Frost Advisory
Starts in 10 h 12 min
When
From midnight tonight to 9 AM EDT Sunday.
Where
In Connecticut, Southern Fairfield, Southern Middlesex, Southern New Haven, and Southern New London Counties. In New York, Northeast Suffolk and Southeast Suffolk Counties.
Issued for this forecast zone · National Weather Service Upton NY
What, impacts and precautionsHide details
What
Temperatures as low as 35 will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Northeast Suffolk; Southeast Suffolk
See it on weather.gov (opens in a new tab)

Observed 1:35 PM EDT at KFOK

West Hampton Dunes, NY weather

Sunny and 61°16°, jacket by 6 PM.

Mostly agree

Now 61°16°

Sunny

Wind: 6 mph9 km/h; From the northwest. Up to 6 mph10 km/h through 1 AM
Dew point: 38°3°; Comfortable
UV index: 4Moderate; Moderate until 4 PM
Pressure: 30.54 inHg1034 hPa; Falling slowly · −0.03 inHg−0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

2°1° warmer than this time yesterday (56°13° then, 58°14° now)

Good hours for

High 60°16° today at 2 PM
Below 50°10° tonight after 8 PM
Low 36°2° tonight at 3 AM
Above 50°10° tomorrow by 10 AM

This afternoonNear 59°15° · Partly cloudy
TonightDown to 36°2° by 3 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonNear 59°15° · Clear
Tomorrow nightDown to 47°8° by 5 AM · Clear
Monday morningUp to 57°14° by 11 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
Sat 1p	Partly sunny	59°15° (likely 56°13° to 61°16°)	59°15°	0%	5 mph8 km/h from NW, gusts 8 mph12 km/h	45%	59%	4
Sat 2p	Mostly cloudy	60°16° (likely 57°14° to 61°16°)	60°16°	0%	5 mph8 km/h from NW, gusts 7 mph12 km/h	44%	48%	4
Sat 3p	Sunny	60°16° (likely 57°14° to 60°16°)	60°16°	0%	5 mph8 km/h from W, gusts 8 mph14 km/h	42%	43%	3
Sat 4p	Mostly cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	6 mph10 km/h from W, gusts 9 mph15 km/h	41%	57%	2
Sat 5p	Cloudy	58°14° (likely 56°13° to 59°15°)	58°14°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	45%	79%	1
Sat 6p	Partly cloudy	54°12° (likely 52°11° to 57°14°)	54°12°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	54%	62%	0
Sat 7p	Mostly clear	50°10° (likely 49°9° to 57°14°)	50°10°	0%	3 mph5 km/h from W, gusts 8 mph14 km/h	63%	30%	0
Sat 8p	Clear	47°8° (likely 47°8° to 56°13°)	47°8°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	74%	16%	0
Sat 9p	Clear	44°7° (likely 44°7° to 56°13°)	44°7°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	79%	8%	0
Sat 10p	Clear	42°6° (likely 42°6° to 55°13°)	42°6°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	86%	5%	0
Sat 11p	Clear	41°5° (likely 41°5° to 55°13°)	41°5°	0%	3 mph5 km/h from W, gusts 8 mph13 km/h	92%	7%	0
Sun 12a	Clear	39°4° (likely 39°4° to 54°12°)	39°4°	0%	3 mph5 km/h from NW, gusts 8 mph13 km/h	100%	0%	0
Sun 1a	Clear	38°3° (likely 38°3° to 53°12°)	38°3°	0%	3 mph5 km/h from NW, gusts 7 mph12 km/h	100%	0%	0
Sun 2a	Clear	38°3° (likely 38°3° to 52°11°)	38°3°	0%	3 mph5 km/h from NW, gusts 8 mph13 km/h	100%	1%	0
Sun 3a	Clear	36°2° (likely 36°2° to 52°11°)	36°2°	0%	3 mph5 km/h from NW, gusts 8 mph13 km/h	100%	1%	0
Sun 4a	Clear	36°2° (likely 36°2° to 51°11°)	36°2°	0%	3 mph5 km/h from NW, gusts 8 mph13 km/h	100%	2%	0
Sun 5a	Clear	36°2° (likely 36°2° to 51°11°)	32°0°	0%	5 mph8 km/h from NW, gusts 8 mph13 km/h	100%	2%	0
