Observed 12:54 PM EDT at K12N

Flanders, NJ weather

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

Forecasts agree

Now 56°13°

Partly sunny

Wind: Calm; Light through 1 AM
Dew point: 29°−2°; Dry, static shocks likely
UV index: 3Moderate; Moderate until 3 PM
Air quality: 39Good; PM2.5 (fine particles) · tomorrow moderate
Pressure: 30.55 inHg1035 hPa; Falling slowly · −0.04 inHg−1.5 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 60°16° today at 4 PM
Below 50°10° tonight after 8 PM
Low 36°2° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM

This afternoonUp to 60°16° by 4 PM · Mostly cloudy
TonightDown to 37°3° by 4 AM · Clear
Tomorrow morningUp to 55°13° by 11 AM · Clear
Tomorrow afternoonUp to 63°17° by 4 PM · Clear
Tomorrow nightDown to 39°4° by 4 AM · Clear
Monday morningUp to 56°13° 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 1p	Partly sunny	56°13° (likely 56°13° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	42%	73%	3
Sat 2p	Partly sunny	58°14° (likely 58°14° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	39%	70%	3
Sat 3p	Mostly sunny	59°15° (likely 58°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 4 mph7 km/h	37%	64%	2
Sat 4p	Mostly sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	35%	49%	1
Sat 5p	Mostly sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	37%	45%	0
Sat 6p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	45%	43%	0
Sat 7p	Mostly clear	51°11° (likely 48°9° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 5 mph9 km/h	50%	40%	0
Sat 8p	Mostly clear	46°8° (likely 45°7° to 48°9°)	46°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	60%	21%	0
Sat 9p	Clear	45°7° (likely 44°7° to 47°8°)	45°7°	0%	0 mph0 km/h, gusts 4 mph7 km/h	62%	2%	0
Sat 10p	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	65%	0%	0
Sat 11p	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	62%	0%	0
Sun 12a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	65%	0%	0
Sun 1a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 5 mph9 km/h	67%	0%	0
Sun 2a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 6 mph9 km/h	73%	0%	0
Sun 3a	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	76%	0%	0
Sun 4a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	79%	0%	0
Sun 5a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	79%	0%	0
Sun 6a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 7 mph11 km/h	82%	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	82%	0%	0
Sun 8a	Sunny	37°3° (likely 36°2° to 40°4°)	37°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	82%	0%	0
Sun 9a	Sunny	42°6° (likely 40°4° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	76%	0%	1
Sun 10a	Sunny	50°10° (likely 49°9° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 8 mph12 km/h	61%	0%	2
Sun 11a	Sunny	55°13° (likely 54°12° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 9 mph14 km/h	51%	0%	3
Sun 12p	Sunny	58°14° (likely 57°14° to 60°16°)	58°14°	0%	0 mph0 km/h, gusts 9 mph14 km/h	44%	0%	4
Sun 1p	Sunny	61°16° (likely 59°15° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 9 mph14 km/h	38%	0%	4
Sun 2p	Sunny	62°17° (likely 60°16° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 9 mph14 km/h	35%	0%	4
Sun 3p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 10 mph16 km/h	35%	0%	3
Sun 4p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 9 mph14 km/h	34%	0%	2
Sun 5p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 9 mph14 km/h	39%	0%	1
Sun 6p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 7 mph12 km/h	45%	0%	0
Sun 7p	Clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 7 mph11 km/h	52%	0%	0
Sun 8p	Clear	48°9° (likely 47°8° to 49°9°)	48°9°	0%	0 mph0 km/h, gusts 7 mph11 km/h	63%	0%	0
Sun 9p	Clear	46°8° (likely 45°7° to 48°9°)	46°8°	0%	0 mph0 km/h, gusts 7 mph11 km/h	68%	0%	0
Sun 10p	Clear	45°7° (likely 44°7° to 47°8°)	45°7°	0%	0 mph0 km/h, gusts 8 mph12 km/h	70%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	73%	0%	0
Mon 12a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 8 mph12 km/h	76%	0%	0
Mon 1a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	0 mph0 km/h, gusts 8 mph13 km/h	79%	0%	0
Mon 2a	Clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 8 mph12 km/h	82%	0%	0
Mon 3a	Clear	40°4° (likely 40°4° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 9 mph14 km/h	85%	0%	0
Mon 4a	Clear	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 9 mph15 km/h	85%	9%	0
Mon 5a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 10 mph17 km/h	85%	13%	0
Mon 6a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 9 mph14 km/h	92%	9%	0
Mon 7a	Sunny	37°3° (likely 37°3° to 43°6°)	34°1°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	92%	13%	0
Mon 8a	Sunny	39°4° (likely 39°4° to 44°7°)	37°3°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	92%	15%	0
Mon 9a	Sunny	44°7° (likely 43°6° to 47°8°)	42°6°	0%	5 mph8 km/h from W, gusts 4 mph7 km/h	82%	13%	1
Mon 10a	Sunny	50°10° (likely 49°9° to 53°12°)	49°9°	0%	5 mph8 km/h from NW, gusts 7 mph12 km/h	71%	6%	2
Mon 11a	Sunny	56°13° (likely 54°12° to 58°14°)	56°13°	0%	5 mph8 km/h from NW, gusts 10 mph16 km/h	62%	3%	3
Mon 12p	Sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	5 mph8 km/h from NW, gusts 11 mph17 km/h	55%	8%	4

