Observed 7:30 PM EDT at KFWN

Greenwood Lake, NY weather

Clear and 45°7°.

Forecasts agree

Now 45°7°

Clear

Wind: Calm; Light through 7 AM
Dew point: 34°1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (48°9° then, 47°8° now)

Good hours for

Low 33°1° tonight at 5 AM
Above 50°10° tomorrow by 11 AM
High 64°18° tomorrow at 3 PM
Below 50°10° tomorrow night after 8 PM

TonightDown to 33°1° by 5 AM · Clear
Tomorrow morningUp to 54°12° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 3 PM · Clear
Tomorrow nightDown to 38°3° by 3 AM · Clear
Monday morningUp to 55°13° by 11 AM · Clear
Monday afternoonUp to 67°19° 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 7p	Mostly clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	44%	24%	0
Sat 8p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 3 mph6 km/h	58%	22%	0
Sat 9p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	60%	9%	0
Sat 10p	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 5 mph7 km/h	65%	1%	0
Sat 11p	Clear	39°4° (likely 39°4° to 46°8°)	39°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	70%	0%	0
Sun 12a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	73%	0%	0
Sun 1a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	75%	0%	0
Sun 2a	Clear	35°2° (likely 35°2° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	82%	0%	0
Sun 3a	Clear	35°2° (likely 35°2° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	82%	0%	0
Sun 4a	Clear	34°1° (likely 34°1° to 42°6°)	34°1°	0%	1 mph2 km/h from NW, gusts 8 mph12 km/h	85%	0%	0
Sun 5a	Clear	33°1° (likely 33°1° to 42°6°)	33°1°	0%	1 mph2 km/h from NW, gusts 8 mph12 km/h	89%	0%	0
Sun 6a	Clear	33°1° (likely 33°1° to 42°6°)	33°1°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	89%	0%	0
Sun 7a	Sunny	33°1° (likely 33°1° to 42°6°)	33°1°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	89%	0%	0
Sun 8a	Sunny	34°1° (likely 34°1° to 44°7°)	34°1°	0%	1 mph2 km/h from NW, gusts 7 mph12 km/h	85%	0%	0
Sun 9a	Sunny	42°6° (likely 42°6° to 50°10°)	42°6°	0%	1 mph2 km/h from NW, gusts 6 mph10 km/h	67%	0%	1
Sun 10a	Sunny	49°9° (likely 49°9° to 54°12°)	49°9°	0%	1 mph2 km/h from NW, gusts 9 mph14 km/h	56%	0%	2
Sun 11a	Sunny	54°12° (likely 54°12° to 58°14°)	54°12°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	50%	0%	3
Sun 12p	Sunny	58°14° (likely 58°14° to 61°16°)	58°14°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	44%	0%	4
Sun 1p	Sunny	61°16° (likely 61°16° to 63°17°)	61°16°	0%	1 mph2 km/h from W, gusts 8 mph12 km/h	38%	0%	4
Sun 2p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	1 mph2 km/h from W, gusts 8 mph13 km/h	34%	0%	4
Sun 3p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	1 mph2 km/h from W, gusts 9 mph15 km/h	34%	0%	3
Sun 4p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	1 mph2 km/h from SW, gusts 8 mph13 km/h	35%	0%	2
