Observed 4:56 PM EDT at KHPN

Ardsley, NY weather

Sunny and 59°15°, jacket by 7 PM.

Mostly agree

Now 59°15°

Sunny

Wind: 6 mph9 km/h; From the west-northwest. Up to 6 mph9 km/h through 5 AM
Dew point: 30°−1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 41Good; PM2.5 (fine particles) · tomorrow moderate
Pressure: 30.5 inHg1033 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 50°10° tonight after 9 PM
Low 39°4° tonight at 4 AM
Above 50°10° tomorrow by 10 AM

TonightDown to 39°4° by 4 AM · Partly cloudy
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 4 PM · Clear
Tomorrow nightDown to 43°6° by 3 AM · Clear
Monday morningUp to 59°15° by 11 AM · Clear
Monday afternoonUp to 69°21° by 3 PM · 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 5p	Cloudy	62°17° (likely 57°14° to 62°17°)	62°17°	0%	1 mph2 km/h from W, gusts 5 mph7 km/h	36%	63%	0
Sat 6p	Mostly clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	40%	60%	0
Sat 7p	Mostly clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	45%	53%	0
Sat 8p	Mostly clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	50%	27%	0
Sat 9p	Mostly clear	48°9° (likely 47°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	56%	50%	0
Sat 10p	Clear	46°8° (likely 45°7° to 49°9°)	46°8°	0%	1 mph2 km/h from NW, gusts 5 mph8 km/h	63%	28%	0
Sat 11p	Clear	44°7° (likely 44°7° to 47°8°)	44°7°	0%	1 mph2 km/h from NW, gusts 3 mph4 km/h	68%	3%	0
Sun 12a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	1 mph2 km/h from NW, gusts 4 mph6 km/h	67%	2%	0
Sun 1a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	2 mph3 km/h from NW, gusts 4 mph6 km/h	70%	0%	0
Sun 2a	Clear	41°5° (likely 38°3° to 45°7°)	41°5°	0%	2 mph3 km/h from NW, gusts 4 mph7 km/h	73%	4%	0
Sun 3a	Clear	40°4° (likely 37°3° to 44°7°)	40°4°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	76%	13%	0
Sun 4a	Clear	39°4° (likely 36°2° to 43°6°)	37°3°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	79%	12%	0
Sun 5a	Clear	39°4° (likely 36°2° to 43°6°)	37°3°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	82%	13%	0
Sun 6a	Clear	39°4° (likely 36°2° to 43°6°)	37°3°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	82%	12%	0
Sun 7a	Sunny	39°4° (likely 36°2° to 42°6°)	37°3°	0%	3 mph5 km/h from N, gusts 5 mph8 km/h	82%	13%	0
Sun 8a	Sunny	40°4° (likely 37°3° to 41°5°)	38°3°	0%	3 mph5 km/h from N, gusts 5 mph9 km/h	82%	10%	0
Sun 9a	Sunny	46°8° (likely 42°6° to 47°8°)	45°7°	0%	3 mph5 km/h from N, gusts 6 mph9 km/h	68%	0%	1
Sun 10a	Sunny	52°11° (likely 51°11° to 54°12°)	52°11°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	56%	0%	2
Sun 11a	Sunny	57°14° (likely 56°13° to 58°14°)	57°14°	0%	2 mph3 km/h from NW, gusts 4 mph7 km/h	47%	0%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 61°16°)	61°16°	0%	2 mph3 km/h from NW, gusts 5 mph9 km/h	39%	0%	4
