6°	0%	5 mph8 km/h from NE, gusts 3 mph5 km/h	68%	24%	0
Sat 12a	Clear	45°7° (likely 45°7° to 48°9°)	43°6°	0%	5 mph8 km/h from NE, gusts 3 mph4 km/h	68%	12%	0
Sat 1a	Mostly clear	44°7° (likely 44°7° to 48°9°)	41°5°	0%	5 mph8 km/h from NE, gusts 3 mph5 km/h	70%	48%	0
Sat 2a	Mostly clear	44°7° (likely 44°7° to 48°9°)	41°5°	0%	5 mph8 km/h from NE, gusts 4 mph6 km/h	70%	49%	0
Sat 3a	Mostly clear	43°6° (likely 43°6° to 47°8°)	40°4°	0%	5 mph8 km/h from NE, gusts 3 mph5 km/h	73%	46%	0
Sat 4a	Mostly clear	43°6° (likely 43°6° to 47°8°)	40°4°	0%	5 mph8 km/h from NE, gusts 3 mph6 km/h	70%	48%	0
Sat 5a	Partly cloudy	42°6° (likely 42°6° to 46°8°)	38°3°	0%	6 mph10 km/h from NE, gusts 4 mph6 km/h	73%	51%	0
Sat 6a	Partly cloudy	42°6° (likely 42°6° to 45°7°)	39°4°	0%	5 mph8 km/h from NE, gusts 4 mph6 km/h	73%	50%	0
Sat 7a	Mostly sunny	41°5° (likely 41°5° to 45°7°)	38°3°	0%	5 mph8 km/h from NE, gusts 5 mph7 km/h	76%	47%	0
Sat 8a	Partly sunny	43°6° (likely 42°6° to 45°7°)	40°4°	0%	5 mph8 km/h from NE, gusts 5 mph8 km/h	70%	47%	0
Sat 9a	Mostly cloudy	47°8° (likely 46°8° to 48°9°)	45°7°	0%	5 mph8 km/h from N, gusts 5 mph8 km/h	60%	61%	1
Sat 10a	Mostly cloudy	51°11° (likely 50°10° to 53°12°)	51°11°	0%	3 mph5 km/h from N, gusts 4 mph7 km/h	54%	63%	1
Sat 11a	Partly sunny	54°12° (likely 53°12° to 56°13°)	54°12°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	48%	67%	2
Sat 12p	Cloudy	56°13° (likely 56°13° to 58°14°)	56°13°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	43%	61%	3
Sat 1p	Cloudy	58°14° (likely 58°14° to 59°15°)	58°14°	0%	3 mph5 km/h from NW, gusts 6 mph9 km/h	39%	60%	4
Sat 2p	Mostly sunny	60°16° (likely 59°15° to 60°16°)	60°16°	0%	3 mph5 km/h from NW, gusts 6 mph9 km/h	35%	60%	3
Sat 3p	Mostly sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	35%	57%	3
Sat 4p	Partly sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	3 mph5 km/h from W, gusts 5 mph8 km/h	35%	53%	2
Sat 5p	Mostly sunny	59°15° (likely 58°14° to 60°16°)	59°15°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	36%	52%	1
Sat 6p	Mostly clear	57°14° (likely 55°13° to 57°14°)	57°14°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	40%	46%	0
Sat 7p	Partly cloudy	54°12° (likely 51°11° to 55°13°)	54°12°	0%	2 mph3 km/h from W, gusts 6 mph10 km/h	45%	33%	0
Sat 8p	Clear	50°10° (likely 49°9° to 55°13°)	50°10°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	54%	9%	0
Sat 9p	Clear	49°9° (likely 47°8° to 52°11°)	49°9°	0%	2 mph3 km/h from NW, gusts 9 mph14 km/h	56%	6%	0
Sat 10p	Clear	48°9° (likely 46°8° to 50°10°)	48°9°	0%	2 mph3 km/h from W, gusts 9 mph15 km/h	60%	3%	0
Sat 11p	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	2 mph3 km/h from W, gusts 9 mph14 km/h	65%	0%	0
Sun 12a	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	70%	0%	0
Sun 1a	Clear	44°7° (likely 44°7° to 50°10°)	42°6°	0%	3 mph5 km/h from NW, gusts 8 mph12 km/h	73%	0%	0
Sun 2a	Clear	43°6° (likely 43°6° to 51°11°)	41°5°	0%	3 mph5 km/h from NW, gusts 7 mph11 km/h	79%	0%	0
Sun 3a	Clear	43°6° (likely 43°6° to 53°12°)	41°5°	0%	3 mph5 km/h from NW, gusts 3 mph6 km/h	79%	0%	0
Sun 4a	Clear	42°6° (likely 42°6° to 52°11°)	40°4°	0%	3 mph5 km/h from NW, gusts 4 mph6 km/h	82%	0%	0
Sun 5a	Clear	42°6° (likely 42°6° to 51°11°)	40°4°	0%	3 mph5 km/h from NW, gusts 3 mph5 km/h	82%	0%	0
Sun 6a	Clear	41°5° (likely 41°5° to 51°11°)	39°4°	0%	3 mph5 km/h from NW, gusts 4 mph6 km/h	86%	0%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Sunny. High 58°14°, low 41°5°. Typical 60°16° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 42°6°
  Dry
Official NWS forecast
Today: Sunny, with a high near 58. Northeast wind 5 to 10 mph.
Tonight: Mostly clear, with a low around 41. Northeast wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–59°15°
Low, likely
41°5°–48°9°
Typical high / low
60°16° / 43°6°
Wind
12 mph19 km/h, gusts 28 mph45 km/h
UV peak
4
Tomorrow, Oct 24. Partly sunny. High 60°16°, low 41°5°. Typical 60°16° / 43°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 60. North wind around 5 mph.
Night: Mostly clear, with a low around 41. Northwest wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–61°16°
Low, likely
41°5°–45°7°
Typical high / low
60°16° / 43°6°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
4
Sunday, Oct 25. Sunny. High 63°17°, low 44°7°. Typical 60°16° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  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 63. West wind around 3 mph.
Night: Clear, with a low around 44.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–65°18°
Low, likely
42°6°–48°9°
Typical high / low
60°16° / 42°6°
Wind
6 mph10 km/h, gusts 11 mph18 km/h
UV peak
4
Monday, Oct 26. Sunny. High 67°19°, low 49°9°. Typical 59°15° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°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 67.
Night: Clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–67°19°
Low, likely
42°6°–50°10°
Typical high / low
59°15° / 42°6°
Wind
7 mph11 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 60°16°, low 43°6°. Typical 59°15° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 60.
Night: Mostly clear, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
43°6°–53°12°
Typical high / low
59°15° / 42°6°
Wind
11 mph18 km/h, gusts 26 mph42 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 57°14°, low 46°8°. Typical 59°15° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 51°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 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
57°14°–59°15°
Low, likely
43°6°–50°10°
Typical high / low
59°15° / 42°6°
Wind
7 mph12 km/h, gusts 15 mph24 km/h
UV peak
2
Thursday, Oct 29. Partly sunny. High 62°17°, low 49°9°. Typical 58°14° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  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 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
47°8°–53°12°
Typical high / low
58°14° / 41°5°
Wind
11 mph17 km/h, gusts 28 mph45 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 67°19°, low 53°12°. Typical 58°14° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
51°11°–54°12°
Typical high / low
58°14° / 41°5°
Wind
11 mph18 km/h, gusts 23 mph37 km/h
UV peak
4
Saturday, Oct 31. Sunny. High 59°15°, low 50°10°. Typical 58°14° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  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
54°12°–65°18°
Low, likely
44°7°–59°15°
Typical high / low
58°14° / 41°5°
Wind
11 mph18 km/h, gusts 23 mph37 km/h
UV peak
3
Sunday, Nov 1. Showers. High 60°16°, low 50°10°. Typical 57°14° / 40°4°. Rain 0.14 in3.6 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  20% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Showers, 52°11°
  30% chance · 0.12 in3 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
57°14°–62°17°
Low, likely
39°4°–58°14°
Typical high / low
57°14° / 40°4°
Wind
12 mph19 km/h, gusts 24 mph38 km/h

