Freeze Warning
Starts in 4 h 11 min
When
From 10 PM this evening to 9 AM EDT Sunday.
Where
Mercer, Western Monmouth, Middlesex, Atlantic, Cumberland, Northwestern Burlington, Ocean, and Southeastern Burlington Counties.
Issued for this forecast zone · National Weather Service Mount Holly NJ
What, impacts and precautionsHide details
What
Sub-freezing temperatures as low as 30 degrees and widespread frost expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Middlesex; Western Monmouth; Mercer; Northwestern Burlington; Ocean; Cumberland; Atlantic; Southeastern Burlington
See it on weather.gov (opens in a new tab)

Observed 5:25 PM EDT at KSMQ

Middlesex, NJ weather

Freeze Warning. 57°14° and sunny now.

Forecasts agree

Now 57°14°

Sunny

Wind: Calm; Light through 5 AM
Dew point: 37°3°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 32Good; Ozone · tomorrow moderate
Pressure: 30.49 inHg1033 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (61°16° then, 61°16° now)

Good hours for

Below 50°10° tonight after 8 PM
Low 33°1° tomorrow at 7 AM
Above 50°10° tomorrow by 10 AM
High 66°19° tomorrow at 2 PM

TonightDown to 35°2° by 4 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 2 PM · Clear
Tomorrow nightDown to 39°4° by 4 AM · Clear
Monday morningUp to 59°15° 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 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 4 mph6 km/h	35%	18%	0
Sat 6p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 4 mph6 km/h	40%	19%	0
Sat 7p	Clear	54°12° (likely 52°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	50%	61%	0
Sat 8p	Clear	49°9° (likely 48°9° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 3 mph6 km/h	61%	35%	0
Sat 9p	Clear	47°8° (likely 46°8° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 2 mph4 km/h	65%	8%	0
Sat 10p	Clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	70%	1%	0
Sat 11p	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	76%	1%	0
Sun 12a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	1%	0
Sun 1a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 6 mph9 km/h	82%	0%	0
Sun 2a	Clear	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	89%	0%	0
Sun 3a	Clear	36°2° (likely 36°2° to 46°8°)	36°2°	0%	0 mph0 km/h, gusts 5 mph9 km/h	89%	0%	0
Sun 4a	Clear	35°2° (likely 35°2° to 46°8°)	35°2°	0%	0 mph0 km/h, gusts 6 mph9 km/h	89%	0%	0
Sun 5a	Clear	35°2° (likely 35°2° to 46°8°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	0%	0
Sun 6a	Clear	34°1° (likely 34°1° to 45°7°)	34°1°	0%	0 mph0 km/h, gusts 5 mph9 km/h	92%	0%	0
Sun 7a	Sunny	33°1° (likely 33°1° to 44°7°)	33°1°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Sun 8a	Sunny	35°2° (likely 35°2° to 45°7°)	35°2°	0%	0 mph0 km/h, gusts 5 mph8 km/h	92%	0%	0
Sun 9a	Sunny	43°6° (likely 40°4° to 49°9°)	43°6°	0%	0 mph0 km/h, gusts 4 mph7 km/h	73%	0%	1
Sun 10a	Sunny	52°11° (likely 51°11° to 57°14°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	59%	0%	2
Sun 11a	Sunny	59°15° (likely 57°14° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 6 mph9 km/h	45%	0%	3
Sun 12p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 7 mph11 km/h	38%	0%	4
Sun 1p	Sunny	64°18° (likely 63°17° to 64°18°)	64°18°	0%	0 mph0 km/h, gusts 8 mph14 km/h	35%	0%	4
Sun 2p	Sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	33%	0%	4
Sun 3p	Sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 8 mph12 km/h	33%	0%	3
Sun 4p	Sunny	66°19° (likely 65°18° to 66°19°)	66°19°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	34%	0%	2
Sun 5p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	5 mph8 km/h from SW, gusts 9 mph14 km/h	37%	0%	1
Sun 6p	Clear	61°16° (likely 57°14° to 61°16°)	61°16°	0%	5 mph8 km/h from SW, gusts 6 mph10 km/h	44%	0%	0
Sun 7p	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	55%	0%	0
Sun 8p	Clear	51°11° (likely 50°10° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 7 mph11 km/h	66%	0%	0
Sun 9p	Clear	48°9° (likely 48°9° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 6 mph10 km/h	74%	0%	0
Sun 10p	Clear	46°8° (likely 46°8° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	79%	0%	0
Sun 11p	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	82%	0%	0
Mon 12a	Clear	42°6° (likely 42°6° to 48°9°)	42°6°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	0%	0
Mon 1a	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 8 mph12 km/h	96%	0%	0
Mon 2a	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 7 mph12 km/h	96%	1%	0
Mon 3a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	0%	0
Mon 4a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	0%	0
Mon 5a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	0%	0
Mon 6a	Clear	39°4° (likely 38°3° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	1%	0
Mon 7a	Sunny	38°3° (likely 38°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	1%	0
Mon 8a	Sunny	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	7%	0
Mon 9a	Sunny	46°8° (likely 45°7° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 7 mph11 km/h	83%	9%	1
Mon 10a	Sunny	53°12° (likely 52°11° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 12 mph19 km/h	69%	6%	2
Mon 11a	Sunny	59°15° (likely 58°14° to 60°16°)	59°15°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	60%	12%	3
Mon 12p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	52%	10%	4
Mon 1p	Sunny	66°19° (likely 65°18° to 67°19°)	66°19°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	47%	1%	4
Mon 2p	Sunny	68°20° (likely 67°19° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	44%	1%	4
Mon 3p	Sunny	69°21° (likely 68°20° to 69°21°)	69°21°	0%	5 mph8 km/h from W, gusts 13 mph20 km/h	44%	2%	3
Mon 4p	Sunny	69°21° (likely 68°20° to 69°21°)	69°21°	0%	5 mph8 km/h from W, gusts 14 mph22 km/h	45%	2%	2