Sun 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	1 mph2 km/h from SW, gusts 7 mph12 km/h	38%	0%	1
Sun 6p	Clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	1 mph2 km/h from SW, gusts 7 mph11 km/h	45%	0%	0
Sun 7p	Clear	53°12° (likely 50°10° to 53°12°)	53°12°	0%	1 mph2 km/h from SW, gusts 8 mph13 km/h	54%	0%	0
Sun 8p	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from W, gusts 9 mph15 km/h	68%	0%	0
Sun 9p	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	1 mph2 km/h from W, gusts 10 mph16 km/h	73%	0%	0
Sun 10p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	1 mph2 km/h from W, gusts 10 mph16 km/h	79%	0%	0
Sun 11p	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	1 mph2 km/h from W, gusts 9 mph15 km/h	89%	0%	0
Mon 12a	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	1 mph2 km/h from W, gusts 9 mph15 km/h	92%	2%	0
Mon 1a	Clear	39°4° (likely 39°4° to 46°8°)	39°4°	0%	1 mph2 km/h from W, gusts 9 mph15 km/h	96%	24%	0
Mon 2a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	1 mph2 km/h from W, gusts 10 mph16 km/h	96%	31%	0
Mon 3a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	1 mph2 km/h from W, gusts 10 mph15 km/h	100%	0%	0
Mon 4a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	2 mph3 km/h from W, gusts 10 mph16 km/h	100%	0%	0
Mon 5a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	2 mph3 km/h from W, gusts 11 mph18 km/h	100%	2%	0
Mon 6a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	2 mph3 km/h from W, gusts 11 mph18 km/h	100%	14%	0
Mon 7a	Sunny	37°3° (likely 37°3° to 44°7°)	37°3°	0%	2 mph3 km/h from W, gusts 11 mph18 km/h	96%	21%	0
Mon 8a	Sunny	38°3° (likely 38°3° to 46°8°)	38°3°	0%	2 mph3 km/h from W, gusts 11 mph18 km/h	96%	23%	0
Mon 9a	Sunny	43°6° (likely 43°6° to 52°11°)	43°6°	0%	2 mph3 km/h from W, gusts 15 mph24 km/h	86%	27%	1
Mon 10a	Sunny	49°9° (likely 49°9° to 55°13°)	48°9°	0%	3 mph5 km/h from NW, gusts 17 mph27 km/h	77%	30%	2
Mon 11a	Mostly sunny	55°13° (likely 55°13° to 59°15°)	55°13°	0%	3 mph5 km/h from NW, gusts 16 mph25 km/h	69%	25%	3
Mon 12p	Mostly sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	5 mph8 km/h from NW, gusts 16 mph25 km/h	60%	16%	4
Mon 1p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	6 mph10 km/h from W, gusts 15 mph25 km/h	54%	8%	4
Mon 2p	Sunny	66°19° (likely 65°18° to 67°19°)	66°19°	0%	6 mph10 km/h from W, gusts 16 mph25 km/h	50%	35%	4
Mon 3p	Sunny	67°19° (likely 65°18° to 68°20°)	67°19°	0%	6 mph10 km/h from W, gusts 16 mph27 km/h	50%	2%	3
Mon 4p	Sunny	67°19° (likely 65°18° to 68°20°)	67°19°	0%	5 mph8 km/h from W, gusts 17 mph27 km/h	52%	0%	2
Mon 5p	Sunny	66°19° (likely 63°17° to 67°19°)	66°19°	0%	5 mph8 km/h from W, gusts 17 mph27 km/h	56%	1%	1
Mon 6p	Clear	63°17° (likely 56°13° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 12 mph20 km/h	62%	3%	0

