Observed 4:54 PM EDT at K12N

Byram Center, NJ weather

Mostly sunny and 61°16°.

Forecasts agree

Now 61°16°

Mostly sunny

Wind: 3 mph5 km/h; From the southwest. Light through 6 AM
Dew point: 24°−4°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 32Good; Ozone · tomorrow moderate
Pressure: 30.51 inHg1033 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° warmer than this time yesterday (57°14° then, 61°16° now)

Good hours for

Low 32°0° tomorrow at 7 AM
Above 50°10° tomorrow by 11 AM
High 63°17° tomorrow at 2 PM
Below 50°10° tomorrow night after 8 PM

TonightDown to 33°1° by 5 AM · Clear
Tomorrow morningUp to 55°13° by 11 AM · freezing, low 32°0° · Clear
Tomorrow afternoonUp to 63°17° by 2 PM · Clear
Tomorrow nightDown to 37°3° by 4 AM · Clear
Monday morningUp to 56°13° by 11 AM · Clear
Monday afternoonUp to 66°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 6p	Mostly clear	55°13° (likely 52°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	41%	53%	0
Sat 7p	Mostly clear	50°10° (likely 49°9° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	48%	53%	0
Sat 8p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	58%	35%	0
Sat 9p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	62%	45%	0
Sat 10p	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	70%	31%	0
Sat 11p	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	76%	15%	0
Sun 12a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	79%	0%	0
Sun 1a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	82%	0%	0
Sun 2a	Clear	35°2° (likely 35°2° to 41°5°)	35°2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	85%	0%	0
Sun 3a	Clear	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	0%	0
Sun 4a	Clear	34°1° (likely 34°1° to 40°4°)	34°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	1%	0
Sun 5a	Clear	33°1° (likely 33°1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	2%	0
Sun 6a	Clear	33°1° (likely 33°1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 3 mph4 km/h	92%	2%	0
Sun 7a	Sunny	32°0° (likely 32°0° to 39°4°)	32°0°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	3%	0
Sun 8a	Sunny	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	3%	0
Sun 9a	Sunny	41°5° (likely 38°3° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	76%	3%	1
Sun 10a	Sunny	49°9° (likely 47°8° to 52°11°)	49°9°	0%	0 mph0 km/h, gusts 5 mph9 km/h	61%	1%	2
Sun 11a	Sunny	55°13° (likely 53°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	49%	0%	3
Sun 12p	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	0 mph0 km/h, gusts 8 mph13 km/h	42%	0%	4
Sun 1p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 9 mph14 km/h	38%	0%	4
Sun 2p	Sunny	63°17° (likely 62°17° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	34%	0%	4
Sun 3p	Sunny	63°17° (likely 62°17° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	34%	0%	3
Sun 4p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	35%	0%	2
Sun 5p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	41%	0%	1
Sun 6p	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	5 mph8 km/h from SW, gusts 7 mph11 km/h	49%	0%	0
Sun 7p	Clear	52°11° (likely 50°10° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 8 mph12 km/h	56%	0%	0
Sun 8p	Clear	47°8° (likely 47°8° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 8 mph13 km/h	68%	0%	0
Sun 9p	Clear	45°7° (likely 45°7° to 47°8°)	45°7°	0%	0 mph0 km/h, gusts 7 mph12 km/h	73%	0%	0
Sun 10p	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	82%	0%	0
Sun 11p	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 6 mph9 km/h	92%	0%	0
Mon 12a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 6 mph9 km/h	96%	0%	0
Mon 1a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	17%	0
Mon 2a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	8%	0
Mon 3a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	1%	0
Mon 4a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	0%	0
Mon 5a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 7 mph12 km/h	100%	1%	0
Mon 6a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	3%	0
Mon 7a	Mostly sunny	36°2° (likely 36°2° to 41°5°)	36°2°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	11%	0
Mon 8a	Mostly sunny	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	18%	0
Mon 9a	Mostly sunny	44°7° (likely 41°5° to 46°8°)	44°7°	0%	0 mph0 km/h, gusts 5 mph9 km/h	82%	15%	1
Mon 10a	Mostly sunny	51°11° (likely 49°9° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 9 mph14 km/h	68%	15%	2
Mon 11a	Mostly sunny	56°13° (likely 55°13° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 11 mph18 km/h	62%	14%	3
Mon 12p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 12 mph19 km/h	53%	7%	4
Mon 1p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	50%	5%	4
Mon 2p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	5 mph8 km/h from NW, gusts 12 mph19 km/h	48%	4%	4
Mon 3p	Sunny	66°19° (likely 65°18° to 67°19°)	66°19°	0%	5 mph8 km/h from NW, gusts 13 mph21 km/h	47%	9%	3
Mon 4p	Sunny	66°19° (likely 65°18° to 68°20°)	66°19°	0%	5 mph8 km/h from W, gusts 14 mph22 km/h	48%	0%	2
Mon 5p	Sunny	65°18° (likely 62°17° to 67°19°)	65°18°	0%	0 mph0 km/h, gusts 13 mph22 km/h	50%	0%	1

Days ahead

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

Today, Oct 24. Cloudy. High 60°16°, low 32°0°. 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: Clear, with a low around 32. Southwest wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–60°16°
Low, likely
27°−3°–34°1°
Typical high / low
60°16° / 39°4°
Wind
5 mph8 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 36°2°. Typical 60°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Day: Sunny, with a high near 64. West wind 0 to 5 mph.
Night: Clear, with a low around 36. Southwest wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–64°18°
Low, likely
35°2°–39°4°
Typical high / low
60°16° / 38°3°
Wind
7 mph11 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 66°19°, low 41°5°. Typical 59°15° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 66. Northwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 41. Northwest wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–68°20°
Low, likely
37°3°–41°5°
Typical high / low
59°15° / 38°3°
Wind
8 mph14 km/h, gusts 16 mph26 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 59°15°, low 33°1°. Typical 59°15° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°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 59.
Night: Mostly clear, with a low around 33.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
57°14°–59°15°
Low, likely
33°1°–42°6°
Typical high / low
59°15° / 38°3°
Wind
9 mph14 km/h, gusts 28 mph45 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 59°15°, low 41°5°. Typical 58°14° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  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 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–59°15°
Low, likely
32°0°–41°5°
Typical high / low
58°14° / 38°3°
Wind
7 mph10 km/h, gusts 18 mph28 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 66°19°, low 46°8°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly 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
61°16°–66°19°
Low, likely
42°6°–46°8°
Typical high / low
58°14° / 37°3°
Wind
11 mph18 km/h, gusts 31 mph50 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 70°21°, low 45°7°. Typical 58°14° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
44°7°–50°10°
Typical high / low
58°14° / 37°3°
Wind
9 mph14 km/h, gusts 27 mph44 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 67°19°, low 45°7°. Typical 57°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  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
59°15°–68°20°
Low, likely
41°5°–49°9°
Typical high / low
57°14° / 37°3°
Wind
7 mph11 km/h, gusts 25 mph41 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 64°18°, low 49°9°. Typical 57°14° / 36°2°. Rain 0.02 in0.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 63°17°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 58°14°
  40% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  40% chance · 0.17 in4.2 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
60°16°–68°20°
Low, likely
44°7°–53°12°
Typical high / low
57°14° / 36°2°
Wind
9 mph14 km/h, gusts 23 mph36 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 67°19°, low 56°13°. Typical 57°14° / 36°2°. Rain 0.48 in12 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°15°
  40% chance · 0.2 in5.2 mm
2. Afternoon
  noon–6 PM
  Showers, 66°19°
  30% chance · 0.1 in2.5 mm
3. Evening
  6 PM–midnight
  Showers, 64°18°
  30% chance · 0.08 in2.1 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
63°17°–72°22°
Low, likely
53°12°–64°18°
Typical high / low
57°14° / 36°2°
Wind
13 mph22 km/h, gusts 36 mph58 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 32°.
Tomorrow
Dry, high 64°, low 36°, warming up.
Monday
Dry, high 66°, low 41°.
Rest of week
Mostly dry, highs 59–70°.

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 above reservoir

15 mi

Below flood stage

Level: 1.0 ft
Flow: 84 cfs

Forecast peak 1.0 ft Sat 8 PM

Reading from Sat 4:30 PM · NWS gauge page

Lake Hopatcong at Landing

2.7 mi

Level: 9.1 ft

Reading from Sat 4:30 PM · NWS gauge page

Pequest River at Huntsville

4.7 mi

Below flood stage

Level: 2.6 ft
Flow: 27 cfs

Reading from Sat 4:15 PM · NWS gauge page

Green Pond Brook below Picatinny Lake

8.2 mi

Level: 2.4 ft
Flow: 368 cfs

Reading from Sat 4:30 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 36Typical 117

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 24°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

Byram Center 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 31 min less
Golden hour: 5:26–6:22 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

Mostly clear 11 PM–6:53 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

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

Looking west from Byram Center. The highest point on the skyline is about 4,800 ft, 19 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Byram Center, 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 above reservoir

Lake Hopatcong at Landing

Pequest River at Huntsville

Green Pond Brook below Picatinny Lake

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