Frost Advisory
Starts in 9 h 46 min
When
From midnight tonight to 9 AM EDT Saturday.
Where
In Delaware, Kent and New Castle Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties.
Issued for this forecast zone · National Weather Service Mount Holly NJ
What, impacts and precautionsHide details
What
Temperatures as low as 35 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; Talbot; Caroline
See it on weather.gov (opens in a new tab)

Observed 1:55 PM EDT at KMIV

Dover, DE weather

Partly cloudy and 61°16°, jacket by 7 PM.

Forecasts agree

Now 61°16°

Partly sunny

Wind: 7 mph11 km/h; From the northeast. 58–15 mph24 km/h through 2 AM
Dew point: 37°3°; Comfortable
UV index: 3Moderate; Moderate until 3 PM · peak 4
Air quality: 46Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.34 inHg1027 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 61°16° today at 3 PM
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 39°4° by 5 AM · Partly cloudy
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonNear 59°15° · Clear
Tomorrow nightDown to 40°4° by 4 AM · Clear
Sunday 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
Fri 2p	Sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	10 mph16 km/h from NE, gusts 14 mph22 km/h	49%	18%	3
Fri 3p	Sunny	61°16° (likely 61°16° to 62°17°)	61°16°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	46%	17%	2
Fri 4p	Mostly sunny	60°16° (likely 60°16° to 62°17°)	60°16°	0%	10 mph16 km/h from NE, gusts 12 mph19 km/h	47%	21%	1
Fri 5p	Mostly sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	10 mph16 km/h from NE, gusts 10 mph17 km/h	47%	21%	0
Fri 6p	Mostly clear	58°14° (likely 56°13° to 58°14°)	58°14°	0%	10 mph16 km/h from NE, gusts 13 mph21 km/h	47%	18%	0
Fri 7p	Clear	52°11° (likely 52°11° to 55°13°)	52°11°	0%	10 mph16 km/h from NE, gusts 13 mph20 km/h	54%	10%	0
Fri 8p	Clear	48°9° (likely 48°9° to 53°12°)	43°6°	0%	15 mph24 km/h from NE, gusts 14 mph22 km/h	58%	4%	0
Fri 9p	Clear	46°8° (likely 46°8° to 52°11°)	41°5°	0%	10 mph16 km/h from NE, gusts 13 mph20 km/h	60%	1%	0
Fri 10p	Clear	44°7° (likely 44°7° to 51°11°)	38°3°	0%	10 mph16 km/h from NE, gusts 12 mph19 km/h	62%	9%	0
Fri 11p	Partly cloudy	43°6° (likely 43°6° to 50°10°)	38°3°	0%	10 mph16 km/h from E, gusts 11 mph18 km/h	65%	49%	0
Sat 12a	Mostly clear	42°6° (likely 42°6° to 49°9°)	37°3°	0%	10 mph16 km/h from E, gusts 10 mph16 km/h	67%	64%	0
Sat 1a	Cloudy	42°6° (likely 42°6° to 49°9°)	37°3°	0%	10 mph16 km/h from NE, gusts 9 mph14 km/h	67%	59%	0
Sat 2a	Mostly clear	41°5° (likely 41°5° to 48°9°)	36°2°	0%	10 mph16 km/h from NE, gusts 9 mph14 km/h	73%	45%	0
Sat 3a	Partly cloudy	40°4° (likely 40°4° to 47°8°)	35°2°	0%	10 mph16 km/h from NE, gusts 9 mph15 km/h	76%	24%	0
Sat 4a	Mostly clear	40°4° (likely 40°4° to 46°8°)	35°2°	0%	10 mph16 km/h from NE, gusts 9 mph14 km/h	79%	19%	0
Sat 5a	Mostly clear	39°4° (likely 39°4° to 45°7°)	33°1°	0%	10 mph16 km/h from NE, gusts 9 mph14 km/h	85%	39%	0
Sat 6a	Mostly clear	38°3° (likely 38°3° to 45°7°)	33°1°	0%	5 mph8 km/h from NE, gusts 9 mph14 km/h	89%	47%	0
