Delaware River at USCG Station Washington Street (IN MLLW)
4.6 mi- Level
- 4.2 ft
Forecast peak 7.9 ft Sat 1 PM
Reading from Sat 9 AM · NWS gauge page
Appearance
Observed 8:55 AM EDT at KPHL
Sunny and 46°8°.
Today: low 38°3° (likely 36°2° to 40°4°), high 65°18° (likely 61°16° to 65°18°).
Now 46°8°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 9a | Sunny | 43°6° (likely 41°5° to 45°7°) | 43°6° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 79% | 23% | 0 |
| Sat 10a | Sunny | 50°10° (likely 46°8° to 50°10°) | 50°10° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 63% | 23% | 1 |
| Sat 11a | Sunny | 54°12° (likely 50°10° to 55°13°) | 54°12° | 0% | 0 mph0 km/h, gusts 5 mph9 km/h | 54% | 7% | 2 |
| Sat 12p | Sunny | 57°14° (likely 54°12° to 59°15°) | 57°14° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 47% | 6% | 3 |
| Sat 1p | Sunny | 60°16° (likely 57°14° to 61°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 3 mph6 km/h | 41% | 4% | 3 |
| Sat 2p | Sunny | 62°17° (likely 59°15° to 62°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 36% | 4% | 3 |
| Sat 3p | Sunny | 62°17° (likely 61°16° to 63°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 36% | 3% | 2 |
| Sat 4p | Sunny | 64°18° (likely 61°16° to 64°18°) | 64°18° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 32% | 1% | 1 |
| Sat 5p | Sunny | 62°17° (likely 60°16° to 62°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 35% | 0% | 0 |
| Sat 6p | Clear | 60°16° (likely 56°13° to 60°16°) | 60°16° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 42% | 0% | 0 |
| Sat 7p | Clear | 56°13° (likely 52°11° to 56°13°) | 56°13° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 51% | 0% | 0 |
| Sat 8p | Clear | 51°11° (likely 51°11° to 53°12°) | 51°11° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 61% | 0% | 0 |
| Sat 9p | Clear | 49°9° (likely 49°9° to 52°11°) | 49°9° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 68% | 0% | 0 |
| Sat 10p | Clear | 47°8° (likely 46°8° to 49°9°) | 47°8° | 0% | 0 mph0 km/h, gusts 2 mph3 km/h | 76% | 0% | 0 |
| Sat 11p | Clear | 46°8° (likely 45°7° to 47°8°) | 46°8° | 0% | 0 mph0 km/h, gusts 2 mph4 km/h | 79% | 0% | 0 |
| Sun 12a | Clear | 44°7° (likely 44°7° to 46°8°) | 44°7° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 82% | 0% | 0 |
| Sun 1a | Clear | 43°6° (likely 43°6° to 46°8°) | 43°6° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 86% | 0% | 0 |
| Sun 2a | Clear | 42°6° (likely 40°4° to 45°7°) | 42°6° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 86% | 3% | 0 |
| Sun 3a | Clear | 40°4° (likely 39°4° to 44°7°) | 40°4° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 89% | 3% | 0 |
| Sun 4a | Clear | 40°4° (likely 39°4° to 42°6°) | 40°4° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 89% | 3% | 0 |
| Sun 5a | Clear | 39°4° (likely 38°3° to 41°5°) | 39°4° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 89% | 4% | 0 |
| Sun 6a | Clear | 38°3° (likely 37°3° to 41°5°) | 38°3° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 89% | 4% | 0 |
| Sun 7a | Sunny | 38°3° (likely 36°2° to 40°4°) | 38°3° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 89% | 7% | 0 |
| Sun 8a | Sunny | 39°4° (likely 37°3° to 41°5°) | 39°4° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 89% | 6% | 0 |
| Sun 9a | Sunny | 45°7° (likely 41°5° to 45°7°) | 45°7° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 76% | 2% | 1 |
| Sun 10a | Sunny | 52°11° (likely 49°9° to 52°11°) | 52°11° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 61% | 0% | 2 |
| Sun 11a | Sunny | 57°14° (likely 53°12° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 51% | 0% | 3 |
| Sun 12p | Sunny | 60°16° (likely 57°14° to 62°17°) | 60°16° | 0% | 0 mph0 km/h, gusts 5 mph7 km/h | 44% | 0% | 4 |
| Sun 1p | Sunny | 63°17° (likely 60°16° to 64°18°) | 63°17° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 36% | 0% | 4 |
| Sun 2p | Sunny | 64°18° (likely 61°16° to 66°19°) | 64°18° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 34% | 0% | 4 |
| Sun 3p | Sunny | 65°18° (likely 62°17° to 66°19°) | 65°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 33% | 0% | 3 |
| Sun 4p | Sunny | 66°19° (likely 62°17° to 66°19°) | 66°19° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 33% | 0% | 2 |
| Sun 5p | Sunny | 65°18° (likely 61°16° to 65°18°) | 65°18° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 35% | 0% | 1 |
| Sun 6p | Clear | 62°17° (likely 56°13° to 62°17°) | 62°17° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 43% | 0% | 0 |
| Sun 7p | Clear | 57°14° (likely 53°12° to 57°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 53% | 0% | 0 |
| Sun 8p | Clear | 52°11° (likely 50°10° to 54°12°) | 52°11° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 63% | 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 | 71% | 0% | 0 |
| Sun 10p | Clear | 48°9° (likely 46°8° to 50°10°) | 48°9° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 77% | 1% | 0 |
| Sun 11p | Clear | 46°8° (likely 45°7° to 49°9°) | 46°8° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 83% | 2% | 0 |
| Mon 12a | Clear | 45°7° (likely 43°6° to 47°8°) | 45°7° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 82% | 1% | 0 |
| Mon 1a | Clear | 44°7° (likely 42°6° to 48°9°) | 44°7° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 86% | 2% | 0 |
| Mon 2a | Clear | 43°6° (likely 40°4° to 48°9°) | 43°6° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 86% | 2% | 0 |
| Mon 3a | Clear | 42°6° (likely 37°3° to 52°11°) | 42°6° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 86% | 0% | 0 |
| Mon 4a | Clear | 41°5° (likely 36°2° to 52°11°) | 41°5° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 89% | 0% | 0 |
| Mon 5a | Clear | 41°5° (likely 36°2° to 51°11°) | 41°5° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 89% | 0% | 0 |
| Mon 6a | Clear | 40°4° (likely 36°2° to 51°11°) | 40°4° | 0% | 0 mph0 km/h, gusts 6 mph9 km/h | 92% | 0% | 0 |
| Mon 7a | Mostly sunny | 40°4° (likely 37°3° to 50°10°) | 40°4° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 92% | 3% | 0 |
| Mon 8a | Mostly sunny | 42°6° (likely 38°3° to 51°11°) | 42°6° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 100% | 10% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Patchy frost before 10am. Sunny, with a high near 65. Northeast 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.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 67. 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.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69. West wind 0 to 5 mph.
Night: Clear, with a low around 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
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 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
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 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Mostly clear, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
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 49.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
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.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
20% chance
Overnight
midnight–6 AM
20% 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.
Morning
6 AM–noon
20% chance
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance · 0.03 in0.8 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.
Dry, high 65°, low 38°.
Dry, high 67°, low 40°.
Dry, high 69°, low 49°.
Mostly dry, highs 64–71°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PHI) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 7.9 ft Sat 1 PM
Reading from Sat 9 AM · NWS gauge page
Forecast peak 4.8 ft Sat 1 PM
Reading from Sat 8:45 AM · NWS gauge page
Forecast peak 6.0 ft Sat 2 PM
Reading from Sat 8 AM · NWS gauge page
Reading from Sat 8 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 63% less heating than a typical week.
Heating degree days, base 65°F
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.
Dry air outside (dew point 36°F).
Today, 1:00 PM–6:00 PM
Good stretch to open the windows.
Today’s expected high is about typical for the date.
On average 1°0° colder than normal (daily mean temperature).
Mount Ephraim weather by month: normals, records, snow and freeze dates
Sunrise 7:20 AM, sunset 6:08 PM.
Clear 6:35 PM–6:53 AM, but the moon is 99% lit and up.
Waxing gibbous
97% lit · growing