Frost Advisory
Starts in 1 h 24 min
When
From 10 PM this evening to 9 AM EDT Sunday.
Where
In Delaware, Kent and New Castle Counties. In Maryland, Caroline, Kent MD, and Queen Annes Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia 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: New Castle; Kent; Kent; Queen Anne's; Caroline; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
See it on weather.gov (opens in a new tab)

Observed 8:15 PM EDT at KGED

Frederica, DE weather

Clear and 48°9°.

Forecasts agree

Now 48°9°

Clear

Wind: Calm; Light through 8 AM
Dew point: 45°7°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4
Air quality: 25Good; Main pollutant: Ozone
Pressure: 30.55 inHg1035 hPa; Rising slowly · +0.02 inHg+0.7 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 38°3° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM
High 64°18° tomorrow at 3 PM
Below 50°10° tomorrow night after 8 PM

TonightDown to 39°4° by 4 AM · Clear
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonNear 62°17° · Clear
Tomorrow nightDown to 39°4° by 4 AM · Clear
Monday morningUp to 59°15° by 11 AM · Clear
Monday afternoonUp to 68°20° 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 8p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	0%	0
Sat 9p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	0%	0
Sat 10p	Clear	43°6° (likely 43°6° to 49°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	2%	0
Sat 11p	Clear	41°5° (likely 41°5° to 48°9°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	3%	0
Sun 12a	Clear	41°5° (likely 41°5° to 48°9°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	4%	0
Sun 1a	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	6%	0
Sun 2a	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	12%	0
Sun 3a	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	10%	0
Sun 4a	Clear	39°4° (likely 39°4° to 46°8°)	39°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	2%	0
Sun 5a	Clear	39°4° (likely 39°4° to 46°8°)	39°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	4%	0
Sun 6a	Clear	38°3° (likely 38°3° to 46°8°)	38°3°	0%	0 mph0 km/h, gusts 7 mph12 km/h	100%	8%	0
Sun 7a	Sunny	38°3° (likely 38°3° to 46°8°)	38°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	11%	0
Sun 8a	Sunny	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	96%	6%	0
Sun 9a	Sunny	48°9° (likely 47°8° to 50°10°)	47°8°	0%	5 mph8 km/h from N, gusts 6 mph9 km/h	83%	4%	1
Sun 10a	Sunny	54°12° (likely 53°12° to 57°14°)	54°12°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	69%	2%	2
Sun 11a	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	5 mph8 km/h from NE, gusts 6 mph9 km/h	60%	2%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	5 mph8 km/h from NE, gusts 6 mph9 km/h	50%	4%	4
Sun 1p	Sunny	62°17° (likely 62°17° to 63°17°)	62°17°	0%	5 mph8 km/h from NE, gusts 6 mph9 km/h	46%	2%	4
Sun 2p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	43%	4%	4
Sun 3p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	41%	4%	4
Sun 4p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	5 mph8 km/h from E, gusts 6 mph9 km/h	41%	3%	3
Sun 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 6 mph9 km/h	44%	0%	1
Sun 6p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	53%	0%	0
Sun 7p	Clear	53°12° (likely 51°11° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 6 mph9 km/h	64%	0%	0
Sun 8p	Clear	49°9° (likely 49°9° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 5 mph9 km/h	71%	0%	0
Sun 9p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 6 mph10 km/h	82%	0%	0
Sun 10p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 7 mph12 km/h	89%	0%	0
Sun 11p	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	89%	3%	0
Mon 12a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	93%	6%	0
Mon 1a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	93%	1%	0
Mon 2a	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 7 mph11 km/h	96%	1%	0
Mon 3a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	96%	4%	0
Mon 4a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 8 mph14 km/h	96%	2%	0
Mon 5a	Clear	39°4° (likely 37°3° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	4%	0
Mon 6a	Clear	39°4° (likely 37°3° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	5%	0
Mon 7a	Sunny	39°4° (likely 37°3° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 10 mph15 km/h	100%	8%	0
Mon 8a	Sunny	41°5° (likely 38°3° to 43°6°)	41°5°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	13%	0
Mon 9a	Mostly sunny	47°8° (likely 44°7° to 47°8°)	46°8°	0%	5 mph8 km/h from W, gusts 7 mph12 km/h	89%	47%	1
Mon 10a	Sunny	54°12° (likely 53°12° to 55°13°)	54°12°	0%	5 mph8 km/h from W, gusts 10 mph16 km/h	74%	30%	2
Mon 11a	Sunny	59°15° (likely 59°15° to 62°17°)	59°15°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	67%	7%	3
Mon 12p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	5 mph8 km/h from W, gusts 13 mph20 km/h	58%	1%	4
Mon 1p	Sunny	65°18° (likely 65°18° to 66°19°)	65°18°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	52%	9%	4
Mon 2p	Sunny	67°19° (likely 66°19° to 67°19°)	67°19°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	49%	0%	4
Mon 3p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 15 mph24 km/h	47%	0%	4
Mon 4p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 14 mph23 km/h	49%	9%	3
Mon 5p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 11 mph18 km/h	52%	0%	1
Mon 6p	Clear	62°17° (likely 60°16° to 62°17°)	62°17°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	60%	0%	0
Mon 7p	Clear	57°14° (likely 55°13° to 58°14°)	57°14°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	72%	0%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 61°16°, low 38°3°. Typical 66°19° / 46°8°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Tonight: Patchy frost after 10pm. Clear, with a low around 38. East wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–61°16°
Low, likely
38°3°–43°6°
Typical high / low
66°19° / 46°8°
Wind
9 mph14 km/h, gusts 16 mph25 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°18°, low 39°4°. Typical 66°19° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 65. Northeast wind 0 to 5 mph.
Night: Clear, with a low around 39. West wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–65°18°
Low, likely
39°4°–44°7°
Typical high / low
66°19° / 46°8°
Wind
6 mph9 km/h, gusts 13 mph20 km/h
UV peak
4
Monday, Oct 26. Sunny. High 68°20°, low 47°8°. Typical 65°18° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. West wind 0 to 5 mph.
Night: Clear, with a low around 47. Northwest wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–68°20°
Low, likely
37°3°–47°8°
Typical high / low
65°18° / 46°8°
Wind
10 mph16 km/h, gusts 18 mph28 km/h
UV peak
4
Tuesday, Oct 27. Sunny. High 64°18°, low 46°8°. Typical 65°18° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  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, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: 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
62°17°–65°18°
Low, likely
46°8°–51°11°
Typical high / low
65°18° / 45°7°
Wind
12 mph19 km/h, gusts 21 mph34 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 63°17°, low 49°9°. Typical 65°18° / 45°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 63°17°
  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.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–63°17°
Low, likely
46°8°–52°11°
Typical high / low
65°18° / 45°7°
Wind
11 mph17 km/h, gusts 19 mph31 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 50°10°. Typical 64°18° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  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 70.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
47°8°–53°12°
Typical high / low
64°18° / 45°7°
Wind
10 mph16 km/h, gusts 20 mph31 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 50°10°. Typical 64°18° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 54°12°
  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 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
47°8°–53°12°
Typical high / low
64°18° / 44°7°
Wind
8 mph13 km/h, gusts 14 mph22 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 70°21°, low 52°11°. Typical 64°18° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–71°22°
Low, likely
51°11°–55°13°
Typical high / low
64°18° / 44°7°
Wind
9 mph14 km/h, gusts 21 mph34 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 72°22°, low 54°12°. Typical 63°17° / 44°7°. Rain 0.01 in0.3 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  20% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 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
70°21°–74°23°
Low, likely
51°11°–57°14°
Typical high / low
63°17° / 44°7°
Wind
12 mph19 km/h, gusts 29 mph46 km/h
UV peak
4
Monday, Nov 2. Drizzle. High 72°22°, low 61°16°. Typical 63°17° / 43°6°. Rain 0.2 in5.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 65°18°
  30% chance · 0.13 in3.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 72°22°
  30% chance
3. Evening
  6 PM–midnight
  Clear, 66°19°
  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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–77°25°
Low, likely
58°14°–68°20°
Typical high / low
63°17° / 43°6°
Wind
20 mph31 km/h, gusts 35 mph56 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 38°.
Tomorrow
Dry, high 65°, low 39°, warming up.
Monday
Dry, high 68°, low 47°, warming up.
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