Days ahead

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

Today, Oct 24. Cloudy. High 61°16°, low 36°2°. Typical 60°16° / 39°4°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 60°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. West wind around 0 mph.
Tonight: Areas of frost after 10pm. Clear, with a low around 36. Northwest wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–61°16°
Low, likely
34°1°–37°3°
Typical high / low
60°16° / 39°4°
Wind
7 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 37°3°. Typical 60°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny, with a high near 64. West wind around 0 mph.
Night: Clear, with a low around 37. West wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
36°2°–40°4°
Typical high / low
60°16° / 38°3°
Wind
9 mph14 km/h
UV peak
4
Monday, Oct 26. Sunny. High 67°19°, low 43°6°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  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 67. West wind 0 to 5 mph.
Night: Mostly clear, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
39°4°–43°6°
Typical high / low
59°15° / 38°3°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
4
Tuesday, Oct 27. Sunny. High 58°14°, low 36°2°. Typical 59°15° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 58.
Night: Mostly clear, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–59°15°
Low, likely
36°2°–44°7°
Typical high / low
59°15° / 38°3°
Wind
10 mph17 km/h, gusts 29 mph47 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 57°14°, low 41°5°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 57.
Night: Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–57°14°
Low, likely
33°1°–41°5°
Typical high / low
58°14° / 38°3°
Wind
7 mph11 km/h, gusts 18 mph28 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 64°18°, low 46°8°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  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 64.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–64°18°
Low, likely
41°5°–46°8°
Typical high / low
58°14° / 37°3°
Wind
9 mph14 km/h, gusts 32 mph51 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 66°19°, low 45°7°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  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 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–72°22°
Low, likely
43°6°–50°10°
Typical high / low
58°14° / 37°3°
Wind
8 mph13 km/h, gusts 28 mph46 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 67°19°, low 47°8°. Typical 57°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–69°21°
Low, likely
43°6°–51°11°
Typical high / low
57°14° / 37°3°
Wind
6 mph10 km/h, gusts 27 mph43 km/h
UV peak
4
Sunday, Nov 1. Drizzle. High 65°18°, low 51°11°. Typical 57°14° / 36°2°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°14°
  30% chance · 0.13 in3.3 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
59°15°–68°20°
Low, likely
49°9°–53°12°
Typical high / low
57°14° / 36°2°
Wind
8 mph13 km/h, gusts 25 mph40 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 67°19°, low 57°14°. Typical 57°14° / 36°2°. Rain 0.44 in11 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  30% chance · 0.18 in4.6 mm
2. Afternoon
  noon–6 PM
  Showers, 66°19°
  20% chance · 0.09 in2.4 mm
3. Evening
  6 PM–midnight
  Showers, 64°18°
  20% chance · 0.1 in2.5 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
62°17°–71°22°
Low, likely
53°12°–63°17°
Typical high / low
57°14° / 36°2°
Wind
13 mph20 km/h, gusts 34 mph55 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 36°.
Tomorrow
Dry, high 64°, low 37°, warming up.
Monday
Dry, high 67°, low 43°, warming up.
Rest of week
Mostly dry, highs 57–67°.

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

Lake Hopatcong at Landing

5.7 mi

Level: 9.1 ft

Reading from Sat 1 PM · NWS gauge page

Lamington (Black) River at Pottersville

8.1 mi

Below flood stage

Level: 1.7 ft
Flow: 22 cfs

Reading from Sat 1:15 PM · NWS gauge page

Rockaway River at Dover

8.4 mi

Level: 1.8 ft
Flow: 60 cfs

Reading from Sat 1 PM · NWS gauge page

North Branch Raritan River near Far Hills

10 mi

Below flood stage

Level: 2.0 ft
Flow: 16 cfs

Reading from Sat 12:45 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 34Typical 117

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 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 29°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Aeroflex-Andover Airport · official normals 1991–2020 · records 1998–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Flanders weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:27–6:22 PM; Morning 7:03–7:58 AM
Blue hour: 6:22–6:33 PM; Morning 6:52–7:03 AM; first light 6:52 AM

Stars tonight? Fair

Clear 8 PM–6:53 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:31 AM · rises 5:01 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Flanders. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.