10 days15 days30 days

The outlook

Today
Dry, high 58°, low 41°.
Tomorrow
Dry, high 60°, low 41°.
Sunday
Dry, high 63°, low 44°, warming up.
Rest of week
Mostly dry, highs 57–67°.

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

Hudson Bay at Freeport (IN MLLW)

19 mi

Minor flooding

Level: 6.0 ft

Reading from Fri 6:30 AM · NWS gauge page

Hog Island Channel at Island Park (IN MLLW)

20 mi

Minor flooding

Level: 6.4 ft

Reading from Fri 6:43 AM · NWS gauge page

Little Neck Bay at Kings Point (IN MLLW)

11 mi

Below flood stage

Level: 5.4 ft

Forecast peak 9.2 ft Fri 9 AM

Reading from Fri 6:36 AM · NWS gauge page

Long Island Sound above Lattingtown (IN MLLW)

0.7 mi

Below flood stage

Level: 4.4 ft

Reading from Fri 6:42 AM · NWS gauge page

For your home

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

Heating this week

About 70% less heating than a typical week.

This week 30Typical 100

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 21
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 3 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Sat, 2:00 PM–4:00 PM

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

Is this typical?

WESTCHESTER CO AP · official normals 1991–2020 · records 1948–2026

Oct 23, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

On average 3°2° colder than normal (daily mean temperature).

−7°−4°SatOct 17
−7°−4°SunOct 18
−2°−1°MonOct 19
—TueOct 20
±0°WedOct 21
+1°ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 47 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 33 min less
Golden hour: 5:24–6:19 PM; Morning 6:57–7:52 AM
Blue hour: 6:19–6:30 PM; Morning 6:46–6:57 AM; first light 6:46 AM

Stars tonight? Fair

Mostly clear 6:30–9 PM, but the moon is 95% lit and up.

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:17 AM · rises 4:33 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from Lattingtown. The highest point on the skyline is about 1,600 ft, 30 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.