Schuylkill River at Philadelphia
3.4 mi- Level
- 6.1 ft
- Flow
- 1,060 cfs
Forecast peak 6.1 ft Fri 8 PM
Reading from Fri 4 PM · NWS gauge page
1 active weather alert
Frost Advisory
Starts in 5 h 11 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 6:00 PM EDT at KPHL
Millbourne, PA weather
Mostly sunny and 59°15°, 64°36° colder than a typical Oct 23.
Today: low 36°2°, high 0°−18°.
Now 59°15°
Mostly sunny
- Wind
- 6 mph9 km/h
- From the east. Up to 6 mph9 km/h through 6 AM
- Dew point
- 34°1°
- Dry, static shocks likely
- Air quality
- 39Good
- Main pollutant: PM2.5 (fine particles)
Next 48 hours
Good hours for
TonightDown to 37°3° by 4 AM
Tomorrow morningUp to 55°13° by 11 AM
Tomorrow afternoonUp to 64°18° by 3 PM
Tomorrow nightDown to 38°3° by 4 AM
Sunday morningUp to 57°14° by 11 AM
Sunday afternoonUp to 66°19° by 3 PM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 6p | Mostly clear | 59°15° (likely 54°12° to 59°15°) | 59°15° | 0% | 5 mph8 km/h from NE | 33% | — | — |
| Fri 7p | Partly cloudy | 54°12° (likely 51°11° to 54°12°) | 54°12° | 0% | 5 mph8 km/h from E | 45% | — | — |
| Fri 8p | Mostly clear | 50°10° (likely 49°9° to 50°10°) | 50°10° | 0% | 5 mph8 km/h from E | 58% | — | — |
| Fri 9p | Partly cloudy | 47°8° (likely 47°8° to 47°8°) | 47°8° | 0% | 0 mph0 km/h | 68% | — | — |
| Fri 10p | Mostly clear | 44°7° (likely 44°7° to 46°8°) | 44°7° | 0% | 0 mph0 km/h | 76% | — | — |
| Fri 11p | Partly cloudy | 42°6° (likely 42°6° to 45°7°) | 42°6° | 0% | 0 mph0 km/h | 82% | — | — |
| Sat 12a | Partly cloudy | 41°5° (likely 41°5° to 44°7°) | 41°5° | 0% | 0 mph0 km/h | 86% | — | — |
| Sat 1a | Mostly clear | 40°4° (likely 40°4° to 43°6°) | 40°4° | 0% | 0 mph0 km/h | 85% | — | — |
| Sat 2a | Mostly clear | 40°4° (likely 40°4° to 41°5°) | 40°4° | 0% | 0 mph0 km/h | 85% | — | — |
| Sat 3a | Partly cloudy | 38°3° (likely 38°3° to 39°4°) | 38°3° | 0% | 0 mph0 km/h | 92% | — | — |
| Sat 4a | Partly cloudy | 37°3° (likely 37°3° to 38°3°) | 37°3° | 0% | 5 mph8 km/h from N | 96% | — | — |
| Sat 5a | Partly cloudy | 37°3° (likely 37°3° to 38°3°) | 34°1° | 0% | 5 mph8 km/h from N | 96% | — | — |
| Sat 6a | Mostly clear | 36°2° (likely 36°2° to 38°3°) | 36°2° | 0% | 5 mph8 km/h from N | 100% | — | — |
| Sat 7a | Mostly sunny | 37°3° (likely 37°3° to 37°3°) | 37°3° | 0% | 5 mph8 km/h from N | 96% | — | — |
| Sat 8a | Mostly sunny | 38°3° (likely 38°3° to 38°3°) | 34°1° | 0% | 5 mph8 km/h from N | 92% | — | — |
| Sat 9a | Mostly sunny | 44°7° (likely 43°6° to 44°7°) | 42°6° | 0% | 5 mph8 km/h from N | 76% | — | — |
| Sat 10a | Mostly sunny | 51°11° (likely 49°9° to 51°11°) | 51°11° | 0% | 5 mph8 km/h from N | 61% | — | — |
| Sat 11a | Sunny | 55°13° (likely 54°12° to 55°13°) | 55°13° | 0% | 5 mph8 km/h from NE | 53% | — | — |
| Sat 12p | Sunny | 59°15° (likely 57°14° to 59°15°) | 59°15° | 0% | 5 mph8 km/h from NE | 44% | — | — |
| Sat 1p | Mostly sunny | 61°16° (likely 59°15° to 61°16°) | 61°16° | 0% | 0 mph0 km/h | 41% | — | — |
| Sat 2p | Mostly sunny | 63°17° (likely 60°16° to 63°17°) | 63°17° | 0% | 0 mph0 km/h | 36% | — | — |
| Sat 3p | Sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 0 mph0 km/h | 34% | — | — |
