Observed 8:15 AM EDT at KISP

Commack, NY weather

Sunny and 46°8°.

Forecasts agree

Now 46°8°

Sunny

Wind: 5 mph7 km/h; From the north-northeast. Up to 5 mph8 km/h through 9 PM
Dew point: 41°5°; Comfortable
UV index: 0Low; Moderate 12–2 PM · peak 3
Air quality: 29Good; PM2.5 (fine particles) · tomorrow moderate
Pressure: 30.52 inHg1034 hPa; Rising · +0.05 inHg+1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 60°16° today at 2 PM
Below 50°10° tonight after 9 PM
Low 42°6° tonight at 5 AM
Above 50°10° tomorrow by 10 AM

This morningUp to 56°13° by 11 AM · Mostly cloudy
This afternoonNear 59°15° · Mostly cloudy
TonightDown to 42°6° by 5 AM · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 63°17° by 4 PM · Clear
Tomorrow nightDown to 44°7° by 4 AM · Clear
Monday morningNear 44°7° · 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 9a	Mostly cloudy	47°8° (likely 46°8° to 49°9°)	47°8°	0%	3 mph5 km/h from N, gusts 9 mph14 km/h	83%	60%	0
Sat 10a	Cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	0%	3 mph5 km/h from N, gusts 9 mph14 km/h	66%	75%	1
Sat 11a	Cloudy	56°13° (likely 53°12° to 56°13°)	56°13°	0%	3 mph5 km/h from N, gusts 7 mph11 km/h	57%	79%	2
Sat 12p	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	0%	3 mph5 km/h from N, gusts 4 mph7 km/h	49%	80%	3
Sat 1p	Cloudy	58°14° (likely 57°14° to 60°16°)	58°14°	0%	5 mph8 km/h from N, gusts 6 mph9 km/h	49%	77%	3
Sat 2p	Cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	5 mph8 km/h from NW, gusts 7 mph10 km/h	44%	68%	2
Sat 3p	Cloudy	60°16° (likely 60°16° to 61°16°)	60°16°	0%	5 mph8 km/h from NW, gusts 7 mph11 km/h	42%	61%	2
Sat 4p	Cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	3 mph5 km/h from NW, gusts 7 mph11 km/h	44%	63%	1
Sat 5p	Partly sunny	59°15° (likely 58°14° to 59°15°)	59°15°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	47%	68%	0
Sat 6p	Partly cloudy	56°13° (likely 54°12° to 56°13°)	56°13°	0%	2 mph3 km/h from SW, gusts 6 mph9 km/h	53%	61%	0
Sat 7p	Mostly clear	53°12° (likely 51°11° to 53°12°)	53°12°	0%	2 mph3 km/h from SW, gusts 5 mph8 km/h	59%	40%	0
Sat 8p	Mostly clear	51°11° (likely 49°9° to 52°11°)	51°11°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	66%	13%	0
Sat 9p	Clear	49°9° (likely 46°8° to 50°10°)	49°9°	0%	1 mph2 km/h from W, gusts 5 mph7 km/h	68%	2%	0
Sat 10p	Clear	47°8° (likely 45°7° to 48°9°)	47°8°	0%	1 mph2 km/h from W, gusts 5 mph9 km/h	76%	0%	0
Sat 11p	Clear	47°8° (likely 44°7° to 47°8°)	47°8°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	74%	0%	0
Sun 12a	Clear	46°8° (likely 43°6° to 47°8°)	46°8°	0%	1 mph2 km/h from NW, gusts 6 mph9 km/h	76%	1%	0
Sun 1a	Clear	45°7° (likely 42°6° to 47°8°)	45°7°	0%	2 mph3 km/h from NW, gusts 7 mph10 km/h	82%	0%	0
Sun 2a	Clear	44°7° (likely 41°5° to 46°8°)	44°7°	0%	2 mph3 km/h from NW, gusts 9 mph15 km/h	89%	0%	0
Sun 3a	Clear	44°7° (likely 41°5° to 46°8°)	44°7°	0%	2 mph3 km/h from NW, gusts 9 mph14 km/h	86%	0%	0
Sun 4a	Clear	43°6° (likely 40°4° to 46°8°)	43°6°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	93%	0%	0
Sun 5a	Clear	42°6° (likely 40°4° to 46°8°)	42°6°	0%	3 mph5 km/h from NW, gusts 8 mph12 km/h	96%	0%	0
Sun 6a	Clear	42°6° (likely 39°4° to 46°8°)	42°6°	0%	2 mph3 km/h from NW, gusts 7 mph11 km/h	86%	0%	0
Sun 7a	Sunny	42°6° (likely 39°4° to 46°8°)	42°6°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	82%	0%	0
Sun 8a	Sunny	43°6° (likely 41°5° to 46°8°)	43°6°	0%	3 mph5 km/h from NW, gusts 6 mph9 km/h	86%	2%	0
Sun 9a	Sunny	48°9° (likely 47°8° to 50°10°)	48°9°	0%	3 mph5 km/h from NW, gusts 6 mph9 km/h	77%	0%	1
Sun 10a	Sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	3 mph5 km/h from N, gusts 5 mph7 km/h	66%	0%	2
Sun 11a	Sunny	56°13° (likely 56°13° to 59°15°)	56°13°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	59%	0%	3