Sat 7a	Mostly sunny	38°3° (likely 38°3° to 44°7°)	33°1°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	89%	18%	0
Sat 8a	Mostly sunny	41°5° (likely 41°5° to 45°7°)	36°2°	0%	10 mph16 km/h from NE, gusts 10 mph16 km/h	82%	19%	0
Sat 9a	Mostly sunny	46°8° (likely 46°8° to 49°9°)	42°6°	0%	10 mph16 km/h from NE, gusts 10 mph16 km/h	71%	16%	1
Sat 10a	Mostly sunny	52°11° (likely 52°11° to 55°13°)	52°11°	0%	10 mph16 km/h from NE, gusts 12 mph19 km/h	61%	13%	2
Sat 11a	Sunny	56°13° (likely 56°13° to 58°14°)	56°13°	0%	10 mph16 km/h from NE, gusts 12 mph19 km/h	57%	12%	3
Sat 12p	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	5 mph8 km/h from E, gusts 12 mph19 km/h	53%	14%	4
Sat 1p	Sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	49%	13%	4
Sat 2p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	46%	11%	4
Sat 3p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	44%	5%	4
Sat 4p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	42%	4%	3
Sat 5p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	44%	5%	1
Sat 6p	Clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	5 mph8 km/h from S, gusts 9 mph15 km/h	45%	2%	0
Sat 7p	Clear	53°12° (likely 51°11° to 53°12°)	53°12°	0%	5 mph8 km/h from S, gusts 8 mph12 km/h	52%	2%	0
Sat 8p	Clear	47°8° (likely 47°8° to 51°11°)	43°6°	0%	10 mph16 km/h from S, gusts 7 mph12 km/h	65%	8%	0
Sat 9p	Clear	45°7° (likely 45°7° to 50°10°)	41°5°	0%	10 mph16 km/h from S, gusts 6 mph10 km/h	70%	1%	0
Sat 10p	Clear	44°7° (likely 44°7° to 50°10°)	40°4°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	73%	2%	0
Sat 11p	Clear	43°6° (likely 43°6° to 50°10°)	39°4°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	79%	2%	0
Sun 12a	Clear	42°6° (likely 42°6° to 49°9°)	39°4°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	86%	1%	0
Sun 1a	Clear	42°6° (likely 42°6° to 49°9°)	40°4°	0%	5 mph8 km/h from S, gusts 8 mph14 km/h	86%	0%	0
Sun 2a	Clear	41°5° (likely 41°5° to 49°9°)	41°5°	0%	0 mph0 km/h, gusts 7 mph11 km/h	92%	1%	0
Sun 3a	Clear	41°5° (likely 41°5° to 49°9°)	41°5°	0%	0 mph0 km/h, gusts 7 mph11 km/h	92%	5%	0
Sun 4a	Clear	40°4° (likely 40°4° to 48°9°)	38°3°	0%	5 mph8 km/h from NW, gusts 7 mph11 km/h	100%	10%	0
Sun 5a	Clear	40°4° (likely 40°4° to 47°8°)	38°3°	0%	5 mph8 km/h from NW, gusts 7 mph11 km/h	100%	15%	0
Sun 6a	Mostly clear	39°4° (likely 39°4° to 47°8°)	36°2°	0%	5 mph8 km/h from NW, gusts 7 mph12 km/h	100%	22%	0
Sun 7a	Sunny	39°4° (likely 39°4° to 46°8°)	36°2°	0%	5 mph8 km/h from N, gusts 6 mph10 km/h	100%	14%	0
Sun 8a	Sunny	41°5° (likely 41°5° to 46°8°)	37°3°	0%	5 mph8 km/h from N, gusts 6 mph10 km/h	96%	12%	0
Sun 9a	Mostly sunny	45°7° (likely 45°7° to 51°11°)	41°5°	0%	5 mph8 km/h from N, gusts 6 mph9 km/h	82%	11%	1
Sun 10a	Sunny	52°11° (likely 52°11° to 54°12°)	52°11°	0%	10 mph16 km/h from N, gusts 6 mph10 km/h	63%	4%	2
Sun 11a	Sunny	57°14° (likely 57°14° to 58°14°)	57°14°	0%	10 mph16 km/h from N, gusts 6 mph10 km/h	55%	0%	3
Sun 12p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	10 mph16 km/h from N, gusts 6 mph10 km/h	47%	0%	4
Sun 1p	Sunny	62°17° (likely 60°16° to 63°17°)	62°17°	0%	10 mph16 km/h from N, gusts 6 mph10 km/h	41%	0%	4

