Frost Advisory
Ends in 9 h 41 min
When
From 10 PM this evening to 9 AM EDT Sunday.
Where
Eastern Monmouth, Camden, Cape May, Gloucester, and Salem Counties.
Issued for this forecast zone · National Weather Service Mount Holly NJ
What, impacts and precautionsHide details
What
Temperatures as low as 33 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: Eastern Monmouth; Salem; Gloucester; Camden; Cape May
See it on weather.gov (opens in a new tab)

Observed 11:00 PM EDT at KWWD

Erma, NJ weather

Clear and 45°7°.

Forecasts agree

Now 45°7°

Clear

Wind: Calm; Up to 5 mph8 km/h through 11 AM
Dew point: 41°5°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Pressure: 30.57 inHg1035 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 (43°6° then, 44°7° now)

Good hours for

Low 37°3° tomorrow at 7 AM
Above 50°10° tomorrow by 10 AM
High 61°16° tomorrow at 2 PM

TonightDown to 41°5° by 5 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonNear 60°16° · Clear
Tomorrow nightDown to 47°8° by 5 AM · Clear
Monday morningUp to 57°14° by 11 AM · Clear
Monday afternoonUp to 65°18° by 4 PM · Clear
Monday nightDown to 53°12° by 10 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 11p	Clear	49°9° (likely 47°8° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	80%	0%	0
Sun 12a	Clear	49°9° (likely 45°7° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	2%	0
Sun 1a	Clear	48°9° (likely 44°7° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	2%	0
Sun 2a	Clear	48°9° (likely 43°6° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	2%	0
Sun 3a	Clear	46°8° (likely 42°6° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	86%	3%	0
Sun 4a	Clear	44°7° (likely 41°5° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 7 mph11 km/h	93%	4%	0
Sun 5a	Clear	41°5° (likely 41°5° to 48°9°)	41°5°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	3%	0
Sun 6a	Clear	39°4° (likely 39°4° to 48°9°)	37°3°	0%	5 mph8 km/h from N, gusts 8 mph13 km/h	100%	2%	0
Sun 7a	Sunny	37°3° (likely 37°3° to 47°8°)	34°1°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	100%	1%	0
Sun 8a	Sunny	46°8° (likely 39°4° to 47°8°)	45°7°	0%	5 mph8 km/h from N, gusts 8 mph13 km/h	83%	3%	0
Sun 9a	Sunny	49°9° (likely 45°7° to 51°11°)	47°8°	0%	5 mph8 km/h from N, gusts 8 mph13 km/h	80%	0%	1
Sun 10a	Sunny	54°12° (likely 54°12° to 54°12°)	54°12°	0%	5 mph8 km/h from N, gusts 7 mph12 km/h	69%	0%	2
Sun 11a	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	5 mph8 km/h from NE, gusts 6 mph9 km/h	59%	1%	3
Sun 12p	Sunny	59°15° (likely 59°15° to 62°17°)	59°15°	0%	5 mph8 km/h from N, gusts 5 mph9 km/h	53%	1%	4
Sun 1p	Sunny	60°16° (likely 60°16° to 63°17°)	60°16°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	49%	1%	4
Sun 2p	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	48%	0%	4
Sun 3p	Sunny	61°16° (likely 61°16° to 65°18°)	61°16°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	50%	0%	4
Sun 4p	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	5 mph8 km/h from E, gusts 4 mph7 km/h	50%	0%	2
Sun 5p	Sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	51%	0%	1
