Frost Advisory
Starts in 7 h 36 min
When
From midnight tonight 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 34 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 3:50 PM EDT at KTTN

Woodside, PA weather

Sunny and 61°16°, jacket by 7 PM.

Forecasts agree

Now 61°16°

Sunny

Wind: Calm; Light through 4 AM
Dew point: 30°−1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Air quality: 52Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.51 inHg1033 hPa; Falling slowly · −0.04 inHg−1.5 hPa in 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

Drops 12°7° tonight 6–9 PM (59°15° → 47°8°)
Below 50°10° tonight after 8 PM
Low 34°1° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM

This afternoonNear 63°17° · Partly cloudy
TonightDown to 35°2° by 4 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 3 PM · Clear
Tomorrow nightDown to 38°3° by 3 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 4p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 2 mph3 km/h	34%	47%	2
Sat 5p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 2 mph3 km/h	34%	29%	1
Sat 6p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 2 mph4 km/h	39%	31%	0
Sat 7p	Clear	53°12° (likely 52°11° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 2 mph3 km/h	48%	11%	0
Sat 8p	Clear	47°8° (likely 47°8° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	60%	1%	0
Sat 9p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 2 mph4 km/h	65%	1%	0
Sat 10p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	70%	0%	0
Sat 11p	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 6 mph9 km/h	79%	1%	0
Sun 12a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	79%	0%	0
Sun 1a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	85%	0%	0
Sun 2a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	0%	0
Sun 3a	Clear	36°2° (likely 36°2° to 41°5°)	36°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 4a	Clear	35°2° (likely 35°2° to 41°5°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 5a	Clear	35°2° (likely 35°2° to 40°4°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	0%	0
Sun 6a	Clear	34°1° (likely 34°1° to 40°4°)	34°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	92%	0%	0
Sun 7a	Sunny	34°1° (likely 34°1° to 39°4°)	34°1°	0%	0 mph0 km/h, gusts 6 mph9 km/h	96%	0%	0
Sun 8a	Sunny	34°1° (likely 34°1° to 39°4°)	34°1°	0%	0 mph0 km/h, gusts 6 mph10 km/h	96%	0%	0
Sun 9a	Sunny	43°6° (likely 40°4° to 45°7°)	43°6°	0%	0 mph0 km/h, gusts 6 mph10 km/h	73%	0%	1
Sun 10a	Sunny	52°11° (likely 50°10° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	59%	0%	2
Sun 11a	Sunny	57°14° (likely 56°13° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	49%	0%	3
Sun 12p	Sunny	61°16° (likely 60°16° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 8 mph12 km/h	42%	0%	4
Sun 1p	Sunny	63°17° (likely 62°17° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 8 mph13 km/h	38%	0%	4
Sun 2p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 7 mph11 km/h	34%	1%	4
Sun 3p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 6 mph9 km/h	33%	0%	3
Sun 4p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 5 mph8 km/h	34%	1%	2
Sun 5p	Sunny	65°18° (likely 61°16° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 6 mph9 km/h	37%	0%	1
Sun 6p	Clear	61°16° (likely 57°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	44%	0%	0
Sun 7p	Clear	55°13° (likely 53°12° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	55%	0%	0
Sun 8p	Clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	66%	0%	0
Sun 9p	Clear	46°8° (likely 46°8° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 6 mph10 km/h	79%	0%	0
Sun 10p	Clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	86%	0%	0
Sun 11p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	93%	0%	0
Mon 12a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 6 mph10 km/h	96%	0%	0
Mon 1a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	1%	0
Mon 2a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 7 mph12 km/h	100%	2%	0
Mon 3a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 8 mph13 km/h	100%	2%	0
Mon 4a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	2%	0
Mon 5a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	1%	0
Mon 6a	Clear	38°3° (likely 37°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 7 mph12 km/h	100%	10%	0
Mon 7a	Sunny	38°3° (likely 36°2° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 7 mph11 km/h	100%	7%	0
Mon 8a	Sunny	39°4° (likely 36°2° to 43°6°)	37°3°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	100%	13%	0
Mon 9a	Sunny	47°8° (likely 41°5° to 47°8°)	46°8°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	79%	13%	1
Mon 10a	Sunny	54°12° (likely 50°10° to 56°13°)	54°12°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	64%	7%	2
Mon 11a	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	5 mph8 km/h from W, gusts 12 mph20 km/h	60%	7%	3
Mon 12p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	52%	0%	4
Mon 1p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	47%	3%	4
Mon 2p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	5 mph8 km/h from W, gusts 12 mph19 km/h	44%	0%	4
Mon 3p	Sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	42%	2%	3

