Delaware River at USCG Station Washington Street (IN MLLW)
5.1 mi- Level
- 7.1 ft
Forecast peak 7.9 ft Sun 1 PM
Reading from Sat 2 PM · NWS gauge page
1 active weather alert
Frost Advisory
Starts in 8 h 42 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 2:55 PM EDT at KPHL
National Park, NJ weather
Mostly sunny and 61°16°, jacket by 8 PM.
Today: low 38°3° (likely 37°3° to 38°3°), high 65°18° (likely 61°16° to 65°18°).
Now 61°16°
Mostly sunny
- Wind
- Calm
- Light through 3 AM
- Dew point
- 35°2°
- Comfortable
- UV tomorrow
- 4Moderate
- Moderate 11 AM–4 PM · peak 4
- Air quality
- 48Good
- PM2.5 (fine particles) · tomorrow moderate
- Pressure
- 30.53 inHg1034 hPa
- Falling · −0.06 inHg−2.0 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This afternoonNear 63°17° · Clear
TonightDown to 40°4° by 4 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 4 PM · Clear
Tomorrow nightDown to 42°6° by 4 AM · Clear
Monday morningUp to 59°15° by 11 AM · Clear
Monday afternoonUp to 68°20° by 2 PM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 3p | Sunny | 63°17° (likely 61°16° to 64°18°) | 63°17° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 35% | 0% | 2 |
| Sat 4p | Sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 34% | 0% | 1 |
| Sat 5p | Sunny | 62°17° (likely 60°16° to 63°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 36% | 0% | 0 |
| Sat 6p | Clear | 60°16° (likely 57°14° to 60°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 41% | 0% | 0 |
| Sat 7p | Clear | 57°14° (likely 53°12° to 57°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 47% | 0% | 0 |
| Sat 8p | Clear | 52°11° (likely 50°10° to 53°12°) | 52°11° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 56% | 0% | 0 |
| Sat 9p | Clear | 50°10° (likely 49°9° to 51°11°) | 50°10° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 63% | 0% | 0 |
| Sat 10p | Clear | 48°9° (likely 46°8° to 50°10°) | 48°9° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 71% | 0% | 0 |
| Sat 11p | Clear | 46°8° (likely 44°7° to 47°8°) | 46°8° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 76% | 0% | 0 |
| Sun 12a | Clear | 45°7° (likely 43°6° to 46°8°) | 45°7° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 79% | 0% | 0 |
| Sun 1a | Clear | 44°7° (likely 41°5° to 45°7°) | 44°7° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 79% | 0% | 0 |
| Sun 2a | Clear | 43°6° (likely 40°4° to 43°6°) | 43°6° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 79% | 0% | 0 |
| Sun 3a | Clear | 41°5° (likely 40°4° to 42°6°) | 41°5° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 85% | 0% | 0 |
| Sun 4a | Clear | 40°4° (likely 39°4° to 42°6°) | 40°4° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 85% | 0% | 0 |
| Sun 5a | Clear | 40°4° (likely 38°3° to 41°5°) | 40°4° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 82% | 0% | 0 |
| Sun 6a | Clear | 39°4° (likely 37°3° to 41°5°) | 39°4° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 85% | 0% | 0 |
| Sun 7a | Sunny | 39°4° (likely 36°2° to 39°4°) | 39°4° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 85% | 4% | 0 |
| Sun 8a | Sunny | 40°4° (likely 37°3° to 40°4°) | 40°4° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 85% | 5% | 0 |
| Sun 9a | Sunny | 45°7° (likely 42°6° to 45°7°) | 45°7° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 79% | 0% | 1 |
| Sun 10a | Sunny | 52°11° (likely 49°9° to 52°11°) | 52°11° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 63% | 1% | 2 |
| Sun 11a | Sunny | 57°14° (likely 54°12° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 51% | 2% | 3 |
| Sun 12p | Sunny | 60°16° (likely 58°14° to 61°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 44% | 3% | 4 |
| Sun 1p | Sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 37% | 2% | 4 |
| Sun 2p | Sunny | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 34% | 1% | 4 |
| Sun 3p | Sunny | 65°18° (likely 63°17° to 66°19°) | 65°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 34% | 1% | 3 |
| Sun 4p | Sunny | 67°19° (likely 63°17° to 67°19°) | 67°19° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 33% | 0% | 2 |
| Sun 5p | Sunny | 65°18° (likely 62°17° to 65°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 37% | 0% | 1 |
| Sun 6p | Clear | 62°17° (likely 57°14° to 62°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 43% | 0% | 0 |
| Sun 7p | Clear | 58°14° (likely 53°12° to 58°14°) | 58°14° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 51% | 0% | 0 |
| Sun 8p | Clear | 53°12° (likely 51°11° to 54°12°) | 53°12° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 61% | 0% | 0 |
| Sun 9p | Clear | 51°11° (likely 48°9° to 52°11°) | 51°11° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 68% | 0% | 0 |
| Sun 10p | Clear | 49°9° (likely 47°8° to 50°10°) | 49°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 74% | 0% | 0 |
| Sun 11p | Clear | 47°8° (likely 46°8° to 48°9°) | 47°8° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 79% | 2% | 0 |
| Mon 12a | Clear | 46°8° (likely 44°7° to 46°8°) | 46°8° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 79% | 4% | 0 |
| Mon 1a | Clear | 45°7° (likely 44°7° to 45°7°) | 45°7° | 0% | 0 mph0 km/h, gusts 7 mph12 km/h | 82% | 3% | 0 |
| Mon 2a | Clear | 44°7° (likely 43°6° to 46°8°) | 44°7° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 82% | 4% | 0 |
| Mon 3a | Clear | 43°6° (likely 42°6° to 44°7°) | 43°6° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 82% | 4% | 0 |
| Mon 4a | Clear | 42°6° (likely 41°5° to 43°6°) | 42°6° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 86% | 4% | 0 |
| Mon 5a | Mostly clear | 42°6° (likely 40°4° to 43°6°) | 42°6° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 86% | 20% | 0 |
| Mon 6a | Mostly clear | 41°5° (likely 39°4° to 43°6°) | 41°5° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 89% | 41% | 0 |
| Mon 7a | Sunny | 41°5° (likely 38°3° to 43°6°) | 41°5° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 92% | 30% | 0 |
| Mon 8a | Mostly sunny | 42°6° (likely 38°3° to 46°8°) | 42°6° | 0% | 0 mph0 km/h, gusts 5 mph9 km/h | 100% | 33% | 0 |
| Mon 9a | Mostly sunny | 47°8° (likely 43°6° to 53°12°) | 47°8° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 89% | 12% | 1 |
| Mon 10a | Sunny | 53°12° (likely 51°11° to 57°14°) | 53°12° | 0% | 5 mph8 km/h from W, gusts 8 mph12 km/h | 74% | 13% | 2 |
| Mon 11a | Sunny | 59°15° (likely 58°14° to 61°16°) | 59°15° | 0% | 5 mph8 km/h from W, gusts 10 mph15 km/h | 62% | 2% | 3 |
| Mon 12p | Sunny | 63°17° (likely 63°17° to 64°18°) | 63°17° | 0% | 5 mph8 km/h from W, gusts 11 mph17 km/h | 54% | 10% | 4 |
| Mon 1p | Sunny | 66°19° (likely 65°18° to 67°19°) | 66°19° | 0% | 5 mph8 km/h from W, gusts 12 mph20 km/h | 47% | 1% | 4 |
| Mon 2p | Sunny | 68°20° (likely 67°19° to 69°21°) | 68°20° | 0% | 5 mph8 km/h from W, gusts 13 mph21 km/h | 42% | 0% | 4 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Sunny. High 65°18°, low 38°3°. Typical 64°18° / 46°8°. Dry. Forecasts agree.
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 52°11°Dry
Overnight
midnight–6 AM
Clear, 40°4°Dry
Official NWS forecast
Today: Sunny, with a high near 65. Wind around 0 mph.
Tonight: Patchy frost after 10pm. Clear, with a low around 38. North wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 61°16°–65°18°
- Low, likely
- 37°3°–38°3°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 6 mph9 km/h
- UV peak
- 4
Tomorrow, Oct 25. Sunny. High 68°20°, low 40°4°. Typical 64°18° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 40°4°Dry
Afternoon
noon–6 PM
Sunny, 67°19°Dry
Evening
6 PM–midnight
Clear, 53°12°Dry
Overnight
midnight–6 AM
Clear, 42°6°Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 68. Northwest wind around 0 mph.
Night: Clear, with a low around 40. West wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–68°20°
- Low, likely
- 36°2°–40°4°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 6 mph10 km/h
- UV peak
- 4
Monday, Oct 26. Sunny. High 70°21°, low 50°10°. Typical 63°17° / 45°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Mostly sunny, 42°6°Dry
Afternoon
noon–6 PM
Sunny, 69°20°Dry
Evening
6 PM–midnight
Clear, 58°14°Dry
Overnight
midnight–6 AM
Clear, 53°12°Dry
Official NWS forecast
Day: Sunny, with a high near 70. West wind 0 to 5 mph.
Night: Clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 68°20°–70°21°
- Low, likely
- 39°4°–50°10°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 8 mph13 km/h, gusts 18 mph29 km/h
- UV peak
- 4
Tuesday, Oct 27. Sunny. High 64°18°, low 42°6°. Typical 63°17° / 45°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 51°11°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Clear, 54°12°Dry
Overnight
midnight–6 AM
Clear, 46°8°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 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 62°17°–66°19°
- Low, likely
- 42°6°–52°11°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 9 mph15 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Wednesday, Oct 28. Cloudy. High 64°18°, low 46°8°. Typical 63°17° / 45°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 44°7°Dry
Afternoon
noon–6 PM
Cloudy, 64°18°Dry
Evening
6 PM–midnight
Cloudy, 55°13°Dry
Overnight
midnight–6 AM
Cloudy, 49°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 64.
