Ramapo River at Mahwah
15 mi- Level
- 2.9 ft
Forecast peak 3.0 ft Fri 2 PM
Reading from Fri 12:30 PM · NWS gauge page
Observed 12:55 PM EDT at KHPN
Sleepy Hollow, NY weather
Sunny and 55°13°, jacket by 6 PM.
Today: low 39°4° (likely 39°4° to 45°7°), high 59°15° (likely 57°14° to 59°15°).
Now 55°13°
Sunny
- Wind
- 3 mph5 km/h
- From the northwest. 35–9 mph14 km/h through 1 AM
- Dew point
- 27°−3°
- Dry, static shocks likely
- UV index
- 4Moderate
- Moderate until 4 PM
- Air today
- 33Good
- EPA forecast · PM2.5 (fine particles)
- Pressure
- 30.35 inHg1028 hPa
- Falling slowly · −0.02 inHg−0.5 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 afternoonNear 58°14° · Clear
TonightDown to 40°4° by 5 AM · Partly cloudy
Tomorrow morningUp to 55°13° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 61°16° by 5 PM · Partly cloudy
Tomorrow nightDown to 42°6° by 4 AM · Clear
Sunday morningUp to 56°13° by 11 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 1p | Sunny | 58°14° (likely 56°13° to 58°14°) | 58°14° | 0% | 8 mph13 km/h from N, gusts 12 mph20 km/h | 37% | 1% | 4 |
| Fri 2p | Sunny | 58°14° (likely 57°14° to 59°15°) | 58°14° | 0% | 9 mph14 km/h from N, gusts 11 mph18 km/h | 36% | 4% | 4 |
| Fri 3p | Sunny | 59°15° (likely 58°14° to 59°15°) | 59°15° | 0% | 8 mph13 km/h from N, gusts 11 mph17 km/h | 34% | 0% | 3 |
| Fri 4p | Sunny | 59°15° (likely 57°14° to 59°15°) | 59°15° | 0% | 7 mph11 km/h from N, gusts 10 mph16 km/h | 36% | 1% | 2 |
| Fri 5p | Sunny | 58°14° (likely 56°13° to 58°14°) | 58°14° | 0% | 6 mph10 km/h from N, gusts 10 mph15 km/h | 37% | 0% | 1 |
| Fri 6p | Clear | 54°12° (likely 53°12° to 55°13°) | 54°12° | 0% | 5 mph8 km/h from N, gusts 9 mph14 km/h | 43% | 6% | 0 |
| Fri 7p | Clear | 52°11° (likely 50°10° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 48% | 14% | 0 |
| Fri 8p | Cloudy | 49°9° (likely 48°9° to 49°9°) | 49°9° | 0% | 3 mph5 km/h from N, gusts 6 mph10 km/h | 54% | 59% | 0 |
| Fri 9p | Cloudy | 48°9° (likely 47°8° to 48°9°) | 45°7° | 0% | 6 mph10 km/h from N, gusts 6 mph10 km/h | 56% | 59% | 0 |
| Fri 10p | Cloudy | 47°8° (likely 45°7° to 47°8°) | 44°7° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 58% | 57% | 0 |
| Fri 11p | Partly cloudy | 45°7° (likely 44°7° to 46°8°) | 42°6° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 62% | 24% | 0 |
| Sat 12a | Mostly clear | 44°7° (likely 43°6° to 45°7°) | 41°5° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 65% | 17% | 0 |
| Sat 1a | Mostly clear | 44°7° (likely 42°6° to 44°7°) | 41°5° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 62% | 30% | 0 |
| Sat 2a | Mostly clear | 44°7° (likely 41°5° to 44°7°) | 41°5° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 62% | 52% | 0 |
| Sat 3a | Mostly clear | 42°6° (likely 41°5° to 42°6°) | 38°3° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 67% | 53% | 0 |
| Sat 4a | Partly cloudy | 41°5° (likely 40°4° to 41°5°) | 37°3° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 70% | 57% | 0 |
| Sat 5a | Partly cloudy | 40°4° (likely 39°4° to 41°5°) | 36°2° | 0% | 6 mph10 km/h from N, gusts 7 mph11 km/h | 73% | 62% | 0 |
| Sat 6a | Cloudy | 39°4° (likely 39°4° to 40°4°) | 35°2° | 0% | 6 mph10 km/h from N, gusts 6 mph10 km/h | 76% | 62% | 0 |
| Sat 7a | Cloudy | 39°4° (likely 39°4° to 40°4°) | 35°2° | 0% | 6 mph10 km/h from N, gusts 6 mph10 km/h | 76% | 77% | 0 |
| Sat 8a | Cloudy | 40°4° (likely 39°4° to 40°4°) | 36°2° | 0% | 6 mph10 km/h from N, gusts 6 mph10 km/h | 73% | 79% | 0 |
| Sat 9a | Cloudy | 48°9° (likely 44°7° to 48°9°) | 46°8° | 0% | 5 mph8 km/h from N, gusts 6 mph10 km/h | 54% | 80% | 1 |
| Sat 10a | Cloudy | 52°11° (likely 48°9° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from N, gusts 5 mph9 km/h | 46% | 80% | 2 |
| Sat 11a | Cloudy | 55°13° (likely 52°11° to 55°13°) | 55°13° | 0% | 2 mph3 km/h from N, gusts 5 mph8 km/h | 41% | 78% | 3 |
| Sat 12p | Cloudy | 56°13° (likely 55°13° to 57°14°) | 56°13° | 0% | 2 mph3 km/h from NW, gusts 4 mph7 km/h | 40% | 76% | 3 |
| Sat 1p | Partly sunny | 59°15° (likely 57°14° to 59°15°) | 59°15° | 0% | 2 mph3 km/h from NW, gusts 4 mph6 km/h | 36% | 71% | 4 |
| Sat 2p | Partly sunny | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 2 mph3 km/h from NW, gusts 5 mph9 km/h | 36% | 61% | 3 |
| Sat 3p | Partly sunny | 59°15° (likely 59°15° to 62°17°) | 59°15° | 0% | 2 mph3 km/h from NW, gusts 5 mph8 km/h | 36% | 53% | 3 |
| Sat 4p | Partly sunny | 60°16° (likely 60°16° to 62°17°) | 60°16° | 0% | 1 mph2 km/h from NW, gusts 5 mph8 km/h | 35% | 41% | 2 |
| Sat 5p | Mostly sunny | 61°16° (likely 58°14° to 61°16°) | 61°16° | 0% | 1 mph2 km/h from NW, gusts 4 mph7 km/h | 33% | 21% | 1 |
| Sat 6p | Clear | 59°15° (likely 55°13° to 59°15°) | 59°15° | 0% | 1 mph2 km/h from NW, gusts 3 mph5 km/h | 37% | 34% | 0 |
| Sat 7p | Mostly clear | 56°13° (likely 52°11° to 56°13°) | 56°13° | 0% | 1 mph2 km/h from NW, gusts 4 mph6 km/h | 43% | 11% | 0 |
| Sat 8p | Clear | 54°12° (likely 48°9° to 54°12°) | 54°12° | 0% | 1 mph2 km/h from NW, gusts 5 mph9 km/h | 48% | 0% | 0 |
| Sat 9p | Clear | 50°10° (likely 46°8° to 50°10°) | 50°10° | 0% | 1 mph2 km/h from N, gusts 7 mph11 km/h | 56% | 0% | 0 |
| Sat 10p | Clear | 47°8° (likely 46°8° to 48°9°) | 47°8° | 0% | 1 mph2 km/h from NW, gusts 6 mph10 km/h | 65% | 0% | 0 |
| Sat 11p | Clear | 46°8° (likely 44°7° to 47°8°) | 46°8° | 0% | 1 mph2 km/h from NW, gusts 6 mph10 km/h | 68% | 0% | 0 |
| Sun 12a | Clear | 45°7° (likely 43°6° to 46°8°) | 45°7° | 0% | 1 mph2 km/h from NW, gusts 7 mph12 km/h | 73% | 0% | 0 |
| Sun 1a | Clear | 44°7° (likely 42°6° to 45°7°) | 44°7° | 0% | 2 mph3 km/h from NW, gusts 7 mph12 km/h | 76% | 0% | 0 |
| Sun 2a | Clear | 43°6° (likely 41°5° to 44°7°) | 43°6° | 0% | 2 mph3 km/h from NW, gusts 6 mph10 km/h | 79% | 0% | 0 |
| Sun 3a | Clear | 43°6° (likely 39°4° to 43°6°) | 43°6° | 0% | 2 mph3 km/h from NW, gusts 5 mph9 km/h | 76% | 0% | 0 |
| Sun 4a | Clear | 42°6° (likely 39°4° to 42°6°) | 40°4° | 0% | 3 mph5 km/h from NW, gusts 4 mph6 km/h | 76% | 10% | 0 |
| Sun 5a | Clear | 42°6° (likely 38°3° to 42°6°) | 40°4° | 0% | 3 mph5 km/h from NW, gusts 4 mph6 km/h | 73% | 12% | 0 |
| Sun 6a | Clear | 41°5° (likely 37°3° to 41°5°) | 39°4° | 0% | 3 mph5 km/h from NW, gusts 4 mph6 km/h | 76% | 12% | 0 |
| Sun 7a | Sunny | 41°5° (likely 37°3° to 41°5°) | 39°4° | 0% | 3 mph5 km/h from N, gusts 3 mph5 km/h | 79% | 13% | 0 |
| Sun 8a | Sunny | 42°6° (likely 37°3° to 43°6°) | 40°4° | 0% | 3 mph5 km/h from N, gusts 3 mph6 km/h | 79% | 12% | 0 |