Days ahead

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

Today, Oct 24. Sunny. High 64°18°, low 34°1°. Typical 62°17° / 43°6°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
2. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 64. Southwest wind around 0 mph.
Tonight: Patchy frost after 2am. Clear, with a low around 34. West wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–64°18°
Low, likely
32°0°–37°3°
Typical high / low
62°17° / 43°6°
Wind
5 mph7 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 67°19°, low 38°3°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 67. West wind around 0 mph.
Night: Mostly clear, with a low around 38. West wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–67°19°
Low, likely
35°2°–39°4°
Typical high / low
62°17° / 42°6°
Wind
6 mph10 km/h
UV peak
4
Monday, Oct 26. Sunny. High 70°21°, low 45°7°. Typical 62°17° / 42°6°. Dry. Mostly 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: Sunny, with a high near 70. West wind 0 to 5 mph.
Night: Clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–70°21°
Low, likely
35°2°–45°7°
Typical high / low
62°17° / 42°6°
Wind
8 mph12 km/h, gusts 17 mph27 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 64°18°, low 39°4°. Typical 61°16° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  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 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–64°18°
Low, likely
39°4°–49°9°
Typical high / low
61°16° / 42°6°
Wind
9 mph14 km/h, gusts 25 mph40 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 64°18°, low 44°7°. Typical 61°16° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Partly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
36°2°–44°7°
Typical high / low
61°16° / 41°5°
Wind
8 mph13 km/h, gusts 14 mph22 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 48°9°. Typical 61°16° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  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
64°18°–70°21°
Low, likely
43°6°–48°9°
Typical high / low
61°16° / 41°5°
Wind
7 mph12 km/h, gusts 29 mph47 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 49°9°. Typical 60°16° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  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 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–73°23°
Low, likely
44°7°–51°11°
Typical high / low
60°16° / 41°5°
Wind
6 mph10 km/h, gusts 28 mph44 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 70°21°, low 49°9°. Typical 60°16° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  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
66°19°–74°23°
Low, likely
44°7°–53°12°
Typical high / low
60°16° / 40°4°
Wind
7 mph12 km/h, gusts 24 mph39 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 69°21°, low 53°12°. Typical 60°16° / 40°4°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 63°17°
  30% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Showers, 62°17°
  30% chance · 0.14 in3.5 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
64°18°–74°23°
Low, likely
52°11°–56°13°
Typical high / low
60°16° / 40°4°
Wind
9 mph15 km/h, gusts 19 mph30 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 71°22°, low 60°16°. Typical 59°15° / 40°4°. Rain 0.31 in7.9 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 64°18°
  30% chance · 0.08 in2.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 72°22°
  20% chance · 0.09 in2.2 mm
3. Evening
  6 PM–midnight
  Showers, 68°20°
  20% chance · 0.08 in2.1 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
56°13°–66°19°
Typical high / low
59°15° / 40°4°
Wind
18 mph29 km/h, gusts 38 mph61 km/h

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 34°.
Tomorrow
Dry, high 67°, low 38°, warming up.
Monday
Dry, high 70°, low 45°, warming up.
Rest of week
Mostly dry, highs 64–73°.

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

Delaware River at Burlington (IN MLLW)

10 mi

Below flood stage

Level: 7.8 ft

Forecast peak 9.5 ft Mon 3 PM, minor flooding

Reading from Sat 3:06 PM · NWS gauge page

Delaware River at Trenton

4.3 mi

Below flood stage

Level: 8.6 ft
Flow: 4,360 cfs

Forecast peak 8.6 ft Sat 8 PM

Reading from Sat 2:15 PM · NWS gauge page

Delaware River at Washington Crossing

4.5 mi

Below flood stage

Level: -1.5 ft

Forecast peak -1.4 ft Sun 8 AM

Reading from Sat 3 PM · NWS gauge page

Assunpink Creek at Trenton

5.8 mi

Below flood stage

Level: 2.9 ft
Flow: 68 cfs

Forecast peak 2.9 ft Sat 8 PM

Reading from Sat 2:15 PM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 33Typical 95

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

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Sun, 12:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

Trenton-Mercer Airport · official normals 1991–2020 · records 1865–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

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

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

Sun & moon

Sun

Daylight: 10 h 47 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 28 min less
Golden hour: 5:29–6:23 PM; Morning 7:02–7:57 AM
Blue hour: 6:23–6:34 PM; Morning 6:52–7:02 AM; first light 6:52 AM

Stars tonight? Fair

Clear 7 PM–6:53 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:31 AM · rises 5:03 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from Woodside. The highest point on the skyline is about 4,300 ft, 55 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

Frost Advisory

Woodside, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Delaware River at Burlington (IN MLLW)

Delaware River at Trenton

Delaware River at Washington Crossing

Assunpink Creek at Trenton

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