Night: Mostly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 62°17°–65°18°
- Low, likely
- 41°5°–47°8°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 8 mph13 km/h, gusts 14 mph22 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 69°21°, low 51°11°. Typical 62°17° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 47°9°Dry
Afternoon
noon–6 PM
Mostly sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 58°14°Dry
Overnight
midnight–6 AM
Clear, 50°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
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
- 45°7°–51°11°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 8 mph13 km/h, gusts 27 mph43 km/h
- UV peak
- 4
Friday, Oct 30. Mostly sunny. High 71°22°, low 50°10°. Typical 62°17° / 44°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 74°23°Dry
Evening
6 PM–midnight
Clear, 62°17°Dry
Overnight
midnight–6 AM
Clear, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 71.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 71°22°–75°24°
- Low, likely
- 47°8°–51°11°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 6 mph9 km/h, gusts 26 mph41 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 72°22°, low 51°11°. Typical 62°17° / 44°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 51°11°Dry
Afternoon
noon–6 PM
Cloudy, 74°23°Dry
Evening
6 PM–midnight
Cloudy, 62°17°Dry
Overnight
midnight–6 AM
Cloudy, 56°13°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
- 68°20°–76°24°
- Low, likely
- 46°8°–55°13°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 8 mph13 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Sunday, Nov 1. Cloudy. High 70°21°, low 55°13°. Typical 61°16° / 43°6°. Rain 0.01 in0.3 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 57°14°Dry
Afternoon
noon–6 PM
Cloudy, 70°21°Dry
Evening
6 PM–midnight
Cloudy, 64°18°30% chance · 0.01 in0.4 mm
Overnight
midnight–6 AM
Drizzle, 63°17°30% chance · 0.15 in3.7 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 66°19°–75°24°
- Low, likely
- 53°12°–57°14°
- Typical high / low
- 61°16° / 43°6°
- Wind
- 10 mph16 km/h, gusts 21 mph34 km/h
- UV peak
- 2
Monday, Nov 2. Drizzle. High 72°22°, low 62°17°. Typical 61°16° / 43°6°. Rain 0.3 in7.6 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Showers, 65°18°30% chance · 0.09 in2.4 mm
Afternoon
noon–6 PM
Drizzle, 73°23°20% chance · 0.08 in2 mm
Evening
6 PM–midnight
Drizzle, 69°20°20% chance · 0.02 in0.4 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
- 66°19°–78°26°
- Low, likely
- 59°15°–67°19°
- Typical high / low
- 61°16° / 43°6°
- Wind
- 18 mph29 km/h, gusts 36 mph58 km/h
The outlook
Today
Dry, high 65°, low 38°.
Tomorrow
Dry, high 68°, low 40°, warming up.
Monday
Dry, high 70°, low 50°.
Rest of week
Mostly dry, highs 64–72°.
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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Schuylkill River near Philadelphia near 30th Street
6.2 mi- Level
- 3.7 ft
Forecast peak 4.7 ft Sun 1 PM
Reading from Sat 1:45 PM · NWS gauge page
Schuylkill River at Philadelphia
6.9 mi- Level
- 6.0 ft
- Flow
- 1,030 cfs
Forecast peak 6.0 ft Sat 8 PM
Reading from Sat 1 PM · NWS gauge page
Darby Creek at 84th Street Bridge at Eastwick
4.3 mi- Level
- 4.2 ft
- Flow
- 1,290 cfs
Reading from Sat 1:15 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 65% less heating than a typical week.
This week 27Typical 77
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 22
- 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 11 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 35°F).
Open the windows?
Today, 4:00 PM–6:00 PM
Good stretch to open the windows.
Is this typical?
Philadelphia International Airport · official normals 1991–2020 · records 1873–2026
Oct 24, today vs a typical year
Today’s expected high is about typical for the date.
- Normal high / low
- 64°18° / 46°8°
- Forecast high / low
- 65°18° / 38°3°
- Record high
- 83°28° in 2001
- Record low
- 25°−4° in 1969
Last 7 days vs normal
On average 1°0° colder than normal (daily mean temperature).
- −6°−3°SunOct 18
- −2°−1°MonOct 19
- +3°+1°TueOct 20
- +2°+1°WedOct 21
- +2°+1°ThuOct 22
- −2°−1°FriOct 23
- —SatOct 24
National Park weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:20 AM, sunset 6:08 PM.
- Daylight
- 10 h 48 min
- Losing 2 min 25 s a day; shortest Dec 21, 1 h 27 min less
- Golden hour
- 5:31–6:25 PM
- Morning 7:03–7:58 AM
- Blue hour
- 6:25–6:36 PM
- Morning 6:53–7:03 AM; first light 6:53 AM
Stars tonight? Fair
Clear 6:36 PM–6:54 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:32 AM · rises 5:05 PM
- Full moon
- Oct 26
- New moon
- Nov 9