| Sun 9a | Sunny | 46°8° (likely 41°5° to 49°9°) | 46°8° | 0% | 2 mph3 km/h from NW, gusts 4 mph6 km/h | 71% | 2% | 1 |
| Sun 10a | Sunny | 51°11° (likely 47°8° to 53°12°) | 51°11° | 0% | 2 mph3 km/h from NW, gusts 5 mph7 km/h | 59% | 0% | 2 |
| Sun 11a | Sunny | 56°13° (likely 54°12° to 57°14°) | 56°13° | 0% | 1 mph2 km/h from NW, gusts 4 mph7 km/h | 51% | 0% | 3 |
| Sun 12p | Sunny | 59°15° (likely 59°15° to 60°16°) | 59°15° | 0% | 1 mph2 km/h from NW, gusts 4 mph6 km/h | 45% | 0% | 4 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 23. Sunny. High 59°15°, low 39°4°. Typical 60°16° / 43°6°. Dry. Forecasts agree.
Afternoon
noon–6 PM
Sunny, 59°15°Dry
Evening
6 PM–midnight
Cloudy, 49°9°Dry
Overnight
midnight–6 AM
Mostly clear, 40°4°Dry
Official NWS forecast
Today: Sunny, with a high near 59. North wind 6 to 9 mph.
Tonight: Mostly clear, with a low around 39. North wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 57°14°–59°15°
- Low, likely
- 39°4°–45°7°
- Typical high / low
- 60°16° / 43°6°
- Wind
- 11 mph17 km/h, gusts 28 mph45 km/h
- UV peak
- 4
Tomorrow, Oct 24. Cloudy. High 61°16°, low 41°5°. Typical 60°16° / 43°6°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 40°4°Dry
Afternoon
noon–6 PM
Partly sunny, 61°16°Dry
Evening
6 PM–midnight
Clear, 54°12°Dry
Overnight
midnight–6 AM
Clear, 42°6°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 61. Northwest wind 1 to 6 mph.
Night: Mostly clear, with a low around 41. Northwest wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 59°15°–62°17°
- Low, likely
- 39°4°–41°5°
- Typical high / low
- 60°16° / 43°6°
- Wind
- 6 mph10 km/h
- UV peak
- 4
Sunday, Oct 25. Sunny. High 64°18°, low 43°6°. Typical 60°16° / 42°6°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 42°6°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 53°12°Dry
Overnight
midnight–6 AM
Clear, 42°6°Dry
Official NWS forecast
Day: Sunny, with a high near 64. West wind around 3 mph.
Night: Clear. Low around 43, with temperatures rising to around 45 overnight.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 63°17°–65°18°
- Low, likely
- 37°3°–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 68°20°, low 50°10°. Typical 59°15° / 42°6°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 58°14°Dry
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 68.
Night: Clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 67°19°–69°21°
- Low, likely
- 37°3°–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. Forecasts differ.
Morning
6 AM–noon
Sunny, 49°9°Dry
Afternoon
noon–6 PM
Sunny, 59°15°Dry
Evening
6 PM–midnight
Clear, 49°10°Dry
Overnight
midnight–6 AM
Mostly clear, 43°6°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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 56°13°–62°17°
- Low, likely
- 43°6°–49°9°
- Typical high / low
- 59°15° / 42°6°
- Wind
- 9 mph14 km/h, gusts 22 mph35 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 58°14°, low 47°8°. Typical 59°15° / 42°6°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 42°6°Dry
Afternoon
noon–6 PM
Cloudy, 57°14°Dry
Evening
6 PM–midnight
Partly cloudy, 51°11°Dry
Overnight
midnight–6 AM
Cloudy, 47°8°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 58.
Night: Partly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 55°13°–60°16°
- Low, likely
- 37°3°–47°8°
- Typical high / low
- 59°15° / 42°6°
- Wind
- 6 mph10 km/h, gusts 13 mph21 km/h
- UV peak
- 2
Thursday, Oct 29. Partly sunny. High 63°17°, low 50°10°. Typical 58°14° / 41°5°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 48°9°Dry
Afternoon
noon–6 PM
Sunny, 66°19°Dry
Evening
6 PM–midnight
Clear, 58°15°Dry
Overnight
midnight–6 AM
Mostly clear, 51°11°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 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–68°20°
- Low, likely
- 42°6°–51°11°
- Typical high / low
- 58°14° / 41°5°
- Wind
- 11 mph17 km/h, gusts 27 mph43 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 68°20°, low 50°10°. Typical 58°14° / 41°5°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 51°11°Dry
Afternoon
noon–6 PM
Mostly sunny, 66°19°Dry
Evening
6 PM–midnight
Mostly clear, 58°14°Dry
Overnight
midnight–6 AM
Clear, 50°10°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
- 63°17°–69°21°
- Low, likely
- 47°8°–53°12°
- Typical high / low
- 58°14° / 41°5°
- Wind
- 9 mph14 km/h, gusts 22 mph36 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 59°15°, low 47°8°. Typical 58°14° / 41°5°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 58°14°Dry
Evening
6 PM–midnight
Clear, 49°10°Dry
Overnight
midnight–6 AM
Clear, 43°6°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
- 53°12°–65°18°
- Low, likely
- 38°3°–57°14°
- Typical high / low
- 58°14° / 41°5°
- Wind
- 10 mph15 km/h, gusts 23 mph37 km/h
- UV peak
- 3
Sunday, Nov 1. Rain. High 60°16°, low 48°9°. Typical 57°14° / 40°4°. Rain 0.21 in5.3 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Sunny, 55°13°Dry
Evening
6 PM–midnight
Rain, 50°10°30% chance · 0.14 in3.5 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
- 56°13°–64°18°
- Low, likely
- 37°3°–56°13°
- Typical high / low
- 57°14° / 40°4°
- Wind
- 11 mph17 km/h, gusts 25 mph41 km/h
The outlook
Today
Dry, high 59°, low 39°.
Tomorrow
Dry, high 61°, low 41°.
Sunday
Dry, high 64°, low 43°, warming up.
Rest of week
Mostly dry, highs 58–68°.
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
Hackensack River at West Nyack
4.9 mi- Level
- 2.7 ft
Reading from Fri 12:45 PM · NWS gauge page
Hackensack River at Rivervale
9.2 mi- Level
- 1.7 ft
- Flow
- 44 cfs
Reading from Fri 12:15 PM · NWS gauge page
Pascack River at Park Ridge
9.8 mi- Level
- 2.8 ft
- Flow
- 14 cfs
Reading from Fri 1:10 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 69% less heating than a typical week.
This week 31Typical 100
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 23
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at.
Comfort
Dry air outside (dew point 27°F).
Open the windows?
Sat, 4:00 PM–5:00 PM
Good stretch to open the windows.
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 about typical for the date.
- Normal high / low
- 60°16° / 43°6°
- Forecast high / low
- 59°15° / 39°4°
- Record high
- 77°25° in 1978
- Record low
- 29°−2° in 1969
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
Sleepy Hollow weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:16 AM, sunset 6:02 PM.
- Daylight
- 10 h 47 min
- Losing 2 min 35 s a day; shortest Dec 21, 1 h 34 min less
- Golden hour
- 5:24–6:20 PM
- Morning 6:58–7:54 AM
- Blue hour
- 6:20–6:30 PM
- Morning 6:48–6:58 AM; first light 6:48 AM
Stars tonight? Fair
Mostly clear 6:30–8 PM, but the moon is 95% lit and up.
Moon
Waxing gibbous
93% lit · growing
- Today
- sets 4:18 AM · rises 4:34 PM
- Full moon
- Oct 26
- New moon
- Nov 9