Sun 6p	Clear	57°14° (likely 56°13° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 6 mph9 km/h	59%	0%	0
Sun 7p	Clear	55°13° (likely 52°11° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	64%	0%	0
Sun 8p	Clear	52°11° (likely 51°11° to 55°13°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	71%	0%	0
Sun 9p	Clear	51°11° (likely 51°11° to 55°13°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	74%	1%	0
Sun 10p	Clear	50°10° (likely 50°10° to 54°12°)	50°10°	0%	0 mph0 km/h, gusts 5 mph7 km/h	77%	2%	0
Sun 11p	Clear	50°10° (likely 49°9° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	77%	3%	0
Mon 12a	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	2%	0
Mon 1a	Clear	49°9° (likely 48°9° to 52°11°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	1%	0
Mon 2a	Clear	48°9° (likely 47°8° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	0%	0
Mon 3a	Clear	48°9° (likely 46°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 6 mph9 km/h	86%	0%	0
Mon 4a	Clear	48°9° (likely 46°8° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 7 mph11 km/h	86%	0%	0
Mon 5a	Clear	47°8° (likely 46°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 6 mph10 km/h	93%	1%	0
Mon 6a	Clear	47°8° (likely 45°7° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 5 mph9 km/h	89%	3%	0
Mon 7a	Sunny	46°8° (likely 45°7° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 7 mph10 km/h	93%	4%	0
Mon 8a	Sunny	48°9° (likely 46°8° to 50°10°)	47°8°	0%	5 mph8 km/h from NW, gusts 7 mph11 km/h	89%	6%	0
Mon 9a	Sunny	52°11° (likely 50°10° to 53°12°)	52°11°	0%	5 mph8 km/h from NW, gusts 7 mph12 km/h	83%	3%	1
Mon 10a	Sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	5 mph8 km/h from NW, gusts 9 mph14 km/h	77%	2%	2
Mon 11a	Sunny	57°14° (likely 57°14° to 61°16°)	57°14°	0%	5 mph8 km/h from NW, gusts 10 mph17 km/h	75%	2%	3
Mon 12p	Sunny	59°15° (likely 59°15° to 62°17°)	59°15°	0%	5 mph8 km/h from NW, gusts 11 mph18 km/h	69%	2%	4
Mon 1p	Sunny	61°16° (likely 61°16° to 63°17°)	61°16°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	65%	1%	4
Mon 2p	Sunny	63°17° (likely 62°17° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 15 mph24 km/h	60%	6%	4
Mon 3p	Sunny	64°18° (likely 63°17° to 64°18°)	64°18°	0%	5 mph8 km/h from W, gusts 15 mph24 km/h	60%	2%	4
Mon 4p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	5 mph8 km/h from W, gusts 17 mph27 km/h	60%	0%	2
Mon 5p	Sunny	64°18° (likely 63°17° to 64°18°)	64°18°	0%	5 mph8 km/h from W, gusts 16 mph26 km/h	65%	0%	1
Mon 6p	Clear	62°17° (likely 59°15° to 62°17°)	62°17°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	70%	0%	0
Mon 7p	Clear	59°15° (likely 56°13° to 60°16°)	59°15°	0%	5 mph8 km/h from W, gusts 10 mph15 km/h	78%	0%	0
Mon 8p	Clear	56°13° (likely 55°13° to 58°14°)	56°13°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	86%	0%	0
Mon 9p	Clear	54°12° (likely 54°12° to 59°15°)	54°12°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	90%	0%	0
Mon 10p	Clear	53°12° (likely 53°12° to 59°15°)	53°12°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	96%	0%	0