Sun 1p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	34%	0%	4
Sun 2p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	31%	0%	4
Sun 3p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	31%	0%	3
Sun 4p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	2 mph3 km/h from W, gusts 7 mph12 km/h	30%	0%	2
Sun 5p	Sunny	65°18° (likely 60°16° to 65°18°)	65°18°	0%	2 mph3 km/h from SW, gusts 8 mph13 km/h	33%	0%	1
Sun 6p	Clear	62°17° (likely 56°13° to 62°17°)	62°17°	0%	2 mph3 km/h from SW, gusts 6 mph9 km/h	38%	0%	0
Sun 7p	Clear	58°14° (likely 53°12° to 58°14°)	58°14°	0%	2 mph3 km/h from SW, gusts 8 mph13 km/h	45%	0%	0
Sun 8p	Clear	53°12° (likely 50°10° to 53°12°)	53°12°	0%	2 mph3 km/h from SW, gusts 9 mph14 km/h	57%	0%	0
Sun 9p	Clear	51°11° (likely 48°9° to 51°11°)	51°11°	0%	2 mph3 km/h from SW, gusts 7 mph12 km/h	61%	0%	0
Sun 10p	Clear	49°9° (likely 46°8° to 50°10°)	49°9°	0%	2 mph3 km/h from SW, gusts 7 mph11 km/h	68%	0%	0
Sun 11p	Clear	48°9° (likely 45°7° to 48°9°)	48°9°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	74%	0%	0
Mon 12a	Clear	46°8° (likely 43°6° to 47°8°)	46°8°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	79%	0%	0
Mon 1a	Clear	45°7° (likely 40°4° to 46°8°)	45°7°	0%	2 mph3 km/h from W, gusts 7 mph12 km/h	82%	0%	0
Mon 2a	Clear	44°7° (likely 39°4° to 46°8°)	44°7°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	86%	16%	0
Mon 3a	Clear	43°6° (likely 38°3° to 45°7°)	43°6°	0%	2 mph3 km/h from W, gusts 7 mph11 km/h	89%	8%	0
Mon 4a	Clear	44°7° (likely 37°3° to 44°7°)	42°6°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	86%	10%	0
Mon 5a	Clear	44°7° (likely 36°2° to 44°7°)	42°6°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	86%	12%	0
Mon 6a	Clear	43°6° (likely 36°2° to 44°7°)	41°5°	0%	3 mph5 km/h from W, gusts 6 mph10 km/h	86%	25%	0
Mon 7a	Sunny	44°7° (likely 36°2° to 44°7°)	42°6°	0%	3 mph5 km/h from W, gusts 6 mph9 km/h	79%	20%	0
Mon 8a	Sunny	44°7° (likely 36°2° to 44°7°)	42°6°	0%	3 mph5 km/h from W, gusts 6 mph9 km/h	79%	17%	0
Mon 9a	Sunny	48°9° (likely 41°5° to 48°9°)	47°8°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	74%	13%	1
Mon 10a	Sunny	53°12° (likely 51°11° to 54°12°)	53°12°	0%	5 mph8 km/h from NW, gusts 10 mph17 km/h	66%	16%	2
Mon 11a	Mostly sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	60%	14%	3
Mon 12p	Sunny	63°17° (likely 60°16° to 64°18°)	63°17°	0%	5 mph8 km/h from NW, gusts 9 mph15 km/h	54%	4%	4
Mon 1p	Sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	6 mph10 km/h from W, gusts 10 mph16 km/h	48%	2%	4
Mon 2p	Sunny	68°20° (likely 64°18° to 68°20°)	68°20°	0%	6 mph10 km/h from W, gusts 10 mph17 km/h	47%	21%	4
Mon 3p	Sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	6 mph10 km/h from W, gusts 11 mph18 km/h	47%	6%	3
Mon 4p	Sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	6 mph10 km/h from W, gusts 12 mph19 km/h	49%	2%	2

