Schuylkill River at Philadelphia
8.6 mi- Level
- 6.0 ft
- Flow
- 1,000 cfs
Forecast peak 6.0 ft Sat 8 AM
Reading from Sat 3 AM · NWS gauge page
1 active weather alert
Frost Advisory
Ends in 3 h 12 min
- When
- From midnight tonight to 9 AM EDT Saturday.
- Where
- Portions of central, northern, and southern New Jersey and southeast Pennsylvania.
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: Middlesex; Western Monmouth; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Ocean; Cumberland; Atlantic; Southeastern Burlington; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
See it on weather.gov (opens in a new tab)
Observed 5:10 AM EDT at KPHL
Arcadia University, PA weather
Clear and 43°6°.
Today: low 35°2° (likely 34°1° to 38°3°), high 63°17° (likely 60°16° to 63°17°).
Now 43°6°
Clear
- Wind
- 5 mph7 km/h
- From the north-northwest. Up to 5 mph8 km/h through 5 PM
- Dew point
- 36°2°
- Comfortable
- UV index
- 0Low
- Moderate 11 AM–4 PM · peak 4
- Air quality
- 64Moderate
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.51 inHg1033 hPa
- Rising slowly · +0.02 inHg+0.8 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 morningUp to 53°12° by 11 AM · Clear
This afternoonUp to 62°17° by 4 PM · Clear
TonightDown to 39°4° by 3 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 4 PM · Clear
Tomorrow nightDown to 41°5° by 4 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5a | Clear | 37°3° (likely 35°2° to 40°4°) | 37°3° | 0% | 0 mph0 km/h, gusts 5 mph9 km/h | 82% | 7% | 0 |
| Sat 6a | Clear | 35°2° (likely 34°1° to 39°4°) | 35°2° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 89% | 5% | 0 |
| Sat 7a | Sunny | 36°2° (likely 34°1° to 38°3°) | 36°2° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 85% | 8% | 0 |
| Sat 8a | Sunny | 36°2° (likely 35°2° to 39°4°) | 33°1° | 0% | 5 mph8 km/h from N, gusts 8 mph13 km/h | 89% | 20% | 0 |
| Sat 9a | Sunny | 42°6° (likely 40°4° to 44°7°) | 42°6° | 0% | 0 mph0 km/h, gusts 8 mph12 km/h | 76% | 19% | 1 |
| Sat 10a | Sunny | 49°9° (likely 47°8° to 50°10°) | 49°9° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 61% | 20% | 2 |
| Sat 11a | Sunny | 53°12° (likely 52°11° to 55°13°) | 53°12° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 52% | 11% | 3 |
| Sat 12p | Sunny | 56°13° (likely 55°13° to 58°14°) | 56°13° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 45% | 2% | 4 |
| Sat 1p | Sunny | 59°15° (likely 58°14° to 60°16°) | 59°15° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 39% | 3% | 4 |
| Sat 2p | Sunny | 61°16° (likely 59°15° to 62°17°) | 61°16° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 36% | 4% | 4 |
| Sat 3p | Sunny | 61°16° (likely 60°16° to 62°17°) | 61°16° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 35% | 3% | 3 |
| Sat 4p | Sunny | 62°17° (likely 60°16° to 62°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 33% | 1% | 2 |
| Sat 5p | Sunny | 61°16° (likely 59°15° to 61°16°) | 61°16° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 33% | 0% | 1 |
| Sat 6p | Clear | 59°15° (likely 55°13° to 59°15°) | 59°15° | 0% | 0 mph0 km/h, gusts 1 mph2 km/h | 39% | 0% | 0 |
| Sat 7p | Clear | 55°13° (likely 51°11° to 55°13°) | 55°13° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 47% | 0% | 0 |
| Sat 8p | Clear | 50°10° (likely 48°9° to 52°11°) | 50°10° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 58% | 0% | 0 |
| Sat 9p | Clear | 48°9° (likely 47°8° to 51°11°) | 48°9° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 63% | 0% | 0 |
| Sat 10p | Clear | 46°8° (likely 46°8° to 49°9°) | 46°8° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 71% | 0% | 0 |
| Sat 11p | Clear | 45°7° (likely 44°7° to 48°9°) | 45°7° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 70% | 0% | 0 |
| Sun 12a | Clear | 44°7° (likely 43°6° to 45°7°) | 44°7° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 73% | 0% | 0 |
| Sun 1a | Clear | 42°6° (likely 41°5° to 43°6°) | 42°6° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 76% | 0% | 0 |
| Sun 2a | Clear | 41°5° (likely 40°4° to 42°6°) | 41°5° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 79% | 0% | 0 |