Sun 12p	Sunny	58°14° (likely 58°14° to 62°17°)	58°14°	0%	3 mph5 km/h from NW, gusts 5 mph9 km/h	53%	0%	4
Sun 1p	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	3 mph5 km/h from NW, gusts 4 mph7 km/h	46%	0%	4
Sun 2p	Sunny	62°17° (likely 62°17° to 65°18°)	62°17°	0%	3 mph5 km/h from W, gusts 4 mph6 km/h	43%	0%	4
Sun 3p	Sunny	62°17° (likely 62°17° to 66°19°)	62°17°	0%	3 mph5 km/h from W, gusts 4 mph6 km/h	43%	0%	3
Sun 4p	Sunny	63°17° (likely 62°17° to 65°18°)	63°17°	0%	3 mph5 km/h from W, gusts 4 mph7 km/h	41%	0%	2
Sun 5p	Sunny	62°17° (likely 60°16° to 63°17°)	62°17°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	44%	0%	1
Sun 6p	Clear	58°14° (likely 54°12° to 59°15°)	58°14°	0%	3 mph5 km/h from SW, gusts 7 mph11 km/h	53%	0%	0
Sun 7p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	3 mph5 km/h from SW, gusts 8 mph13 km/h	59%	0%	0
Sun 8p	Clear	51°11° (likely 49°9° to 53°12°)	51°11°	0%	3 mph5 km/h from SW, gusts 10 mph16 km/h	74%	0%	0
Sun 9p	Clear	50°10° (likely 47°8° to 50°10°)	50°10°	0%	3 mph5 km/h from SW, gusts 10 mph16 km/h	77%	0%	0
Sun 10p	Clear	49°9° (likely 46°8° to 50°10°)	49°9°	0%	3 mph5 km/h from SW, gusts 10 mph16 km/h	80%	0%	0
Sun 11p	Clear	48°9° (likely 45°7° to 49°9°)	48°9°	0%	3 mph5 km/h from SW, gusts 9 mph14 km/h	83%	1%	0
Mon 12a	Clear	47°8° (likely 45°7° to 49°9°)	47°8°	0%	3 mph5 km/h from W, gusts 9 mph15 km/h	86%	0%	0
Mon 1a	Clear	47°8° (likely 44°7° to 49°9°)	47°8°	0%	3 mph5 km/h from W, gusts 10 mph16 km/h	83%	0%	0
Mon 2a	Clear	46°8° (likely 42°6° to 50°10°)	46°8°	0%	3 mph5 km/h from W, gusts 11 mph17 km/h	83%	0%	0
Mon 3a	Clear	45°7° (likely 39°4° to 52°11°)	45°7°	0%	3 mph5 km/h from W, gusts 9 mph14 km/h	86%	0%	0
Mon 4a	Clear	44°7° (likely 39°4° to 51°11°)	41°5°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	89%	0%	0
Mon 5a	Clear	44°7° (likely 39°4° to 51°11°)	41°5°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	89%	1%	0
Mon 6a	Clear	43°6° (likely 40°4° to 50°10°)	40°4°	0%	5 mph8 km/h from W, gusts 10 mph15 km/h	89%	2%	0
Mon 7a	Sunny	43°6° (likely 40°4° to 50°10°)	40°4°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	89%	1%	0
Mon 8a	Sunny	45°7° (likely 40°4° to 51°11°)	43°6°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	86%	16%	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.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°6°
  Dry
Official NWS forecast
Today: Partly sunny, with a high near 60. Northwest wind around 5 mph.
Tonight: Mostly clear. Low around 40, with temperatures rising to around 42 overnight. West wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–61°16°
Low, likely
39°4°–44°7°
Typical high / low
61°16° / 44°7°
Wind
7 mph11 km/h, gusts 12 mph20 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 42°6°. Typical 61°16° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Day: Sunny. High near 64, with temperatures falling to around 62 in the afternoon. Northwest wind around 3 mph.
Night: Clear. Low around 42, with temperatures rising to around 44 overnight. Southwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
39°4°–45°7°
Typical high / low
61°16° / 44°7°
Wind
7 mph11 km/h, gusts 14 mph23 km/h
UV peak
4
Monday, Oct 26. Sunny. High 66°19°, low 47°8°. Typical 61°16° / 44°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°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. West wind around 6 mph.
Night: Clear. Low around 47, with temperatures rising to around 49 overnight.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–67°19°
Low, likely
40°4°–47°8°
Typical high / low
61°16° / 44°7°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
4
Tuesday, Oct 27. Sunny. High 56°13°, low 40°4°. 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, 49°9°