Days ahead

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

Today, Oct 24. Cloudy. High 62°17°, low 37°3°. Typical 65°18° / 48°9°. Dry. Forecasts agree.
1. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Official NWS forecast
Tonight: Patchy frost. Clear, with a low around 37. Northeast wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
37°3°–45°7°
Typical high / low
65°18° / 48°9°
Wind
8 mph13 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 62°17°, low 46°8°. Typical 64°18° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 62. Northeast wind around 5 mph.
Night: Clear, with a low around 46. North wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–65°18°
Low, likely
39°4°–47°8°
Typical high / low
64°18° / 47°8°
Wind
7 mph11 km/h
UV peak
4
Monday, Oct 26. Sunny. High 65°18°, low 48°9°. Typical 64°18° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Official NWS forecast
Day: Sunny, with a high near 65. Northwest wind 0 to 5 mph.
Night: Clear, with a low around 48. Northwest wind around 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–65°18°
Low, likely
45°7°–50°10°
Typical high / low
64°18° / 47°8°
Wind
11 mph17 km/h, gusts 19 mph31 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 62°17°, low 48°9°. Typical 64°18° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  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 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
48°9°–55°13°
Typical high / low
64°18° / 47°8°
Wind
15 mph24 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 62°17°, low 51°11°. Typical 63°17° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: Mostly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–63°17°
Low, likely
48°9°–55°13°
Typical high / low
63°17° / 46°8°
Wind
11 mph18 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 65°18°, low 52°11°. Typical 63°17° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 56°13°
  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 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
52°11°–58°14°
Typical high / low
63°17° / 46°8°
Wind
9 mph15 km/h, gusts 17 mph27 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 67°19°, low 51°11°. Typical 63°17° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67.
Night: Mostly clear, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
51°11°–57°14°
Typical high / low
63°17° / 46°8°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 65°18°, low 55°13°. Typical 62°17° / 45°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–66°19°
Low, likely
50°10°–58°14°
Typical high / low
62°17° / 45°7°
Wind
12 mph19 km/h, gusts 20 mph31 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 66°19°, low 57°14°. Typical 62°17° / 45°7°. Rain 0.01 in0.3 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  20% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Rain, 63°17°
  30% chance · 0.09 in2.3 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–68°20°
Low, likely
49°9°–60°16°
Typical high / low
62°17° / 45°7°
Wind
13 mph22 km/h, gusts 27 mph43 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 68°20°, low 62°17°. Typical 62°17° / 45°7°. Rain 0.25 in6.4 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 63°17°
  30% chance · 0.17 in4.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  30% chance · 0.01 in0.4 mm
3. Evening
  6 PM–midnight
  Clear, 64°18°
  20% chance
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°–70°21°
Low, likely
59°15°–66°19°
Typical high / low
62°17° / 45°7°
Wind
22 mph36 km/h, gusts 38 mph61 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 37°.
Tomorrow
Dry, high 62°, low 46°.
Monday
Dry, high 65°, low 48°, warming up.
Rest of week
Mostly dry, highs 62–68°.

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

Cape May Harbor at Cape May Harbor (IN MLLW)

3.2 mi

Below flood stage

Level: 5.0 ft

Forecast peak 6.2 ft Tue 9 AM, minor flooding

Reading from Sat 9:06 PM · NWS gauge page

Rehoboth Bay at Dewey Beach (IN MLLW)

23 mi

Minor flooding

Level: 3.4 ft

Reading from Sat 9:36 PM · NWS gauge page

Maurice River at Bivalve (IN MLLW)

18 mi

Below flood stage

Level: 7.0 ft

Forecast peak 7.3 ft Sun 9 AM

Reading from Sat 9:06 PM · NWS gauge page

Delaware Bay at Lewes (IN MLLW)

19 mi

Below flood stage

Level: 4.8 ft

Forecast peak 5.8 ft Tue 10 AM

Reading from Sat 9:36 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 24Typical 69

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 9
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 3 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 41°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Cape May 2 NW · official normals 1991–2020 · records 1877–2025

Oct 24, today vs a typical year

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

Last 7 days vs normal

On average 5°3° colder than normal (daily mean temperature).

—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
−4°−2°SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 24 min less
Golden hour: 5:31–6:25 PM; Morning 7:01–7:55 AM
Blue hour: 6:25–6:35 PM; Morning 6:51–7:01 AM; first light 6:51 AM

Stars tonight? Fair

Clear 11:19 PM–6:52 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

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

Looking southeast from Erma. 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

Erma, NJ weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Cape May Harbor at Cape May Harbor (IN MLLW)

Rehoboth Bay at Dewey Beach (IN MLLW)

Maurice River at Bivalve (IN MLLW)

Delaware Bay at Lewes (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