Days ahead

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

Today, Oct 24. Mostly sunny. High 62°17°, low 39°4°. Typical 60°16° / 43°6°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Mostly clear, 52°11°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. West wind around 1 mph.
Tonight: Mostly clear, with a low around 39. Northwest wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
34°1°–39°4°
Typical high / low
60°16° / 43°6°
Wind
7 mph10 km/h, gusts 13 mph21 km/h
UV peak
3
Tomorrow, Oct 25. Sunny. High 66°19°, low 43°6°. Typical 60°16° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 66. Northwest wind around 3 mph.
Night: Clear, with a low around 43. Southwest wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–66°19°
Low, likely
35°2°–43°6°
Typical high / low
60°16° / 42°6°
Wind
6 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Sunny. High 69°21°, low 47°8°. Typical 59°15° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 69. West wind around 6 mph.
Night: Mostly clear. Low around 47, with temperatures rising to around 49 overnight.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
35°2°–47°8°
Typical high / low
59°15° / 42°6°
Wind
9 mph14 km/h, gusts 22 mph36 km/h
UV peak
4
Tuesday, Oct 27. Sunny. High 61°16°, low 39°4°. Typical 59°15° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 61.
Night: Mostly clear, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–61°16°
Low, likely
39°4°–47°8°
Typical high / low
59°15° / 42°6°
Wind
10 mph16 km/h, gusts 26 mph41 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 60°16°, low 44°7°. Typical 59°15° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 60.
Night: Partly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–60°16°
Low, likely
36°2°–44°7°
Typical high / low
59°15° / 42°6°
Wind
6 mph10 km/h, gusts 15 mph25 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 67°19°, low 50°10°. Typical 58°14° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
45°7°–50°10°
Typical high / low
58°14° / 41°5°
Wind
10 mph16 km/h, gusts 28 mph45 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 71°22°, low 49°9°. Typical 58°14° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  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 71.
Night: Mostly clear, with a low around 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
45°7°–52°11°
Typical high / low
58°14° / 41°5°
Wind
8 mph12 km/h, gusts 28 mph45 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 64°18°, low 47°8°. Typical 58°14° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–69°21°
Low, likely
45°7°–49°9°
Typical high / low
58°14° / 41°5°
Wind
8 mph12 km/h, gusts 28 mph45 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 64°18°, low 52°11°. Typical 57°14° / 40°4°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 58°15°
  40% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°15°
  40% chance · 0.19 in4.7 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–70°21°
Low, likely
48°9°–54°12°
Typical high / low
57°14° / 40°4°
Wind
10 mph16 km/h, gusts 21 mph34 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 66°19°, low 57°14°. Typical 57°14° / 40°4°. Rain 0.94 in24 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.4 in10 mm
2. Afternoon
  noon–6 PM
  Showers, 65°19°
  30% chance · 0.21 in5.2 mm
3. Evening
  6 PM–midnight
  Showers, 63°17°
  30% chance · 0.42 in11 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–70°21°
Low, likely
54°12°–63°17°
Typical high / low
57°14° / 40°4°
Wind
16 mph26 km/h, gusts 37 mph59 km/h

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 39°.
Tomorrow
Dry, high 66°, low 43°, warming up.
Monday
Dry, high 69°, low 47°, warming up.
Rest of week
Highs 60–71°; chance of precipitation on Monday.

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 River at Piermont (IN MLLW)

3.6 mi

Below flood stage

Level: 1.1 ft

Reading from Sat 4:30 PM · NWS gauge page

Hackensack River at Rivervale

7.9 mi

Below flood stage

Level: 1.7 ft
Flow: 41 cfs

Reading from Sat 4:15 PM · NWS gauge page

Hackensack River at West Nyack

8.6 mi

Below flood stage

Level: 2.6 ft

Reading from Sat 4:45 PM · NWS gauge page

Long Island Sound at Rye (IN MLLW)

9.4 mi

Below flood stage

Level: 0.8 ft

Reading from Sat 4:42 PM · 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 27Typical 102

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 4 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Sun, 12:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−7°−4°SunOct 18
−2°−1°MonOct 19
—TueOct 20
±0°WedOct 21
+1°ThuOct 22
−1°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 31 min less
Golden hour: 5:23–6:18 PM; Morning 6:59–7:55 AM
Blue hour: 6:18–6:29 PM; Morning 6:48–6:59 AM; first light 6:48 AM

Stars tonight? Fair

Mostly clear 11 PM–6:49 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:27 AM · rises 4:58 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Ardsley. 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.

Ardsley, NY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Hudson River at Piermont (IN MLLW)

Hackensack River at Rivervale

Hackensack River at West Nyack

Long Island Sound at Rye (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