Frost Advisory
Starts in 9 h 43 min
When
From midnight tonight to 9 AM EDT Sunday.
Where
Portions of central, northern, and southern New Jersey.
Issued for this forecast zone · National Weather Service Mount Holly NJ
What, impacts and precautionsHide details
What
Temperatures as low as 32 degrees will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Middlesex; Western Monmouth; Eastern Monmouth; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Ocean; Cumberland; Atlantic; Cape May; Southeastern Burlington
See it on weather.gov (opens in a new tab)

Observed 2:00 PM EDT at KWWD

South Dennis, NJ weather

Sunny and 63°17°, jacket by 7 PM.

Forecasts agree

Now 63°17°

Sunny

Wind: 10 mph17 km/h; From the east-northeast. Up to 10 mph17 km/h through 2 AM
Dew point: 43°6°; Comfortable
UV index: 3Moderate; Moderate until 3 PM · peak 4
Air quality: 28Good; Ozone · tomorrow moderate
Pressure: 30.54 inHg1034 hPa; Falling slowly · −0.04 inHg−1.4 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 38°3° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM

This afternoonNear 60°16° · Clear
TonightDown to 40°4° by 3 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 63°17° by 2 PM · Clear
Tomorrow nightDown to 41°5° by 4 AM · Clear
Monday morningUp to 57°14° 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	Sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	51%	0%	3
Sat 3p	Sunny	60°16° (likely 60°16° to 63°17°)	60°16°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	51%	1%	2
Sat 4p	Sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	51%	0%	1
Sat 5p	Sunny	59°15° (likely 58°14° to 61°16°)	59°15°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	53%	0%	0
Sat 6p	Clear	56°13° (likely 54°12° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 8 mph13 km/h	62%	0%	0
Sat 7p	Clear	52°11° (likely 51°11° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 8 mph13 km/h	74%	0%	0
Sat 8p	Clear	48°9° (likely 48°9° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 7 mph12 km/h	86%	0%	0
Sat 9p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 6 mph10 km/h	86%	0%	0
Sat 10p	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 6 mph10 km/h	89%	1%	0
Sat 11p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 6 mph10 km/h	89%	1%	0
Sun 12a	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	89%	7%	0
Sun 1a	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	89%	12%	0
Sun 2a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	89%	6%	0
Sun 3a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	92%	6%	0
Sun 4a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 7 mph12 km/h	92%	6%	0
Sun 5a	Clear	40°4° (likely 40°4° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 8 mph12 km/h	92%	5%	0
Sun 6a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	92%	6%	0
Sun 7a	Sunny	39°4° (likely 39°4° to 41°5°)	39°4°	0%	0 mph0 km/h, gusts 8 mph12 km/h	89%	5%	0
Sun 8a	Sunny	39°4° (likely 39°4° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 8 mph12 km/h	92%	5%	0
Sun 9a	Sunny	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 8 mph12 km/h	82%	1%	1
Sun 10a	Sunny	52°11° (likely 52°11° to 55°13°)	52°11°	0%	5 mph8 km/h from N, gusts 8 mph13 km/h	66%	2%	2
Sun 11a	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	5 mph8 km/h from N, gusts 6 mph10 km/h	55%	2%	3
Sun 12p	Sunny	59°15° (likely 59°15° to 63°17°)	59°15°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	49%	9%	4
Sun 1p	Sunny	62°17° (likely 62°17° to 64°18°)	62°17°	0%	0 mph0 km/h, gusts 5 mph9 km/h	43%	8%	4
Sun 2p	Sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	0 mph0 km/h, gusts 5 mph7 km/h	41%	8%	4
Sun 3p	Sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	0 mph0 km/h, gusts 4 mph7 km/h	43%	20%	3
Sun 4p	Sunny	63°17° (likely 61°16° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 6 mph10 km/h	44%	14%	2
Sun 5p	Sunny	61°16° (likely 59°15° to 62°17°)	61°16°	0%	0 mph0 km/h, gusts 7 mph11 km/h	49%	2%	1
Sun 6p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	59%	1%	0
Sun 7p	Clear	54°12° (likely 52°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	69%	0%	0
Sun 8p	Clear	49°9° (likely 49°9° to 52°11°)	49°9°	0%	0 mph0 km/h, gusts 6 mph9 km/h	83%	0%	0
Sun 9p	Clear	48°9° (likely 48°9° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	0%	0
Sun 10p	Clear	47°8° (likely 47°8° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 5 mph7 km/h	83%	0%	0
Sun 11p	Clear	46°8° (likely 46°8° to 48°9°)	46°8°	0%	0 mph0 km/h, gusts 5 mph7 km/h	86%	1%	0
Mon 12a	Clear	45°7° (likely 45°7° to 47°8°)	45°7°	0%	0 mph0 km/h, gusts 5 mph7 km/h	89%	2%	0
Mon 1a	Clear	44°7° (likely 44°7° to 46°8°)	44°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	89%	1%	0
Mon 2a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	0 mph0 km/h, gusts 5 mph8 km/h	93%	1%	0
Mon 3a	Clear	42°6° (likely 42°6° to 48°9°)	42°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	93%	3%	0
Mon 4a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 6 mph10 km/h	92%	3%	0
Mon 5a	Clear	41°5° (likely 41°5° to 43°6°)	41°5°	0%	0 mph0 km/h, gusts 7 mph11 km/h	92%	5%	0
Mon 6a	Clear	40°4° (likely 39°4° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 8 mph12 km/h	92%	16%	0
Mon 7a	Sunny	39°4° (likely 39°4° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 7 mph11 km/h	92%	12%	0
Mon 8a	Sunny	41°5° (likely 40°4° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	32%	0
Mon 9a	Sunny	45°7° (likely 45°7° to 51°11°)	44°7°	0%	5 mph8 km/h from NW, gusts 8 mph13 km/h	93%	2%	1
Mon 10a	Sunny	51°11° (likely 51°11° to 57°14°)	51°11°	0%	5 mph8 km/h from NW, gusts 9 mph14 km/h	86%	8%	2
Mon 11a	Sunny	57°14° (likely 57°14° to 61°16°)	57°14°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	75%	11%	3
Mon 12p	Sunny	61°16° (likely 61°16° to 63°17°)	61°16°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	67%	0%	4
Mon 1p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	5 mph8 km/h from W, gusts 14 mph23 km/h	60%	0%	4

Days ahead

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

Today, Oct 24. Sunny. High 61°16°, low 38°3°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 60°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. East wind around 5 mph.
Tonight: Patchy frost after 10pm. Clear, with a low around 38. Northeast wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–63°17°
Low, likely
36°2°–40°4°
Typical high / low
64°18° / 41°5°
Wind
7 mph11 km/h, gusts 12 mph19 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 39°4°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 64. Northeast wind 0 to 5 mph.
Night: Clear, with a low around 39. North wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–65°18°
Low, likely
38°3°–41°5°
Typical high / low
64°18° / 41°5°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
4
Monday, Oct 26. Sunny. High 66°19°, low 46°8°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  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, 50°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 66. West wind 0 to 5 mph.
Night: Clear, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–66°19°
Low, likely
39°4°–46°8°
Typical high / low
64°18° / 41°5°
Wind
9 mph15 km/h, gusts 20 mph31 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 62°17°, low 42°6°. Typical 64°18° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  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 62.
Night: Mostly clear, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
42°6°–51°11°
Typical high / low
64°18° / 40°4°
Wind
11 mph18 km/h, gusts 24 mph39 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 61°16°, low 46°8°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: Mostly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–62°17°
Low, likely
45°7°–50°10°
Typical high / low
63°17° / 40°4°
Wind
11 mph18 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 66°19°, low 50°10°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  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 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
48°9°–54°12°
Typical high / low
63°17° / 40°4°
Wind
7 mph11 km/h, gusts 19 mph31 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 69°21°, low 48°9°. Typical 63°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
48°9°–55°13°
Typical high / low
63°17° / 39°4°
Wind
7 mph11 km/h, gusts 28 mph45 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 68°20°, low 53°12°. Typical 62°17° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°15°
  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
64°18°–72°22°
Low, likely
52°11°–54°12°
Typical high / low
62°17° / 39°4°
Wind
11 mph18 km/h, gusts 27 mph43 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 67°19°, low 58°14°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  20% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 63°17°
  20% chance · 0.08 in2 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–69°21°
Low, likely
54°12°–60°16°
Typical high / low
62°17° / 39°4°
Wind
13 mph21 km/h, gusts 24 mph38 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 69°21°, low 62°17°. Typical 62°17° / 38°3°. Rain 0.29 in7.4 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 64°18°
  20% chance · 0.05 in1.4 mm
2. Afternoon
  noon–6 PM
  Showers, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  20% 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–71°22°
Low, likely
60°16°–66°19°
Typical high / low
62°17° / 38°3°
Wind
22 mph36 km/h, gusts 38 mph61 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 38°.
Tomorrow
Dry, high 64°, low 39°, warming up.
Monday
Dry, high 66°, low 46°.
Rest of week
Mostly dry, highs 61–69°.

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

Maurice River at Bivalve (IN MLLW)

13 mi

Below flood stage

Level: 3.6 ft

Forecast peak 7.3 ft Sun 9 AM

Reading from Sat 12:18 PM · NWS gauge page

Great Egg Harbor Bay at Ocean City (IN MLLW)

15 mi

Below flood stage

Level: 1.6 ft

Forecast peak 4.8 ft Sat 8 PM

Reading from Sat 12:24 PM · NWS gauge page

Cape May Harbor at Cape May Harbor (IN MLLW)

16 mi

Below flood stage

Level: 1.3 ft

Forecast peak 5.9 ft Mon 8 AM

Reading from Sat 1:06 PM · NWS gauge page

Sluice Creek at S. Dennis (IN MLLW)

1.6 mi

Below flood stage

Level: 5.6 ft

Reading from Sat 12:24 PM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 31Typical 92

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 43°F).

Open the windows?

Today, 3:00 PM–4:00 PM

Good stretch to open the windows.

Is this typical?

Estell Manor · official normals 1991–2020 · records 1965–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 3°2° colder than normal (daily mean temperature).

−12°−7°SunOct 18
−5°−3°MonOct 19
−1°TueOct 20
+3°+1°WedOct 21
±0°ThuOct 22
+2°+1°FriOct 23
−4°−2°SatOct 24

South Dennis weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 25 min less
Golden hour: 5:30–6:24 PM; Morning 7:01–7:55 AM
Blue hour: 6:24–6:35 PM; Morning 6:50–7:01 AM; first light 6:50 AM

Stars tonight? Fair

Clear 6:35 PM–6:51 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:30 AM · rises 5:04 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from South Dennis. Open water to the horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Frost Advisory

South Dennis, NJ weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Maurice River at Bivalve (IN MLLW)

Great Egg Harbor Bay at Ocean City (IN MLLW)

Cape May Harbor at Cape May Harbor (IN MLLW)

Sluice Creek at S. Dennis (IN MLLW)

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