  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 56.
Night: Mostly clear, with a low around 40.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
56°13°–59°15°
Low, likely
40°4°–50°10°
Typical high / low
60°16° / 43°6°
Wind
12 mph19 km/h, gusts 25 mph41 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 57°14°, low 47°8°. Typical 60°16° / 43°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 57.
Night: Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–61°16°
Low, likely
41°5°–47°8°
Typical high / low
60°16° / 43°6°
Wind
7 mph12 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 63°17°, low 51°11°. Typical 60°16° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  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 63.
Night: Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–65°18°
Low, likely
46°8°–51°11°
Typical high / low
60°16° / 43°6°
Wind
10 mph16 km/h, gusts 30 mph49 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 65°18°, low 48°9°. Typical 59°15° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  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 65.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–71°22°
Low, likely
48°9°–52°11°
Typical high / low
59°15° / 42°6°
Wind
11 mph18 km/h, gusts 25 mph41 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 66°19°, low 50°10°. Typical 59°15° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  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
57°14°–72°22°
Low, likely
48°9°–53°12°
Typical high / low
59°15° / 42°6°
Wind
13 mph21 km/h, gusts 24 mph38 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 64°18°, low 53°12°. Typical 58°14° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 55°13°
  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
56°13°–68°20°
Low, likely
46°8°–57°14°
Typical high / low
58°14° / 42°6°
Wind
9 mph15 km/h, gusts 23 mph37 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 62°17°, low 55°13°. Typical 58°14° / 42°6°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 57°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
54°12°–67°19°
Low, likely
48°9°–61°16°
Typical high / low
58°14° / 42°6°
Wind
9 mph15 km/h, gusts 19 mph30 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 40°.
Tomorrow
Dry, high 64°, low 42°, warming up.
Monday
Dry, high 66°, low 47°.
Rest of week
Mostly dry, highs 56–66°.

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)

21 mi

Action stage

Level: 5.9 ft

Reading from Sat 7:30 AM · NWS gauge page

Reynolds Channel at Point Lookout (IN MLLW)

23 mi

Action stage

Level: 5.7 ft

Reading from Sat 6:48 AM · NWS gauge page

Long Island Sound near Bridgeport Harbor (IN MLLW)

24 mi

Below flood stage

Level: 5.9 ft

Forecast peak 9.1 ft Tue 12 PM

Reading from Sat 7:36 AM · NWS gauge page

Carlls River at Babylon

9.6 mi

Level: 0.5 ft
Flow: 15 cfs

Reading from Sat 7 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 27Typical 93

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 20
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 41°F).

Open the windows?

Today, 2:00 PM–4:00 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.

Last 7 days vs normal

On average 1° 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
−4°−2°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:21–6:16 PM; Morning 6:57–7:52 AM
Blue hour: 6:16–6:27 PM; Morning 6:46–6:57 AM; first light 6:46 AM

Stars tonight? Fair

Clear 8 PM–6:47 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:25 AM · rises 4:56 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from Commack. The highest point on the skyline is about 1,000 ft, 20 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.