Murderkill River at Bowers Beach (IN MLLW)

5.1 mi

Below flood stage

Level: 4.4 ft

Forecast peak 6.8 ft Tue 10 AM, minor flooding

Reading from Sat 6:18 PM · NWS gauge page

Delaware Bay at Lewes (IN MLLW)

24 mi

Below flood stage

Level: 5.3 ft

Forecast peak 5.8 ft Tue 10 AM

Reading from Sat 7:06 PM · NWS gauge page

St. Jones River at Dover

11 mi

Below flood stage

Level: 2.5 ft

Reading from Sat 6:15 PM · NWS gauge page

Nanticoke River at Bridgeville

20 mi

Below flood stage

Level: 4.4 ft

Reading from Sat 6:15 PM · NWS gauge page

For your home

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

Heating this week

About 57% less heating than a typical week.

This week 30Typical 69

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

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Sun, 12:00 PM–5:00 PM

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

Is this typical?

DOVER · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is 5°3° colder than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−6°−3°MonOct 19
−3°−2°TueOct 20
±0°WedOct 21
−1°ThuOct 22
+1°FriOct 23
—SatOct 24
—SunOct 25

Frederica 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: 5:33–6:27 PM; Morning 7:04–7:57 AM
Blue hour: 6:27–6:38 PM; Morning 6:53–7:04 AM; first light 6:53 AM

Stars tonight? Fair

Clear 8:36 PM–6:54 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:32 AM · rises 5:07 PM
Full moon: Oct 26
New moon: Nov 9

Looking east from Frederica. 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

Frederica, DE weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Murderkill River at Bowers Beach (IN MLLW)

Delaware Bay at Lewes (IN MLLW)

St. Jones River at Dover

Nanticoke River at Bridgeville

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