Sun 6a	Clear	36°2° (likely 36°2° to 51°11°)	32°0°	0%	5 mph8 km/h from NW, gusts 8 mph13 km/h	92%	2%	0
Sun 7a	Sunny	36°2° (likely 36°2° to 51°11°)	36°2°	0%	3 mph5 km/h from NW, gusts 8 mph13 km/h	89%	1%	0
Sun 8a	Sunny	45°7° (likely 40°4° to 51°11°)	43°6°	0%	5 mph8 km/h from N, gusts 8 mph12 km/h	70%	2%	0
Sun 9a	Sunny	49°9° (likely 47°8° to 52°11°)	49°9°	0%	3 mph5 km/h from NW, gusts 7 mph11 km/h	68%	0%	1
Sun 10a	Sunny	53°12° (likely 53°12° to 56°13°)	53°12°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	61%	0%	2
Sun 11a	Sunny	57°14° (likely 56°13° to 59°15°)	57°14°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	53%	0%	3
Sun 12p	Sunny	59°15° (likely 57°14° to 61°16°)	59°15°	0%	3 mph5 km/h from NW, gusts 6 mph9 km/h	49%	0%	4
Sun 1p	Sunny	60°16° (likely 58°14° to 63°17°)	60°16°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	47%	0%	4
Sun 2p	Sunny	62°17° (likely 59°15° to 63°17°)	62°17°	0%	3 mph5 km/h from W, gusts 8 mph12 km/h	44%	0%	4
Sun 3p	Sunny	60°16° (likely 59°15° to 63°17°)	60°16°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	47%	0%	3
Sun 4p	Sunny	60°16° (likely 59°15° to 62°17°)	60°16°	0%	6 mph10 km/h from SW, gusts 8 mph13 km/h	49%	0%	2
Sun 5p	Sunny	59°15° (likely 58°14° to 60°16°)	59°15°	0%	6 mph10 km/h from SW, gusts 9 mph14 km/h	51%	0%	1
Sun 6p	Clear	56°13° (likely 54°12° to 59°15°)	56°13°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	57%	0%	0
Sun 7p	Clear	53°12° (likely 51°11° to 58°14°)	53°12°	0%	5 mph8 km/h from SW, gusts 10 mph15 km/h	64%	0%	0
Sun 8p	Clear	52°11° (likely 50°10° to 58°14°)	52°11°	0%	5 mph8 km/h from SW, gusts 11 mph17 km/h	66%	0%	0
Sun 9p	Clear	51°11° (likely 50°10° to 58°14°)	51°11°	0%	3 mph5 km/h from SW, gusts 12 mph19 km/h	68%	0%	0
Sun 10p	Clear	51°11° (likely 49°9° to 58°14°)	51°11°	0%	3 mph5 km/h from SW, gusts 13 mph21 km/h	68%	0%	0
Sun 11p	Clear	51°11° (likely 47°8° to 58°14°)	51°11°	0%	5 mph8 km/h from SW, gusts 13 mph22 km/h	68%	0%	0
Mon 12a	Clear	51°11° (likely 46°8° to 58°14°)	51°11°	0%	5 mph8 km/h from W, gusts 15 mph24 km/h	66%	0%	0
Mon 1a	Clear	51°11° (likely 45°7° to 57°14°)	51°11°	0%	6 mph10 km/h from W, gusts 15 mph25 km/h	66%	0%	0
Mon 2a	Clear	50°10° (likely 44°7° to 56°13°)	48°9°	0%	6 mph10 km/h from W, gusts 14 mph23 km/h	66%	0%	0
Mon 3a	Clear	49°9° (likely 43°6° to 55°13°)	46°8°	0%	7 mph11 km/h from W, gusts 13 mph20 km/h	66%	0%	0
Mon 4a	Clear	48°9° (likely 43°6° to 54°12°)	45°7°	0%	7 mph11 km/h from W, gusts 14 mph23 km/h	65%	0%	0
Mon 5a	Clear	47°8° (likely 43°6° to 54°12°)	43°6°	0%	8 mph13 km/h from W, gusts 14 mph23 km/h	65%	0%	0
Mon 6a	Clear	47°8° (likely 43°6° to 50°10°)	43°6°	0%	8 mph13 km/h from W, gusts 14 mph22 km/h	65%	0%	0
Mon 7a	Sunny	47°8° (likely 43°6° to 48°9°)	43°6°	0%	8 mph13 km/h from W, gusts 14 mph23 km/h	68%	0%	0
Mon 8a	Sunny	48°9° (likely 44°7° to 49°9°)	44°7°	0%	8 mph13 km/h from W, gusts 12 mph20 km/h	68%	9%	0
Mon 9a	Sunny	50°10° (likely 47°8° to 54°12°)	47°8°	0%	8 mph13 km/h from W, gusts 12 mph19 km/h	71%	16%	1
Mon 10a	Sunny	54°12° (likely 54°12° to 58°14°)	54°12°	0%	8 mph13 km/h from W, gusts 14 mph22 km/h	61%	11%	2
Mon 11a	Sunny	57°14° (likely 56°13° to 62°17°)	57°14°	0%	8 mph13 km/h from W, gusts 12 mph20 km/h	57%	8%	3
Mon 12p	Sunny	60°16° (likely 58°14° to 64°18°)	60°16°	0%	8 mph13 km/h from W, gusts 12 mph20 km/h	53%	1%	4

