Observed 12:54 PM EDT at K12N

Mountain Lake, NJ weather

Partly cloudy and 56°13°, jacket by 6 PM.

Mostly agree

Now 56°13°

Partly sunny

Wind: Calm; Light through 2 AM
Dew point: 29°−2°; Dry, static shocks likely
UV index: 4Moderate; Moderate until 4 PM
Air quality: 27Good; Ozone · tomorrow moderate
Pressure: 30.55 inHg1035 hPa; Falling · −0.05 inHg−1.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (57°14° then, 56°13° now)

Good hours for

High 61°16° today at 4 PM
Below 50°10° tonight after 8 PM
Low 33°1° tomorrow at 6 AM
Above 50°10° tomorrow by 11 AM

This afternoonNear 59°15° · Partly cloudy
TonightDown to 34°1° by 5 AM · Clear
Tomorrow morningUp to 53°12° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 4 PM · Clear
Tomorrow nightDown to 36°2° by 5 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 2p	Partly sunny	59°15° (likely 59°15° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	39%	32%	4
Sat 3p	Mostly sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 5 mph7 km/h	36%	18%	3
Sat 4p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 5 mph7 km/h	35%	49%	2
Sat 5p	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	39%	36%	1
Sat 6p	Clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	47%	20%	0
Sat 7p	Clear	51°11° (likely 49°9° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	54%	6%	0
Sat 8p	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 4 mph6 km/h	68%	4%	0
Sat 9p	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	70%	7%	0
Sat 10p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 2 mph4 km/h	70%	6%	0
Sat 11p	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	73%	5%	0
Sun 12a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	73%	0%	0
Sun 1a	Clear	39°4° (likely 38°3° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	76%	0%	0
Sun 2a	Clear	38°3° (likely 37°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 3 mph4 km/h	79%	0%	0
Sun 3a	Clear	35°2° (likely 35°2° to 44°7°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	0%	0
Sun 4a	Clear	35°2° (likely 34°1° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	85%	0%	0
Sun 5a	Clear	34°1° (likely 33°1° to 42°6°)	34°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	0%	0
Sun 6a	Clear	33°1° (likely 32°0° to 42°6°)	33°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 7a	Sunny	33°1° (likely 31°−1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	0%	0
Sun 8a	Sunny	33°1° (likely 32°0° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	92%	0%	0
Sun 9a	Sunny	39°4° (likely 35°2° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	85%	0%	1
Sun 10a	Sunny	48°9° (likely 46°8° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph9 km/h	68%	0%	2
Sun 11a	Sunny	53°12° (likely 53°12° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	57%	0%	3
Sun 12p	Sunny	57°14° (likely 57°14° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	49%	0%	4
Sun 1p	Sunny	61°16° (likely 60°16° to 63°17°)	61°16°	0%	0 mph0 km/h, gusts 8 mph12 km/h	41%	0%	4
Sun 2p	Sunny	62°17° (likely 61°16° to 64°18°)	62°17°	0%	0 mph0 km/h, gusts 10 mph15 km/h	38%	0%	4
Sun 3p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 10 mph16 km/h	36%	0%	3
Sun 4p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	0 mph0 km/h, gusts 9 mph14 km/h	35%	0%	2
Sun 5p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 9 mph15 km/h	41%	0%	1
Sun 6p	Clear	57°14° (likely 54°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 8 mph12 km/h	51%	0%	0
Sun 7p	Clear	54°12° (likely 50°10° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 7 mph11 km/h	57%	0%	0
Sun 8p	Clear	48°9° (likely 48°9° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 6 mph10 km/h	71%	0%	0
Sun 9p	Clear	46°8° (likely 46°8° to 48°9°)	46°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	76%	0%	0
Sun 10p	Clear	44°7° (likely 44°7° to 47°8°)	44°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	79%	0%	0
Sun 11p	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	82%	0%	0
Mon 12a	Clear	41°5° (likely 40°4° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	0%	0
Mon 1a	Clear	40°4° (likely 39°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 5 mph9 km/h	85%	0%	0
Mon 2a	Clear	39°4° (likely 38°3° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	85%	0%	0
Mon 3a	Clear	38°3° (likely 37°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 5 mph9 km/h	89%	1%	0
Mon 4a	Clear	37°3° (likely 36°2° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	89%	0%	0
Mon 5a	Clear	36°2° (likely 35°2° to 41°5°)	36°2°	0%	0 mph0 km/h, gusts 6 mph9 km/h	92%	8%	0
Mon 6a	Clear	35°2° (likely 35°2° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	92%	10%	0
Mon 7a	Sunny	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	92%	17%	0
Mon 8a	Sunny	36°2° (likely 35°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	18%	0
Mon 9a	Mostly sunny	41°5° (likely 35°2° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	19%	1
Mon 10a	Sunny	47°8° (likely 41°5° to 53°12°)	47°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	83%	17%	2
Mon 11a	Sunny	54°12° (likely 48°9° to 58°14°)	54°12°	0%	0 mph0 km/h, gusts 6 mph10 km/h	71%	13%	3
Mon 12p	Sunny	59°15° (likely 55°13° to 62°17°)	59°15°	0%	0 mph0 km/h, gusts 8 mph13 km/h	62%	5%	4
Mon 1p	Sunny	63°17° (likely 59°15° to 65°18°)	63°17°	0%	0 mph0 km/h, gusts 9 mph15 km/h	54%	2%	4

Days ahead

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

Today, Oct 24. Cloudy. High 62°17°, low 33°1°. Typical 61°16° / 37°3°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. Wind around 0 mph.
Tonight: Clear, with a low around 33. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–62°17°
Low, likely
31°−1°–35°2°
Typical high / low
61°16° / 37°3°
Wind
8 mph13 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°18°, low 34°1°. Typical 61°16° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Day: Sunny, with a high near 65. Northwest wind around 0 mph.
Night: Clear, with a low around 34. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–65°18°
Low, likely
31°−1°–40°4°
Typical high / low
61°16° / 37°3°
Wind
7 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 68°20°, low 41°5°. Typical 60°16° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. Northwest wind around 0 mph.
Night: Mostly clear, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
35°2°–41°5°
Typical high / low
60°16° / 36°2°
Wind
7 mph12 km/h, gusts 16 mph26 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 61°16°, low 33°1°. Typical 60°16° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  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 33.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–61°16°
Low, likely
33°1°–44°7°
Typical high / low
60°16° / 36°2°
Wind
9 mph14 km/h, gusts 26 mph42 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 59°15°, low 39°4°. Typical 60°16° / 36°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: Partly cloudy, with a low around 39.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
57°14°–59°15°
Low, likely
31°−1°–39°4°
Typical high / low
60°16° / 36°2°
Wind
7 mph11 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 65°18°, low 45°7°. Typical 59°15° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
41°5°–45°7°
Typical high / low
59°15° / 36°2°
Wind
10 mph16 km/h, gusts 30 mph49 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 68°20°, low 43°6°. Typical 59°15° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 68.
Night: Mostly clear, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–73°23°
Low, likely
43°6°–48°9°
Typical high / low
59°15° / 35°2°
Wind
7 mph12 km/h, gusts 28 mph45 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 68°20°, low 46°8°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–71°22°
Low, likely
43°6°–50°10°
Typical high / low
58°14° / 35°2°
Wind
8 mph12 km/h, gusts 27 mph43 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 66°19°, low 51°11°. Typical 58°14° / 34°1°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 61°16°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°15°
  40% chance · 0.11 in2.7 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
61°16°–69°21°
Low, likely
50°10°–52°11°
Typical high / low
58°14° / 34°1°
Wind
8 mph13 km/h, gusts 24 mph39 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 68°20°, low 59°15°. Typical 58°14° / 34°1°. Rain 0.41 in10 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 62°17°
  30% chance · 0.2 in5.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  30% chance · 0.09 in2.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 66°19°
  30% chance · 0.07 in1.7 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
64°18°–74°23°
Low, likely
55°13°–66°19°
Typical high / low
58°14° / 34°1°
Wind
12 mph20 km/h, gusts 35 mph56 km/h

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 33°.
Tomorrow
Dry, high 65°, low 34°, warming up.
Monday
Dry, high 68°, low 41°, warming up.
Rest of week
Mostly dry, highs 59–68°.

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

Delaware River at Belvidere

5.5 mi

Below flood stage

Level: 3.9 ft
Flow: 2,750 cfs

Forecast peak 3.9 ft Sat 2 PM

Reading from Sat 12:45 PM · NWS gauge page

Delaware River at Tocks Island

12 mi

Below flood stage

Level: 5.6 ft
Flow: 2,650 cfs

Forecast peak 5.5 ft Sat 2 PM

Reading from Sat 1:15 PM · NWS gauge page

Brodhead Creek at Minisink Hills

13 mi

Below flood stage

Level: 1.0 ft
Flow: 190 cfs

Forecast peak 1.0 ft Sat 2 PM

Reading from Sat 1 PM · NWS gauge page

Pequest River at Pequest

2.1 mi

Below flood stage

Level: 1.6 ft
Flow: 79 cfs

Reading from Sat 12:15 PM · NWS gauge page

For your home

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

Heating this week

About 69% less heating than a typical week.

This week 37Typical 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 18 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 29°F).

Open the windows?

Today, 3:00 PM–4:00 PM

Good stretch to open the windows.

Is this typical?

Belvidere Bridge · 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 2°1° colder than normal (daily mean temperature).

−10°−6°SunOct 18
−5°−3°MonOct 19
+1°TueOct 20
+2°+1°WedOct 21
—ThuOct 22
+2°+1°FriOct 23
—SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 31 min less
Golden hour: 5:28–6:23 PM; Morning 7:04–7:59 AM
Blue hour: 6:23–6:34 PM; Morning 6:53–7:04 AM; first light 6:53 AM

Stars tonight? Fair

Clear 6:34 PM–6:54 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:32 AM · rises 5:03 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Mountain Lake. The highest point on the skyline is about 1,600 ft, 19 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.

Mountain 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

Delaware River at Belvidere

Delaware River at Tocks Island

Brodhead Creek at Minisink Hills

Pequest River at Pequest

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