Observed 11:55 AM EDT at KFWN

Upper Greenwood Lake, NJ weather

Sunny and 54°12°, jacket by 6 PM.

Forecasts agree

Now 54°12°

Sunny

Wind: Calm; Light through 12 AM
Dew point: 30°−1°; Dry, static shocks likely
UV index: 3Moderate; Moderate until 4 PM · peak 4

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 60°16° today at 3 PM
Below 50°10° tonight after 8 PM
Low 35°2° tomorrow at 7 AM
Above 50°10° tomorrow by 11 AM

This afternoonUp to 60°16° by 3 PM · Partly cloudy
TonightDown to 36°2° by 4 AM · Clear
Tomorrow morningUp to 52°11° by 11 AM · Clear
Tomorrow afternoonUp to 62°17° by 4 PM · Clear
Tomorrow nightDown to 39°4° by 3 AM · Clear
Monday morningUp to 54°12° 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 12p	Cloudy	53°12° (likely 51°11° to 54°12°)	53°12°	0%	2 mph3 km/h from NW, gusts 6 mph9 km/h	48%	65%	3
Sat 1p	Cloudy	56°13° (likely 54°12° to 56°13°)	56°13°	0%	2 mph3 km/h from NW, gusts 4 mph7 km/h	42%	60%	4
Sat 2p	Cloudy	59°15° (likely 56°13° to 59°15°)	59°15°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	36%	61%	4
Sat 3p	Cloudy	60°16° (likely 57°14° to 60°16°)	60°16°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	33%	57%	3
Sat 4p	Partly sunny	60°16° (likely 57°14° to 60°16°)	60°16°	0%	1 mph2 km/h from W, gusts 5 mph7 km/h	33%	30%	2
Sat 5p	Mostly sunny	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 4 mph7 km/h	39%	42%	1
Sat 6p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	45%	40%	0
Sat 7p	Clear	50°10° (likely 47°8° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	54%	21%	0
Sat 8p	Clear	48°9° (likely 44°7° to 48°9°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	56%	1%	0
Sat 9p	Clear	45°7° (likely 42°6° to 45°7°)	45°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	60%	0%	0
Sat 10p	Clear	43°6° (likely 41°5° to 45°7°)	43°6°	0%	0 mph0 km/h, gusts 6 mph10 km/h	65%	0%	0
Sat 11p	Clear	41°5° (likely 40°4° to 45°7°)	41°5°	0%	1 mph2 km/h from W, gusts 7 mph11 km/h	67%	0%	0
Sun 12a	Clear	40°4° (likely 39°4° to 44°7°)	40°4°	0%	1 mph2 km/h from W, gusts 7 mph11 km/h	73%	0%	0
Sun 1a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	1 mph2 km/h from W, gusts 8 mph12 km/h	76%	0%	0
Sun 2a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	1 mph2 km/h from W, gusts 8 mph13 km/h	79%	0%	0
Sun 3a	Clear	38°3° (likely 37°3° to 44°7°)	38°3°	0%	1 mph2 km/h from W, gusts 8 mph13 km/h	82%	0%	0
Sun 4a	Clear	36°2° (likely 36°2° to 44°7°)	36°2°	0%	1 mph2 km/h from W, gusts 8 mph13 km/h	85%	0%	0
Sun 5a	Clear	36°2° (likely 34°1° to 44°7°)	36°2°	0%	1 mph2 km/h from NW, gusts 9 mph14 km/h	85%	0%	0
Sun 6a	Clear	36°2° (likely 32°0° to 44°7°)	36°2°	0%	1 mph2 km/h from NW, gusts 9 mph14 km/h	89%	0%	0
Sun 7a	Sunny	35°2° (likely 32°0° to 43°6°)	35°2°	0%	1 mph2 km/h from NW, gusts 9 mph14 km/h	89%	0%	0
Sun 8a	Sunny	36°2° (likely 34°1° to 44°7°)	36°2°	0%	2 mph3 km/h from NW, gusts 9 mph14 km/h	89%	0%	0
Sun 9a	Sunny	41°5° (likely 40°4° to 49°9°)	41°5°	0%	2 mph3 km/h from NW, gusts 8 mph12 km/h	79%	0%	1
Sun 10a	Sunny	48°9° (likely 48°9° to 52°11°)	48°9°	0%	1 mph2 km/h from NW, gusts 8 mph12 km/h	65%	0%	2
Sun 11a	Sunny	52°11° (likely 52°11° to 56°13°)	52°11°	0%	1 mph2 km/h from NW, gusts 8 mph13 km/h	59%	0%	3
Sun 12p	Sunny	56°13° (likely 56°13° to 59°15°)	56°13°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	49%	0%	4
Sun 1p	Sunny	59°15° (likely 58°14° to 61°16°)	59°15°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	42%	0%	4
Sun 2p	Sunny	60°16° (likely 60°16° to 63°17°)	60°16°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	39%	0%	4
Sun 3p	Sunny	61°16° (likely 60°16° to 63°17°)	61°16°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	38%	0%	3
Sun 4p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	2 mph3 km/h from W, gusts 9 mph14 km/h	38%	0%	2
Sun 5p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	1 mph2 km/h from SW, gusts 9 mph14 km/h	41%	0%	1
Sun 6p	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	1 mph2 km/h from SW, gusts 8 mph12 km/h	49%	0%	0
Sun 7p	Clear	52°11° (likely 48°9° to 52°11°)	52°11°	0%	1 mph2 km/h from SW, gusts 9 mph15 km/h	56%	0%	0
Sun 8p	Clear	47°8° (likely 45°7° to 49°9°)	47°8°	0%	1 mph2 km/h from SW, gusts 12 mph19 km/h	71%	0%	0
Sun 9p	Clear	45°7° (likely 43°6° to 49°9°)	45°7°	0%	2 mph3 km/h from W, gusts 13 mph21 km/h	76%	0%	0
Sun 10p	Clear	44°7° (likely 41°5° to 49°9°)	44°7°	0%	2 mph3 km/h from W, gusts 13 mph20 km/h	79%	0%	0
Sun 11p	Clear	43°6° (likely 41°5° to 48°9°)	43°6°	0%	2 mph3 km/h from W, gusts 12 mph19 km/h	79%	0%	0
Mon 12a	Clear	42°6° (likely 39°4° to 47°8°)	42°6°	0%	2 mph3 km/h from W, gusts 12 mph19 km/h	79%	1%	0
Mon 1a	Clear	41°5° (likely 39°4° to 47°8°)	41°5°	0%	2 mph3 km/h from W, gusts 12 mph20 km/h	82%	1%	0
Mon 2a	Clear	40°4° (likely 38°3° to 46°8°)	40°4°	0%	2 mph3 km/h from W, gusts 13 mph22 km/h	85%	2%	0
Mon 3a	Clear	39°4° (likely 38°3° to 46°8°)	39°4°	0%	2 mph3 km/h from W, gusts 14 mph22 km/h	85%	4%	0
Mon 4a	Clear	39°4° (likely 38°3° to 47°8°)	39°4°	0%	3 mph5 km/h from W, gusts 14 mph22 km/h	85%	4%	0
Mon 5a	Clear	39°4° (likely 38°3° to 47°8°)	39°4°	0%	3 mph5 km/h from W, gusts 14 mph23 km/h	85%	14%	0
Mon 6a	Clear	38°3° (likely 38°3° to 46°8°)	38°3°	0%	3 mph5 km/h from W, gusts 12 mph20 km/h	89%	8%	0
Mon 7a	Sunny	37°3° (likely 37°3° to 45°7°)	37°3°	0%	3 mph5 km/h from W, gusts 11 mph18 km/h	96%	14%	0
Mon 8a	Sunny	38°3° (likely 38°3° to 46°8°)	38°3°	0%	3 mph5 km/h from W, gusts 10 mph16 km/h	92%	15%	0
Mon 9a	Sunny	43°6° (likely 41°5° to 48°9°)	43°6°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	82%	19%	1
Mon 10a	Sunny	48°9° (likely 48°9° to 55°13°)	48°9°	0%	3 mph5 km/h from NW, gusts 12 mph19 km/h	71%	9%	2
Mon 11a	Mostly sunny	54°12° (likely 52°11° to 58°14°)	54°12°	0%	3 mph5 km/h from NW, gusts 14 mph22 km/h	61%	21%	3

Days ahead

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

Today, Oct 24. Cloudy. High 60°16°, low 34°1°. Typical 60°16° / 39°4°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Today: Partly sunny, with a high near 60. Northwest wind around 2 mph.
Tonight: Areas of frost after 1am. Mostly clear. Low around 34, with temperatures rising to around 36 overnight. West wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
57°14°–60°16°
Low, likely
31°−1°–36°2°
Typical high / low
60°16° / 39°4°
Wind
7 mph11 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 62°17°, low 36°2°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny. High near 62, with temperatures falling to around 60 in the afternoon. West wind around 2 mph.
Night: Patchy frost after 2am. Clear. Low around 36, with temperatures rising to around 39 overnight. West wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–63°17°
Low, likely
32°0°–43°6°
Typical high / low
59°15° / 38°3°
Wind
8 mph13 km/h, gusts 17 mph27 km/h
UV peak
4
Monday, Oct 26. Sunny. High 65°18°, 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, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny. High near 65, with temperatures falling to around 63 in the afternoon. West wind around 5 mph.
Night: Mostly clear. Low around 41, with temperatures rising to around 43 overnight.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
36°2°–42°6°
Typical high / low
59°15° / 38°3°
Wind
10 mph16 km/h, gusts 23 mph37 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 55°13°, low 33°1°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 33°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 55.
Night: Mostly clear, with a low around 33.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
33°1°–40°4°
Typical high / low
58°14° / 38°3°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 55°13°, low 43°6°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 33°0°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 55.
Night: Partly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–56°13°
Low, likely
31°−1°–43°6°
Typical high / low
58°14° / 37°3°
Wind
7 mph11 km/h, gusts 19 mph30 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 62°17°, low 47°8°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  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, 45°7°
  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 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–64°18°
Low, likely
39°4°–47°8°
Typical high / low
58°14° / 37°3°
Wind
11 mph18 km/h, gusts 33 mph53 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 64°18°, low 44°7°. Typical 57°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  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 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–71°22°
Low, likely
42°6°–48°9°
Typical high / low
57°14° / 37°3°
Wind
11 mph18 km/h, gusts 25 mph40 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 64°18°, low 43°6°. Typical 57°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°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
54°12°–68°20°
Low, likely
38°3°–49°9°
Typical high / low
57°14° / 36°2°
Wind
11 mph17 km/h, gusts 27 mph43 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 63°17°, low 45°7°. Typical 57°14° / 36°2°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  30% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 46°8°
  30% chance · 0.01 in0.3 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
52°11°–67°19°
Low, likely
32°0°–52°11°
Typical high / low
57°14° / 36°2°
Wind
10 mph16 km/h, gusts 24 mph38 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 58°14°, low 48°9°. Typical 56°13° / 36°2°. Rain 0.1 in2.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  20% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  20% chance · 0.01 in0.3 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
47°8°–67°19°
Low, likely
32°0°–57°14°
Typical high / low
56°13° / 36°2°
Wind
9 mph15 km/h, gusts 18 mph29 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 34°.
Tomorrow
Dry, high 62°, low 36°.
Monday
Dry, high 65°, low 41°, warming up.
Rest of week
Mostly dry, highs 55–64°.

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

Wanaque River at Wanaque

11 mi

Below flood stage

Level: 1.4 ft
Flow: 18 cfs

Forecast peak 1.4 ft Sat 2 PM

Reading from Sat 11:10 AM · NWS gauge page

Pequannock River at Macopin

12 mi

Below flood stage

Level: 2.6 ft
Flow: 35 cfs

Forecast peak 2.7 ft Sun 2 AM

Reading from Sat 11:40 AM · NWS gauge page

Ramapo River at Mahwah

13 mi

Below flood stage

Level: 2.9 ft

Forecast peak 2.9 ft Sat 2 PM

Reading from Sat 11:30 AM · NWS gauge page

Wanaque River at Wanaque Reservoir elevation

11 mi

Below flood stage

Level: 291 ft

Reading from Sat 11:15 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 36Typical 119

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 27
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 14 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Today, 3:00 PM–4:00 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

Upper 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: 5:25–6:20 PM; Morning 7:02–7:57 AM
Blue hour: 6:20–6:31 PM; Morning 6:51–7:02 AM; first light 6:51 AM

Stars tonight? Fair

Clear 7 PM–6:52 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:30 AM · rises 5:00 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Upper Greenwood Lake. The highest point on the skyline is about 3,800 ft, 38 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Upper Greenwood Lake, NJ weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Wanaque River at Wanaque

Pequannock River at Macopin

Ramapo River at Mahwah

Wanaque River at Wanaque Reservoir elevation

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