Days ahead

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

Today, Oct 24. Cloudy. High 60°16°, low 33°1°. Typical 61°16° / 40°4°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 60°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Today: Partly sunny. High near 60, with temperatures falling to around 58 in the afternoon. Northwest wind around 6 mph.
Tonight: Patchy frost after midnight. Mostly clear. Low around 33, with temperatures rising to around 36 overnight. Northwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
33°1°–48°9°
Typical high / low
61°16° / 40°4°
Wind
9 mph15 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 62°17°, low 36°2°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Areas of frost before 8am. Sunny. High near 62, with temperatures falling to around 59 in the afternoon. West wind around 6 mph.
Night: Clear. Low around 36, with temperatures rising to around 47 overnight. West wind 3 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–63°17°
Low, likely
36°2°–51°11°
Typical high / low
60°16° / 39°4°
Wind
12 mph20 km/h
UV peak
4
Monday, Oct 26. Sunny. High 65°18°, low 48°9°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Official NWS forecast
Day: Sunny. High near 65, with temperatures falling to around 63 in the afternoon. West wind around 9 mph.
Night: Mostly clear. Low around 48, with temperatures rising to around 50 overnight.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
43°6°–49°9°
Typical high / low
60°16° / 39°4°
Wind
13 mph21 km/h, gusts 21 mph34 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 56°13°, low 44°7°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  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 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–59°15°
Low, likely
44°7°–50°10°
Typical high / low
60°16° / 39°4°
Wind
13 mph20 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 57°14°, low 51°11°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  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 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–58°14°
Low, likely
39°4°–51°11°
Typical high / low
59°15° / 38°3°
Wind
11 mph17 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 62°17°, low 55°13°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. 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 62.
Night: Partly cloudy, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
47°8°–55°13°
Typical high / low
59°15° / 38°3°
Wind
13 mph21 km/h, gusts 22 mph36 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 64°18°, low 51°11°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  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: Mostly sunny, with a high near 64.
Night: Mostly clear, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
51°11°–55°13°
Typical high / low
59°15° / 38°3°
Wind
12 mph19 km/h, gusts 26 mph41 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 63°17°, low 53°12°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  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
61°16°–67°19°
Low, likely
51°11°–56°13°
Typical high / low
58°14° / 38°3°
Wind
12 mph19 km/h, gusts 26 mph42 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 62°17°, low 57°14°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°16°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  20% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  30% chance · 0.06 in1.6 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
59°15°–64°18°
Low, likely
54°12°–60°16°
Typical high / low
58°14° / 37°3°
Wind
12 mph19 km/h, gusts 25 mph40 km/h
UV peak
2
Monday, Nov 2. Showers. High 64°18°, low 60°16°. Typical 58°14° / 37°3°. Rain 0.51 in13 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Showers, 61°16°
  30% chance · 0.08 in2 mm
2. Afternoon
  noon–6 PM
  Showers, 64°18°
  20% chance · 0.13 in3.2 mm
3. Evening
  6 PM–midnight
  Showers, 63°17°
  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 agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–65°18°
Low, likely
58°14°–61°16°
Typical high / low
58°14° / 37°3°
Wind
17 mph27 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 33°.
Tomorrow
Dry, high 62°, low 36°.
Monday
Dry, high 65°, low 48°, warming up.
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

Moriches Bay at Moriches Bay (IN MLLW)

2.4 mi

Below flood stage

Level: 2.3 ft

Reading from Sat 11:48 AM · NWS gauge page

Peconic River at Riverhead (IN MLLW)

10 mi

Below flood stage

Level: 4.5 ft

Reading from Sat 11:54 AM · NWS gauge page

Shinnecock Bay at Ponquogue (IN MLLW)

12 mi

Below flood stage

Level: 1.6 ft

Reading from Sat 11:48 AM · NWS gauge page

Great South Bay at Watch Hill (IN MLLW)

16 mi

Below flood stage

Level: 2.2 ft

Reading from Sat 12 PM · 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 30Typical 111

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 16
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 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 38°F).

Open the windows?

Today, 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?

Westhampton Gabreski Airport · official normals 1991–2020 · records 1951–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

West Hampton Dunes weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:19–6:14 PM; Morning 6:54–7:50 AM
Blue hour: 6:14–6:25 PM; Morning 6:44–6:54 AM; first light 6:44 AM

Stars tonight? Fair

Clear 8 PM–6:45 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:22 AM · rises 4:53 PM
Full moon: Oct 26
New moon: Nov 9

Looking south from West Hampton Dunes. The highest point on the skyline is about 1,600 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Frost Advisory

West Hampton Dunes, NY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Moriches Bay at Moriches Bay (IN MLLW)

Peconic River at Riverhead (IN MLLW)

Shinnecock Bay at Ponquogue (IN MLLW)

Great South Bay at Watch Hill (IN MLLW)

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon