Observed 4:00 PM EDT at KCDW

Cedar Knolls, NJ weather

Sunny and 63°17°, jacket by 7 PM.

Forecasts agree

Now 63°17°

Sunny

Wind: 3 mph5 km/h; From the south-southwest. Light through 4 AM
Dew point: 30°−1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 34Good; Ozone · tomorrow moderate
Pressure: 30.51 inHg1033 hPa; Falling slowly · −0.04 inHg−1.3 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 50°10° tonight after 8 PM
Low 36°2° tonight at 5 AM
Above 50°10° tomorrow by 10 AM

This afternoonNear 62°17° · Partly cloudy
TonightDown to 36°2° by 5 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 3 PM · Clear
Tomorrow nightDown to 40°4° by 5 AM · Clear
Monday morningUp to 60°16° 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 4p	Partly sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 4 mph6 km/h	32%	48%	1
Sat 5p	Mostly sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 5 mph7 km/h	35%	43%	0
Sat 6p	Mostly clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	42%	23%	0
Sat 7p	Mostly clear	53°12° (likely 50°10° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 5 mph9 km/h	48%	16%	0
Sat 8p	Clear	47°8° (likely 47°8° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	60%	9%	0
Sat 9p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 5 mph9 km/h	65%	3%	0
Sat 10p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	67%	1%	0
Sat 11p	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 5 mph7 km/h	67%	0%	0
Sun 12a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	76%	0%	0
Sun 1a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	76%	0%	0
Sun 2a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	76%	0%	0
Sun 3a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	0%	0
Sun 4a	Clear	37°3° (likely 37°3° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	0%	0
Sun 5a	Clear	36°2° (likely 36°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	85%	0%	0
Sun 6a	Clear	36°2° (likely 36°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 6 mph9 km/h	85%	0%	0
Sun 7a	Sunny	36°2° (likely 36°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	89%	0%	0
Sun 8a	Sunny	36°2° (likely 36°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 7 mph12 km/h	89%	0%	0
Sun 9a	Sunny	45°7° (likely 43°6° to 46°8°)	45°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	65%	0%	1
Sun 10a	Sunny	53°12° (likely 53°12° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 7 mph12 km/h	52%	0%	2
Sun 11a	Sunny	59°15° (likely 58°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 7 mph11 km/h	42%	0%	3
Sun 12p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 7 mph12 km/h	36%	0%	4
Sun 1p	Sunny	64°18° (likely 63°17° to 64°18°)	64°18°	0%	0 mph0 km/h, gusts 7 mph12 km/h	34%	0%	4
Sun 2p	Sunny	65°18° (likely 64°18° to 65°18°)	65°18°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	31%	0%	4
Sun 3p	Sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	32%	0%	3
Sun 4p	Sunny	65°18° (likely 64°18° to 65°18°)	65°18°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	34%	0%	2
Sun 5p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	37%	0%	1
Sun 6p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	5 mph8 km/h from SW, gusts 8 mph12 km/h	45%	0%	0
Sun 7p	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	53%	0%	0
Sun 8p	Clear	50°10° (likely 48°9° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 7 mph11 km/h	63%	0%	0
Sun 9p	Clear	48°9° (likely 47°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 7 mph12 km/h	68%	0%	0
Sun 10p	Clear	47°8° (likely 45°7° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 7 mph12 km/h	74%	0%	0
Sun 11p	Clear	44°7° (likely 43°6° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 8 mph13 km/h	79%	0%	0
Mon 12a	Clear	43°6° (likely 42°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	86%	0%	0
Mon 1a	Clear	43°6° (likely 42°6° to 46°8°)	43°6°	0%	0 mph0 km/h, gusts 7 mph12 km/h	89%	0%	0
Mon 2a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	0 mph0 km/h, gusts 8 mph12 km/h	93%	4%	0
Mon 3a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 7 mph12 km/h	93%	0%	0
Mon 4a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	3%	0
Mon 5a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 7 mph10 km/h	96%	5%	0
Mon 6a	Clear	40°4° (likely 40°4° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	96%	15%	0
Mon 7a	Sunny	40°4° (likely 40°4° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 5 mph9 km/h	96%	15%	0
Mon 8a	Sunny	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	14%	0
Mon 9a	Sunny	48°9° (likely 45°7° to 49°9°)	48°9°	0%	0 mph0 km/h, gusts 4 mph7 km/h	77%	14%	1
Mon 10a	Sunny	55°13° (likely 54°12° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 12 mph20 km/h	61%	8%	2
Mon 11a	Sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	5 mph8 km/h from W, gusts 13 mph20 km/h	55%	5%	3
Mon 12p	Sunny	64°18° (likely 63°17° to 65°18°)	64°18°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	48%	9%	4
Mon 1p	Sunny	66°19° (likely 66°19° to 67°19°)	66°19°	0%	5 mph8 km/h from NW, gusts 11 mph18 km/h	43%	2%	4
Mon 2p	Sunny	68°20° (likely 67°19° to 68°20°)	68°20°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	42%	1%	4
Mon 3p	Sunny	69°21° (likely 68°20° to 70°21°)	69°21°	0%	5 mph8 km/h from NW, gusts 13 mph21 km/h	40%	2%	3

Days ahead

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

Today, Oct 24. Cloudy. High 64°18°, low 36°2°. Typical 61°16° / 40°4°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 63°17°
  Dry
2. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 64. Southwest wind around 0 mph.
Tonight: Mostly clear, with a low around 36. West wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–64°18°
Low, likely
35°2°–38°3°
Typical high / low
61°16° / 40°4°
Wind
6 mph10 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 67°19°, low 40°4°. Typical 61°16° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Sunny, with a high near 67. West wind 0 to 5 mph.
Night: Clear, with a low around 40. West wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–67°19°
Low, likely
37°3°–40°4°
Typical high / low
61°16° / 39°4°
Wind
7 mph11 km/h
UV peak
4
Monday, Oct 26. Sunny. High 69°21°, low 44°7°. Typical 60°16° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 69. West wind 0 to 5 mph.
Night: Mostly clear, with a low around 44.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–69°21°
Low, likely
39°4°–44°7°
Typical high / low
60°16° / 39°4°
Wind
8 mph13 km/h, gusts 20 mph32 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 61°16°, low 38°3°. Typical 60°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°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 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–61°16°
Low, likely
38°3°–47°8°
Typical high / low
60°16° / 39°4°
Wind
10 mph15 km/h, gusts 27 mph44 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 61°16°, low 43°6°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 61.
Night: Partly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
37°3°–43°6°
Typical high / low
60°16° / 38°3°
Wind
7 mph11 km/h, gusts 17 mph28 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 68°20°, low 48°9°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  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, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–68°20°
Low, likely
43°6°–48°9°
Typical high / low
59°15° / 38°3°
Wind
9 mph14 km/h, gusts 33 mph53 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 72°22°, low 48°9°. Typical 59°15° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72.
Night: Mostly clear, with a low around 48.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
46°8°–51°11°
Typical high / low
59°15° / 38°3°
Wind
8 mph12 km/h, gusts 25 mph41 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 68°20°, low 49°9°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–71°22°
Low, likely
45°7°–52°11°
Typical high / low
59°15° / 38°3°
Wind
7 mph10 km/h, gusts 29 mph46 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 68°20°, low 53°12°. Typical 58°14° / 37°3°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 61°16°
  40% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  40% chance · 0.15 in3.8 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°–72°22°
Low, likely
52°11°–54°12°
Typical high / low
58°14° / 37°3°
Wind
9 mph14 km/h, gusts 25 mph41 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 69°21°, low 59°15°. Typical 58°14° / 37°3°. Rain 0.67 in17 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  30% chance · 0.27 in7 mm
2. Afternoon
  noon–6 PM
  Showers, 69°21°
  30% chance · 0.15 in3.9 mm
3. Evening
  6 PM–midnight
  Showers, 66°19°
  20% chance · 0.25 in6.3 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
64°18°–76°24°
Low, likely
55°13°–65°18°
Typical high / low
58°14° / 37°3°
Wind
14 mph23 km/h, gusts 36 mph58 km/h

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 36°.
Tomorrow
Dry, high 67°, low 40°, warming up.
Monday
Dry, high 69°, low 44°.
Rest of week
Mostly dry, highs 61–72°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PHI) (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

Rockaway River at Boonton

6.1 mi

Action stage

Level: 305 ft

Reading from Sat 3 PM · NWS gauge page

Rockaway River at Boonton below reservoir

6.2 mi

Below flood stage

Level: 1.8 ft
Flow: 19 cfs

Forecast peak 1.8 ft Sat 8 PM

Reading from Sat 3 PM · NWS gauge page

Rockaway River at Boonton above reservoir

6.4 mi

Below flood stage

Level: 1.0 ft
Flow: 84 cfs

Forecast peak 1.0 ft Sat 8 PM

Reading from Sat 2:30 PM · NWS gauge page

Passaic River at Chatham

7.3 mi

Below flood stage

Level: 3.6 ft
Flow: 57 cfs

Forecast peak 3.6 ft Sat 8 PM

Reading from Sat 2:15 PM · NWS gauge page

For your home

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

Heating this week

About 72% less heating than a typical week.

This week 31Typical 110

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 25
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 13 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–5:00 PM

Good stretch to open the windows.

Is this typical?

Boonton 1 SE · official normals 1991–2020 · records 1892–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

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

−11°−6°SunOct 18
−6°−3°MonOct 19
−1°TueOct 20
+7°+4°WedOct 21
+2°+1°ThuOct 22
+3°+2°FriOct 23
−4°−2°SatOct 24

Cedar Knolls 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 30 min less
Golden hour: 5:26–6:21 PM; Morning 7:01–7:57 AM
Blue hour: 6:21–6:32 PM; Morning 6:51–7:01 AM; first light 6:51 AM

Stars tonight? Fair

Clear 6:32 PM–6:52 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

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

Looking northwest from Cedar Knolls. The highest point on the skyline is about 1,200 ft, 12 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Cedar Knolls, NJ weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Rockaway River at Boonton

Rockaway River at Boonton below reservoir

Rockaway River at Boonton above reservoir

Passaic River at Chatham

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