Days ahead

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

Today, Oct 24. Cloudy. High 65°18°, low 33°1°. Typical 63°17° / 41°5°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 65. Southwest wind around 0 mph.
Tonight: Widespread frost after 10pm. Clear, with a low around 33. Southwest wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–65°18°
Low, likely
32°0°–39°4°
Typical high / low
63°17° / 41°5°
Wind
6 mph10 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 67°19°, low 38°3°. Typical 63°17° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Day: Widespread frost before 9am. Sunny, with a high near 67. West wind 0 to 5 mph.
Night: Patchy frost after 11pm. Clear, with a low around 38. West wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–67°19°
Low, likely
35°2°–44°7°
Typical high / low
63°17° / 41°5°
Wind
7 mph11 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 45°7°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 39°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, 51°10°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 69. West wind 0 to 5 mph.
Night: Mostly clear, with a low around 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–69°21°
Low, likely
38°3°–45°7°
Typical high / low
63°17° / 40°4°
Wind
7 mph11 km/h, gusts 17 mph28 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 63°17°, low 39°4°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 63.
Night: Mostly clear, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–63°17°
Low, likely
39°4°–50°10°
Typical high / low
62°17° / 40°4°
Wind
8 mph14 km/h, gusts 25 mph40 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 63°17°, low 43°6°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Partly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–63°17°
Low, likely
38°3°–43°6°
Typical high / low
62°17° / 40°4°
Wind
7 mph11 km/h, gusts 12 mph20 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 48°9°. Typical 62°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  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 70.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
43°6°–48°9°
Typical high / low
62°17° / 40°4°
Wind
11 mph17 km/h, gusts 31 mph49 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 48°9°. Typical 61°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–74°23°
Low, likely
45°7°–51°11°
Typical high / low
61°16° / 39°4°
Wind
7 mph11 km/h, gusts 23 mph37 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 67°19°, low 47°8°. Typical 61°16° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–73°23°
Low, likely
44°7°–51°11°
Typical high / low
61°16° / 39°4°
Wind
7 mph12 km/h, gusts 26 mph42 km/h
UV peak
4
Sunday, Nov 1. Drizzle. High 68°20°, low 51°11°. Typical 61°16° / 39°4°. Rain 0.01 in0.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  40% chance · 0.04 in0.9 mm
4. Overnight
  midnight–6 AM
  Showers, 60°16°
  40% chance · 0.3 in7.7 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
63°17°–73°23°
Low, likely
46°8°–56°13°
Typical high / low
61°16° / 39°4°
Wind
9 mph15 km/h, gusts 19 mph31 km/h
UV peak
2
Monday, Nov 2. Showers. High 70°21°, low 59°15°. Typical 60°16° / 38°3°. Rain 0.62 in16 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Showers, 63°17°
  30% chance · 0.21 in5.4 mm
2. Afternoon
  noon–6 PM
  Showers, 70°21°
  30% chance · 0.11 in2.7 mm
3. Evening
  6 PM–midnight
  Showers, 67°19°
  20% chance · 0.16 in4.1 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
65°18°–78°26°
Low, likely
55°13°–66°19°
Typical high / low
60°16° / 38°3°
Wind
16 mph26 km/h, gusts 37 mph59 km/h

10 days15 days30 days

The outlook

Today
Dry, high 65°, low 33°.
Tomorrow
Dry, high 67°, low 38°.
Monday
Dry, high 69°, low 45°.
Rest of week
Mostly dry, highs 63–73°.

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

Raritan River at Bound Brook

3.1 mi

Below flood stage

Level: 17.0 ft
Flow: 270 cfs

Forecast peak 17.0 ft Sat 8 PM

Reading from Sat 4:15 PM · NWS gauge page

Raritan River at Manville

4.6 mi

Below flood stage

Level: 4.4 ft
Flow: 403 cfs

Forecast peak 4.2 ft Sat 8 PM

Reading from Sat 4:15 PM · NWS gauge page

Passaic River near Millington

7.5 mi

Below flood stage

Level: 4.8 ft
Flow: 34 cfs

Forecast peak 4.8 ft Sat 8 PM

Reading from Sat 4:30 PM · NWS gauge page

Bound Brook at Middlesex

0.9 mi

Below flood stage

Level: 1.6 ft
Flow: 20 cfs

Reading from Sat 4 PM · NWS gauge page

For your home

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

Heating this week

About 68% less heating than a typical week.

This week 31Typical 97

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

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Sun, 12:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

New Brunswick 3 SE · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° warmer than typical.

Last 7 days vs normal

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

−10°−6°SunOct 18
−5°−3°MonOct 19
+2°+1°TueOct 20
+5°+3°WedOct 21
±0°ThuOct 22
+4°+2°FriOct 23
−4°−2°SatOct 24

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

Sun & moon

Sun

Daylight: 10 h 46 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:26–6:21 PM; Morning 7:01–7:56 AM
Blue hour: 6:21–6:32 PM; Morning 6:51–7:01 AM; first light 6:51 AM

Stars tonight? Fair

Clear 9 PM–6:52 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:30 AM · rises 5:01 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Middlesex. The highest point on the skyline is about 700 ft, 18 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Freeze Warning

Middlesex, NJ weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Raritan River at Bound Brook

Raritan River at Manville

Passaic River near Millington

Bound Brook at Middlesex

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