| Sun 3a | Clear | 39°4° (likely 38°3° to 42°6°) | 39°4° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 82% | 0% | 0 |
| Sun 4a | Clear | 39°4° (likely 38°3° to 41°5°) | 39°4° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 82% | 0% | 0 |
| Sun 5a | Clear | 39°4° (likely 38°3° to 40°4°) | 39°4° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 79% | 0% | 0 |
| Sun 6a | Clear | 37°3° (likely 37°3° to 39°4°) | 37°3° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 85% | 0% | 0 |
| Sun 7a | Sunny | 37°3° (likely 36°2° to 38°3°) | 37°3° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 85% | 0% | 0 |
| Sun 8a | Sunny | 38°3° (likely 36°2° to 39°4°) | 38°3° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 85% | 0% | 0 |
| Sun 9a | Sunny | 44°7° (likely 41°5° to 45°7°) | 44°7° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 73% | 0% | 1 |
| Sun 10a | Sunny | 51°11° (likely 50°10° to 52°11°) | 51°11° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 61% | 0% | 2 |
| Sun 11a | Sunny | 57°14° (likely 55°13° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 49% | 0% | 3 |
| Sun 12p | Sunny | 59°15° (likely 58°14° to 62°17°) | 59°15° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 42% | 0% | 4 |
| Sun 1p | Sunny | 63°17° (likely 60°16° to 64°18°) | 63°17° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 35% | 0% | 4 |
| Sun 2p | Sunny | 64°18° (likely 62°17° to 65°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 34% | 0% | 4 |
| Sun 3p | Sunny | 64°18° (likely 63°17° to 66°19°) | 64°18° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 34% | 1% | 3 |
| Sun 4p | Sunny | 65°18° (likely 63°17° to 65°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 33% | 0% | 2 |
| Sun 5p | Sunny | 64°18° (likely 62°17° to 64°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 35% | 0% | 1 |
| Sun 6p | Clear | 61°16° (likely 56°13° to 61°16°) | 61°16° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 41% | 0% | 0 |
| Sun 7p | Clear | 57°14° (likely 52°11° to 57°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 5 mph9 km/h | 49% | 0% | 0 |
| Sun 8p | Clear | 52°11° (likely 50°10° to 54°12°) | 52°11° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 61% | 0% | 0 |
| Sun 9p | Clear | 50°10° (likely 48°9° to 52°11°) | 50°10° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 66% | 0% | 0 |
| Sun 10p | Clear | 48°9° (likely 47°8° to 50°10°) | 48°9° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 74% | 0% | 0 |
| Sun 11p | Clear | 46°8° (likely 46°8° to 48°9°) | 46°8° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 76% | 0% | 0 |
| Mon 12a | Clear | 45°7° (likely 44°7° to 47°8°) | 45°7° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 79% | 0% | 0 |
| Mon 1a | Clear | 44°7° (likely 41°5° to 47°8°) | 44°7° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 79% | 0% | 0 |
| Mon 2a | Clear | 43°6° (likely 39°4° to 48°9°) | 43°6° | 0% | 0 mph0 km/h, gusts 7 mph11 km/h | 79% | 0% | 0 |
| Mon 3a | Clear | 42°6° (likely 36°2° to 50°10°) | 42°6° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 82% | 0% | 0 |
| Mon 4a | Clear | 41°5° (likely 36°2° to 49°9°) | 39°4° | 0% | 5 mph8 km/h from W, gusts 7 mph12 km/h | 85% | 0% | 0 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Sunny. High 63°17°, low 35°2°. Typical 64°18° / 46°8°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 36°2°Dry
Afternoon
noon–6 PM
Sunny, 62°17°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 39°4°Dry
Official NWS forecast
Today: Patchy frost before 10am. Sunny, with a high near 63. North wind 0 to 5 mph.
Tonight: Patchy frost. Partly cloudy, with a low around 35. North wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 60°16°–63°17°
- Low, likely
- 34°1°–38°3°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 6 mph10 km/h, gusts 12 mph19 km/h
- UV peak
- 4
Tomorrow, Oct 25. Sunny. High 66°19°, low 39°4°. Typical 64°18° / 46°8°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 38°3°Dry
Afternoon
noon–6 PM
Sunny, 65°18°Dry
Evening
6 PM–midnight
Clear, 52°11°Dry
Overnight
midnight–6 AM
Clear, 41°5°Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 66. Northwest wind around 0 mph.
Night: Clear, with a low around 39. Northwest wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–66°19°
- Low, likely
- 36°2°–39°4°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 6 mph10 km/h
- UV peak
- 4
Monday, Oct 26. Sunny. High 68°20°, low 47°8°. Typical 63°17° / 45°7°. Dry. Forecasts agree.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Sunny, 67°20°Dry
Evening
6 PM–midnight
Clear, 56°13°Dry
Overnight
midnight–6 AM
Clear, 51°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
- 67°19°–68°20°
- Low, likely
- 36°2°–47°8°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 8 mph12 km/h, gusts 17 mph27 km/h
- UV peak
- 4
Tuesday, Oct 27. Sunny. High 62°17°, low 40°4°. Typical 63°17° / 45°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 49°9°Dry
Afternoon
noon–6 PM
Sunny, 62°17°Dry
Evening
6 PM–midnight
Clear, 52°11°Dry
Overnight
midnight–6 AM
Clear, 42°5°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 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 60°16°–65°18°
- Low, likely
- 40°4°–49°9°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 9 mph15 km/h, gusts 24 mph39 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 62°17°, low 44°7°. Typical 63°17° / 45°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 41°5°Dry
Afternoon
noon–6 PM
Cloudy, 61°16°Dry
Evening
6 PM–midnight
Mostly clear, 53°12°Dry
Overnight
midnight–6 AM
Clear, 45°7°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 44.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 59°15°–63°17°
- Low, likely
- 38°3°–44°7°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 7 mph12 km/h, gusts 15 mph24 km/h
- UV peak
- 4
Thursday, Oct 29. Partly sunny. High 67°19°, low 49°9°. Typical 62°17° / 44°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 44°7°Dry
Afternoon
noon–6 PM
Sunny, 65°18°Dry
Evening
6 PM–midnight
Clear, 56°13°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Mostly clear, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 62°17°–68°20°
- Low, likely
- 42°6°–49°9°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 8 mph12 km/h, gusts 29 mph47 km/h
- UV peak
- 4
Friday, Oct 30. Mostly sunny. High 70°21°, low 47°8°. Typical 62°17° / 44°7°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 47°8°Dry
Afternoon
noon–6 PM
Sunny, 72°22°Dry
Evening
6 PM–midnight
Clear, 60°15°Dry
Overnight
midnight–6 AM
Clear, 49°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 70°21°–73°23°
- Low, likely
- 43°6°–50°10°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 10 mph16 km/h, gusts 24 mph38 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 70°21°, low 48°9°. Typical 62°17° / 44°7°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 48°9°Dry
Afternoon
noon–6 PM
Partly sunny, 69°21°Dry
Evening
6 PM–midnight
Cloudy, 60°15°Dry
Overnight
midnight–6 AM
Mostly clear, 51°11°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
- 62°17°–74°23°
- Low, likely
- 42°6°–52°11°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 10 mph16 km/h, gusts 24 mph38 km/h
- UV peak
- 3
Sunday, Nov 1. Cloudy. High 67°19°, low 51°11°. Typical 61°16° / 43°6°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 51°10°Dry
Afternoon
noon–6 PM
Cloudy, 66°19°Dry
Evening
6 PM–midnight
Cloudy, 60°16°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
- 59°15°–72°22°
- Low, likely
- 49°9°–53°12°
- Typical high / low
- 61°16° / 43°6°
- Wind
- 7 mph11 km/h, gusts 20 mph33 km/h
- UV peak
- 2
Monday, Nov 2. Cloudy. High 70°21°, low 57°14°. Typical 61°16° / 43°6°. Rain 0.05 in1.3 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 59°15°Dry
Afternoon
noon–6 PM
Partly sunny, 71°22°20% chance
Evening
6 PM–midnight
Mostly clear, 63°17°30% chance · 0.04 in1.1 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°–74°23°
- Low, likely
- 56°13°–59°15°
- Typical high / low
- 61°16° / 43°6°
- Wind
- 8 mph13 km/h, gusts 20 mph32 km/h
- UV peak
- 3
The outlook
Today
Dry, high 63°, low 35°.
Tomorrow
Dry, high 66°, low 39°, warming up.
Monday
Dry, high 68°, low 47°.
Rest of week
Mostly dry, highs 62–70°.
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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Schuylkill River near Philadelphia near 30th Street
9.4 mi- Level
- 1.1 ft
Forecast peak 4.8 ft Sat 1 PM
Reading from Sat 4 AM · NWS gauge page
Schuylkill River at Norristown
9.7 mi- Level
- 8.1 ft
- Flow
- 1,330 cfs
Forecast peak 8.1 ft Sat 8 AM
Reading from Sat 3:30 AM · NWS gauge page
Delaware River at USCG Station Washington Street (IN MLLW)
11 mi- Level
- 4.5 ft
Forecast peak 8.0 ft Sat 1 PM
Reading from Sat 4:06 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 61% less heating than a typical week.
This week 30Typical 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 10 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 36°F).
Open the windows?
Today, 2:00 PM–5:00 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
- 63°17° / 35°2°
- 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
- —FriOct 23
- —SatOct 24
Arcadia University weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:21 AM, sunset 6:08 PM.
- Daylight
- 10 h 47 min
- Losing 2 min 30 s a day; shortest Dec 21, 1 h 28 min less
- Golden hour
- 5:30–6:25 PM
- Morning 7:04–7:58 AM
- Blue hour
- 6:25–6:35 PM
- Morning 6:53–7:04 AM; first light 6:53 AM
Stars tonight? Good
Clear 5:48–6:53 AM; moon 96% lit but below the horizon.
Moon
Waxing gibbous
96% lit · growing
- Today
- sets 5:32 AM · rises 5:04 PM
- Full moon
- Oct 26
- New moon
- Nov 9