Days ahead

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

Today, Oct 24. Cloudy. High 60°16°, low 33°1°. Typical 60°16° / 39°4°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Official NWS forecast
Tonight: Areas of frost after 1am. Clear, with a low around 33. Northwest wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–61°16°
Low, likely
33°1°–36°2°
Typical high / low
60°16° / 39°4°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 37°3°. Typical 59°15° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny, with a high near 64. West wind around 1 mph.
Night: Patchy frost after 3am. Clear, with a low around 37. West wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–65°18°
Low, likely
37°3°–42°6°
Typical high / low
59°15° / 38°3°
Wind
8 mph12 km/h, gusts 13 mph22 km/h
UV peak
4
Monday, Oct 26. Sunny. High 67°19°, low 41°5°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 67. Northwest wind 2 to 6 mph.
Night: Mostly clear. Low around 41, with temperatures rising to around 44 overnight. Northwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–68°20°
Low, likely
41°5°–44°7°
Typical high / low
59°15° / 38°3°
Wind
10 mph17 km/h, gusts 25 mph40 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 60°16°, low 33°1°. Typical 58°14° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny. High near 60, with temperatures falling to around 58 in the afternoon.
Night: Mostly clear, with a low around 33.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
54°12°–60°16°
Low, likely
33°1°–42°6°
Typical high / low
58°14° / 38°3°
Wind
10 mph16 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 58°14°, low 41°5°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  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 58.
Night: Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–59°15°
Low, likely
32°0°–41°5°
Typical high / low
58°14° / 37°3°
Wind
8 mph12 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Mostly sunny. High 66°19°, low 46°8°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  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, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
43°6°–46°8°
Typical high / low
58°14° / 37°3°
Wind
11 mph18 km/h, gusts 30 mph49 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 69°21°, low 45°7°. Typical 57°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  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 69.
Night: Mostly clear, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
45°7°–51°11°
Typical high / low
57°14° / 37°3°
Wind
10 mph17 km/h, gusts 22 mph35 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 67°19°, low 45°7°. Typical 57°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–69°21°
Low, likely
42°6°–48°9°
Typical high / low
57°14° / 36°2°
Wind
7 mph12 km/h, gusts 19 mph31 km/h
UV peak
4
Sunday, Nov 1. Drizzle. High 66°19°, low 50°10°. Typical 57°14° / 36°2°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  40% chance · 0.1 in2.6 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–70°21°
Low, likely
46°8°–55°13°
Typical high / low
57°14° / 36°2°
Wind
9 mph14 km/h, gusts 26 mph42 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 66°19°, low 57°14°. Typical 56°13° / 36°2°. Rain 0.2 in5.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.08 in2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 61°16°
  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
62°17°–72°22°
Low, likely
53°12°–64°18°
Typical high / low
56°13° / 36°2°
Wind
16 mph25 km/h, gusts 36 mph58 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 33°.
Tomorrow
Dry, high 64°, low 37°, warming up.
Monday
Dry, high 67°, low 41°, warming up.
Rest of week
Mostly dry, highs 58–69°.

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

Ramapo River at Mahwah

11 mi

Below flood stage

Level: 2.9 ft

Forecast peak 2.9 ft Sat 8 PM

Reading from Sat 6:30 PM · NWS gauge page

Wanaque River at Wanaque

12 mi

Below flood stage

Level: 1.4 ft
Flow: 18 cfs

Forecast peak 1.4 ft Sat 8 PM

Reading from Sat 7:10 PM · NWS gauge page

Pequannock River at Macopin

15 mi

Below flood stage

Level: 2.6 ft
Flow: 34 cfs

Forecast peak 2.7 ft Sun 2 AM

Reading from Sat 7:10 PM · NWS gauge page

Ramapo River at Ramapo

8.3 mi

Below flood stage

Level: 2.1 ft
Flow: 19 cfs

Reading from Sat 6:45 PM · NWS gauge page

For your home

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

Heating this week

About 71% less heating than a typical week.

This week 35Typical 119

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
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 17 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

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

Is this typical?

CHARLOTTEBURG RESERVOIR · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

−11°−6°SunOct 18
−4°−2°MonOct 19
±0°TueOct 20
+5°+3°WedOct 21
—ThuOct 22
—FriOct 23
−5°−3°SatOct 24

Greenwood Lake weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 44 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 32 min less
Golden hour: 5:24–6:20 PM; Morning 7:01–7:57 AM
Blue hour: 6:20–6:31 PM; Morning 6:50–7:01 AM; first light 6:50 AM

Stars tonight? Fair

Clear 7:53 PM–6:51 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:29 AM · rises 4:59 PM
Full moon: Oct 26
New moon: Nov 9

Looking northeast from Greenwood Lake. The highest point on the skyline is about 1,400 ft, 4 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.

Greenwood Lake, NY weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Ramapo River at Mahwah

Wanaque River at Wanaque

Pequannock River at Macopin

Ramapo River at Ramapo

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