| Sat 4p | Mostly sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 0 mph0 km/h | 34% | — | — |
| Sat 5p | Mostly sunny | 64°18° (likely 60°16° to 64°18°) | 64°18° | 0% | 0 mph0 km/h | 35% | — | — |
| Sat 6p | Mostly clear | 61°16° (likely 56°13° to 61°16°) | 61°16° | 0% | 0 mph0 km/h | 41% | — | — |
| Sat 7p | Mostly clear | 58°14° (likely 53°12° to 58°14°) | 58°14° | 0% | 0 mph0 km/h | 47% | — | — |
| Sat 8p | Mostly clear | 54°12° (likely 50°10° to 54°12°) | 54°12° | 0% | 0 mph0 km/h | 57% | — | — |
| Sat 9p | Mostly clear | 48°9° (likely 48°9° to 48°9°) | 48°9° | 0% | 0 mph0 km/h | 74% | — | — |
| Sat 10p | Clear | 45°7° (likely 45°7° to 46°8°) | 45°7° | 0% | 0 mph0 km/h | 82% | — | — |
| Sat 11p | Clear | 44°7° (likely 44°7° to 44°7°) | 44°7° | 0% | 0 mph0 km/h | 86% | — | — |
| Sun 12a | Clear | 42°6° (likely 42°6° to 43°6°) | 42°6° | 0% | 0 mph0 km/h | 93% | — | — |
| Sun 1a | Clear | 41°5° (likely 41°5° to 41°5°) | 41°5° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 2a | Clear | 40°4° (likely 40°4° to 40°4°) | 40°4° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 3a | Mostly clear | 39°4° (likely 38°3° to 39°4°) | 39°4° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 4a | Mostly clear | 38°3° (likely 37°3° to 38°3°) | 38°3° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 5a | Mostly clear | 38°3° (likely 37°3° to 38°3°) | 38°3° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 6a | Mostly clear | 37°3° (likely 36°2° to 37°3°) | 37°3° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 7a | Mostly sunny | 37°3° (likely 36°2° to 37°3°) | 37°3° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 8a | Mostly sunny | 39°4° (likely 37°3° to 39°4°) | 39°4° | 0% | 0 mph0 km/h | 100% | — | — |
| Sun 9a | Mostly cloudy | 44°7° (likely 44°7° to 44°7°) | 44°7° | 0% | 0 mph0 km/h | 86% | — | — |
| Sun 10a | Partly sunny | 51°11° (likely 51°11° to 51°11°) | 51°11° | 0% | 0 mph0 km/h | 66% | — | — |
| Sun 11a | Sunny | 57°14° (likely 57°14° to 57°14°) | 57°14° | 0% | 0 mph0 km/h | 57% | — | — |
| Sun 12p | Sunny | 61°16° (likely 61°16° to 61°16°) | 61°16° | 0% | 0 mph0 km/h | 48% | — | — |
| Sun 1p | Sunny | 63°17° (likely 63°17° to 63°17°) | 63°17° | 0% | 0 mph0 km/h | 43% | — | — |
| Sun 2p | Sunny | 64°18° (likely 64°18° to 64°18°) | 64°18° | 0% | 0 mph0 km/h | 40% | — | — |
| Sun 3p | Sunny | 66°19° (likely 66°19° to 66°19°) | 66°19° | 0% | 0 mph0 km/h | 37% | — | — |
| Sun 4p | Sunny | 66°19° (likely 66°19° to 66°19°) | 66°19° | 0% | 0 mph0 km/h | 37% | — | — |
| Sun 5p | Sunny | 65°18° (likely 65°18° to 65°18°) | 65°18° | 0% | 0 mph0 km/h | 40% | — | — |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 23. Partly sunny. High 0°−18°, low 36°2°. Typical 64°18° / 46°8°. Dry. One forecast only.
Evening
6 PM–midnight
Partly cloudy, 50°10°Dry
Overnight
midnight–6 AM
Partly cloudy, 37°3°Dry
Official NWS forecast
Tonight: Areas of frost after midnight. Partly cloudy, with a low around 36. East wind 0 to 5 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 0°−18°
- Low, likely
- 36°2°
- Typical high / low
- 64°18° / 46°8°
- Wind
- —
Tomorrow, Oct 24. Mostly sunny. High 64°18°, low 37°3°. Typical 64°18° / 46°8°. Dry. One forecast only.
Morning
6 AM–noon
Mostly sunny, 38°3°Dry
Afternoon
noon–6 PM
Sunny, 64°18°Dry
Evening
6 PM–midnight
Mostly clear, 54°12°Dry
Overnight
midnight–6 AM
Mostly clear, 38°3°Dry
Official NWS forecast
Day: Areas of frost before 10am. Sunny, with a high near 64. Northeast wind 0 to 5 mph.
Night: Patchy frost after 10pm. Mostly clear, with a low around 37. Northwest wind around 0 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 60°16°–64°18°
- Low, likely
- 37°3°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 5 mph8 km/h
Sunday, Oct 25. Mostly sunny. High 66°19°, low 41°5°. Typical 64°18° / 46°8°. Dry. One forecast only.
Morning
6 AM–noon
Mostly cloudy, 39°4°Dry
Afternoon
noon–6 PM
Sunny, 66°19°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 41. West wind around 0 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 64°18°–66°19°
- Low, likely
- 36°2°–41°5°
- Typical high / low
- 64°18° / 46°8°
- Wind
- 5 mph8 km/h
Monday, Oct 26. Mostly sunny. High 69°21°, low 49°9°. Typical 63°17° / 45°7°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 69.
Night: Clear, with a low around 49.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 69°21°
- Low, likely
- 42°6°–49°9°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 7 mph11 km/h
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 45°7°. Typical 63°17° / 45°7°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Partly cloudy, with a low around 45.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 64°18°–66°19°
- Low, likely
- 45°7°–47°8°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 7 mph12 km/h
Wednesday, Oct 28. Partly sunny. High 63°17°, low 48°9°. Typical 63°17° / 45°7°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 48.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 62°17°–63°17°
- Low, likely
- 43°6°–48°9°
- Typical high / low
- 63°17° / 45°7°
- Wind
- 5 mph9 km/h
Thursday, Oct 29. Partly sunny. High 69°21°, low 51°11°. Typical 62°17° / 44°7°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Partly cloudy, with a low around 51.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 68°20°–69°21°
- Low, likely
- 46°8°–51°11°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 6 mph9 km/h
Friday, Oct 30. Partly sunny. High 70°21°, low 50°10°. Typical 62°17° / 44°7°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 70°21°–73°23°
- Low, likely
- 50°10°
- Typical high / low
- 62°17° / 44°7°
- Wind
- 6 mph9 km/h
The outlook
Today
Dry, high 0°, low 36°.
Tomorrow
Dry, high 64°, low 37°, warming up.
Sunday
Dry, high 66°, low 41°.
Rest of week
Mostly dry, highs 63–70°.
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
3.9 mi- Level
- -0.2 ft
Forecast peak 4.8 ft Sat 12 AM
Reading from Fri 5 PM · NWS gauge page
Delaware River at USCG Station Washington Street (IN MLLW)
6.2 mi- Level
- 3.0 ft
Forecast peak 8.0 ft Sat 12 AM
Reading from Fri 5:06 PM · NWS gauge page
Schuylkill River at Norristown
11 mi- Level
- 8.1 ft
- Flow
- 1,300 cfs
Forecast peak 8.1 ft Fri 8 PM
Reading from Fri 4:30 PM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 58% less heating than a typical week.
This week 31Typical 75
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 19 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 34°F).
Open the windows?
Sat, 1:00 PM–6:00 PM
Good stretch to open the windows.
Is this typical?
Philadelphia International Airport · official normals 1991–2020 · records 1873–2026
Oct 23, today vs a typical year
Today’s expected high is 64°36° colder than typical.
- Normal high / low
- 64°18° / 46°8°
- Forecast high / low
- 0°−18° / 36°2°
- Record high
- 87°31° in 1947
- Record low
- 31°−1° in 1944
Last 7 days vs normal
On average 1° colder than normal (daily mean temperature).
- −4°−2°SatOct 17
- −6°−3°SunOct 18
- −2°−1°MonOct 19
- +3°+1°TueOct 20
- +2°+1°WedOct 21
- +2°+1°ThuOct 22
- —FriOct 23
Millbourne weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:20 AM, sunset 6:09 PM.
- Daylight
- 10 h 50 min
- Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
- Golden hour
- 5:32–6:26 PM
- Morning 7:03–7:57 AM
- Blue hour
- 6:26–6:37 PM
- Morning 6:52–7:03 AM; first light 6:52 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
94% lit · growing
- Today
- sets 4:24 AM · rises 4:40 PM
- Full moon
- Oct 26
- New moon
- Nov 9