Days ahead

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

Today, Oct 23. Mostly sunny. High 61°16°, low 38°3°. Typical 66°19° / 47°8°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
3. Overnight
  midnight–6 AM
  Partly cloudy, 39°4°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. Northeast wind 5 to 15 mph.
Tonight: Patchy frost after 5am. Mostly clear, with a low around 38. Northeast wind 10 to 15 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–62°17°
Low, likely
38°3°–49°9°
Typical high / low
66°19° / 47°8°
Wind
11 mph18 km/h, gusts 22 mph36 km/h
UV peak
4
Tomorrow, Oct 24. Mostly sunny. High 61°16°, low 39°4°. Typical 66°19° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Patchy frost before 8am. Sunny, with a high near 61. East wind 5 to 10 mph.
Night: Patchy frost after 4am. Mostly clear, with a low around 39. Southwest wind 0 to 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–61°16°
Low, likely
39°4°–44°7°
Typical high / low
66°19° / 46°8°
Wind
9 mph15 km/h
UV peak
4
Sunday, Oct 25. Mostly sunny. High 64°18°, low 39°4°. Typical 66°19° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 41°5°
  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, 42°6°
  Dry
Official NWS forecast
Day: Patchy frost before 8am. Sunny, with a high near 64. North wind 5 to 10 mph.
Night: Mostly clear, with a low around 39.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–64°18°
Low, likely
39°4°–45°7°
Typical high / low
66°19° / 46°8°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 68°20°, low 47°8°. Typical 65°18° / 46°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  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, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 68.
Night: Mostly clear, with a low around 47.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–68°20°
Low, likely
38°3°–47°8°
Typical high / low
65°18° / 46°8°
Wind
8 mph13 km/h, gusts 17 mph28 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 65°18°, low 46°8°. Typical 65°18° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  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 65.
Night: Mostly clear, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
46°8°–53°12°
Typical high / low
65°18° / 45°7°
Wind
13 mph20 km/h, gusts 22 mph35 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 61°16°, low 47°8°. Typical 65°18° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°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 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
47°8°–50°10°
Typical high / low
65°18° / 45°7°
Wind
10 mph16 km/h, gusts 20 mph33 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 66°19°, low 48°9°. Typical 64°18° / 45°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°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 66.
Night: Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–70°21°
Low, likely
48°9°–52°11°
Typical high / low
64°18° / 45°7°
Wind
11 mph18 km/h, gusts 24 mph39 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 70°21°, low 51°11°. Typical 64°18° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°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.
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
67°19°–72°22°
Low, likely
48°9°–53°12°
Typical high / low
64°18° / 44°7°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 65°18°, low 49°9°. Typical 64°18° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  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
58°14°–69°21°
Low, likely
44°7°–54°12°
Typical high / low
64°18° / 44°7°
Wind
11 mph18 km/h, gusts 25 mph40 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 65°18°, low 51°11°. Typical 63°17° / 44°7°. Rain 0.02 in0.5 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°15°
  30% 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
59°15°–69°21°
Low, likely
42°6°–55°13°
Typical high / low
63°17° / 44°7°
Wind
11 mph17 km/h, gusts 30 mph49 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 38°.
Tomorrow
Dry, high 61°, low 39°.
Sunday
Dry, high 64°, low 39°, warming up.
Rest of week
Mostly dry, highs 61–70°.

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

Murderkill River at Bowers Beach (IN MLLW)

9.7 mi

Below flood stage

Level: 3.5 ft

Forecast peak 6.7 ft Fri 8 PM, minor flooding

Reading from Fri 12:18 PM · NWS gauge page

St. Jones River at Dover

0.2 mi

Below flood stage

Level: 3.5 ft

Reading from Fri 12:15 PM · NWS gauge page

Cohansey River at Greenwich (IN MLLW)

18 mi

Below flood stage

Level: 4.5 ft

Reading from Fri 12:30 PM · NWS gauge page

Unicorn Branch near Millington

19 mi

Level: 1.8 ft

Reading from Fri 1 PM · NWS gauge page

For your home

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

Heating this week

About 51% less heating than a typical week.

This week 32Typical 67

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 27
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 37°F).

Open the windows?

Today, 3:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 23, 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).

+7°+4°SatOct 17
−11°−6°SunOct 18
−6°−3°MonOct 19
−3°−2°TueOct 20
±0°WedOct 21
−1°ThuOct 22
+1°FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 52 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 27 min less
Golden hour: 5:35–6:28 PM; Morning 7:03–7:57 AM
Blue hour: 6:28–6:39 PM; Morning 6:52–7:03 AM; first light 6:52 AM

Stars tonight? Fair

Mostly clear 6:39–11 PM, but the moon is 95% lit and up.

Moon

Waxing gibbous

93% lit · growing

Today: sets 4:25 AM · rises 4:42 PM
Full moon: Oct 26
New moon: Nov 9

Looking east from Dover. 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

Dover, DE weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Murderkill River at Bowers Beach (IN MLLW)

St. Jones River at Dover

Cohansey River at Greenwich (IN MLLW)

Unicorn Branch near Millington

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon