Freeze Warning
Ends in 7 h 25 min
When
From midnight tonight to 9 AM EDT Saturday.
Where
In New Jersey, Morris, Somerset, and Hunterdon Counties. In Pennsylvania, Berks, Lehigh, Upper Bucks, Western Chester, and Western Montgomery Counties.
Issued for this forecast zone · National Weather Service Mount Holly NJ
What, impacts and precautionsHide details
What
Sub-freezing temperatures as low as 30 degrees expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Morris; Hunterdon; Somerset; Berks; Lehigh; Western Chester; Western Montgomery; Upper Bucks
See it on weather.gov (opens in a new tab)

Observed 12:45 AM EDT at KPTW

Phoenixville, PA weather

Freeze Warning. 36°2° and clear now.

Forecasts agree

Now 36°2°

Clear

Wind: Calm; Light through 1 PM
Dew point: 34°1°; Dry, static shocks likely
Humidity: 93%; Air 36°2°, dew point 34°1° · frost likely
UV index: 0Low; Moderate 11 AM–4 PM · peak 4
Air quality: 56Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.49 inHg1033 hPa; Rising slowly · +0.02 inHg+0.8 hPa next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below freezing tonight 5–8 AM (low 31°−1°)
Low 31°−1° today at 6 AM
Above 50°10° today by 11 AM
High 63°17° today at 3 PM
Below 50°10° tonight after 8 PM

TonightNear 34°1° · freezing, low 32°0° · Clear
This morningUp to 54°12° by 11 AM · freezing, low 31°−1° · Clear
This afternoonUp to 63°17° by 3 PM · Clear
TonightDown to 34°1° by 5 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 3 PM · Clear
Tomorrow nightDown to 43°6° by 11 PM · Clear

Hourly forecast, next 47 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 1a	Clear	35°2° (likely 35°2° to 43°6°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	3%	0
Sat 2a	Clear	35°2° (likely 35°2° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	2%	0
Sat 3a	Clear	33°1° (likely 33°1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	5%	0
Sat 4a	Clear	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	10%	0
Sat 5a	Mostly clear	32°0° (likely 32°0° to 38°3°)	32°0°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	20%	0
Sat 6a	Mostly clear	31°−1° (likely 31°−1° to 37°3°)	31°−1°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	34%	0
Sat 7a	Sunny	32°0° (likely 32°0° to 37°3°)	32°0°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	25%	0
Sat 8a	Sunny	33°1° (likely 33°1° to 38°3°)	33°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	20%	0
Sat 9a	Sunny	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	21%	1
Sat 10a	Sunny	49°9° (likely 46°8° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	61%	17%	2
Sat 11a	Sunny	54°12° (likely 52°11° to 55°13°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	52%	26%	3
Sat 12p	Sunny	58°14° (likely 56°13° to 59°15°)	58°14°	0%	0 mph0 km/h, gusts 3 mph4 km/h	47%	9%	4
Sat 1p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 3 mph5 km/h	41%	7%	4
Sat 2p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 3 mph5 km/h	39%	6%	4
Sat 3p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 3 mph4 km/h	36%	4%	3
Sat 4p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 3 mph4 km/h	36%	2%	2
Sat 5p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 2 mph4 km/h	39%	0%	1
Sat 6p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 5 mph7 km/h	44%	0%	0
Sat 7p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph7 km/h	51%	0%	0
Sat 8p	Clear	48°9° (likely 48°9° to 52°11°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	65%	0%	0
Sat 9p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	79%	0%	0
Sat 10p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	82%	0%	0
Sat 11p	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	93%	0%	0
Sun 12a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 2 mph4 km/h	96%	0%	0
Sun 1a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 2a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 3a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 4a	Clear	35°2° (likely 35°2° to 40°4°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 5a	Clear	34°1° (likely 34°1° to 39°4°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 6a	Clear	33°1° (likely 32°0° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	9%	0
Sun 7a	Sunny	33°1° (likely 31°−1° to 38°3°)	33°1°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	12%	0
Sun 8a	Sunny	35°2° (likely 32°0° to 38°3°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	13%	0
Sun 9a	Sunny	42°6° (likely 38°3° to 43°6°)	42°6°	0%	0 mph0 km/h, gusts 2 mph4 km/h	89%	1%	1
Sun 10a	Sunny	50°10° (likely 48°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 3 mph4 km/h	68%	3%	2
Sun 11a	Sunny	57°14° (likely 55°13° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph7 km/h	62%	5%	3
Sun 12p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	51%	3%	4
Sun 1p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 6 mph10 km/h	46%	3%	4
Sun 2p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 6 mph10 km/h	41%	3%	4
Sun 3p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 6 mph10 km/h	40%	3%	3
Sun 4p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 6 mph9 km/h	40%	4%	2
Sun 5p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	43%	2%	1
Sun 6p	Clear	61°16° (likely 56°13° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	51%	0%	0
Sun 7p	Clear	55°13° (likely 53°12° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	66%	0%	0
Sun 8p	Clear	50°10° (likely 49°9° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	0%	0
Sun 9p	Clear	47°8° (likely 42°6° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	0%	0
Sun 10p	Clear	45°7° (likely 39°4° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	0%	0
Sun 11p	Clear	43°6° (likely 38°3° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0

Days ahead

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

Today, Oct 24. Sunny. High 63°17°, low 31°−1°. Typical 64°18° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Today: Areas of frost before 10am. Sunny, with a high near 63. East wind around 0 mph.
Tonight: Areas of frost. Partly cloudy, with a low around 31. Southwest wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–63°17°
Low, likely
31°−1°–37°3°
Typical high / low
64°18° / 41°5°
Wind
5 mph8 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 66°19°, low 37°3°. Typical 64°18° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  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, 37°3°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny, with a high near 66. Northwest wind around 0 mph.
Night: Clear, with a low around 37. Northwest wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
30°−1°–37°3°
Typical high / low
64°18° / 41°5°
Wind
6 mph9 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 45°7°. Typical 64°18° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
32°0°–45°7°
Typical high / low
64°18° / 40°4°
Wind
8 mph13 km/h, gusts 15 mph25 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 66°19°, low 41°5°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–66°19°
Low, likely
41°5°–46°8°
Typical high / low
63°17° / 40°4°
Wind
10 mph16 km/h, gusts 22 mph35 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 63°17°, low 45°7°. Typical 63°17° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–63°17°
Low, likely
36°2°–45°7°
Typical high / low
63°17° / 40°4°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 68°20°, low 49°9°. Typical 62°17° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. 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 68.
Night: Partly cloudy, with a low around 49.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–68°20°
Low, likely
41°5°–49°9°
Typical high / low
62°17° / 39°4°
Wind
9 mph14 km/h, gusts 28 mph46 km/h
UV peak
4
Friday, Oct 30. Sunny. High 70°21°, low 46°8°. Typical 62°17° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  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, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
43°6°–49°9°
Typical high / low
62°17° / 39°4°
Wind
7 mph12 km/h, gusts 17 mph28 km/h
UV peak
4
Saturday, Oct 31. Sunny. High 68°20°, low 45°7°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–72°22°
Low, likely
39°4°–50°10°
Typical high / low
62°17° / 39°4°
Wind
11 mph17 km/h, gusts 17 mph27 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 66°19°, low 47°8°. Typical 61°16° / 38°3°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 57°14°
  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.
High, likely
59°15°–70°21°
Low, likely
43°6°–54°12°
Typical high / low
61°16° / 38°3°
Wind
8 mph14 km/h, gusts 18 mph29 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 63°17°, low 55°13°. Typical 61°16° / 38°3°. Rain 0.24 in6.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 55°13°
  20% chance · 0.04 in0.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 60°15°
  20% chance · 0.15 in3.9 mm
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  30% chance · 0.09 in2.4 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
53°12°–69°21°
Low, likely
48°9°–59°15°
Typical high / low
61°16° / 38°3°
Wind
15 mph24 km/h, gusts 41 mph65 km/h

10 days15 days30 days

The outlook

Today
Dry, high 63°, low 31°.
Tomorrow
Dry, high 66°, low 37°, warming up.
Monday
Dry, high 69°, low 45°, warming up.
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

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Perkiomen Creek at Graterford

7.5 mi

Below flood stage

Level: 1.1 ft
Flow: 97 cfs

Forecast peak 1.1 ft Sat 2 AM

Reading from Fri 11:15 PM · NWS gauge page

Schuylkill River at Norristown

9.4 mi

Below flood stage

Level: 8.1 ft
Flow: 1,360 cfs

Forecast peak 8.1 ft Sat 2 AM

Reading from Fri 11:30 PM · NWS gauge page

Schuylkill River at Pottstown

10 mi

Below flood stage

Level: 2.1 ft
Flow: 918 cfs

Forecast peak 2.1 ft Sat 2 AM

Reading from Fri 11:15 PM · NWS gauge page

Brandywine Creek at Chadds Ford

19 mi

Below flood stage

Level: 1.9 ft
Flow: 207 cfs

Forecast peak 1.9 ft Sat 2 AM

Reading from Fri 11:30 PM · NWS gauge page

For your home

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

Heating this week

About 64% less heating than a typical week.

This week 34Typical 94

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 24
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?

Today, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

PHOENIXVILLE 1 E · official normals 1991–2020 · records 1893–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

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

−5°−3°SunOct 18
−2°−1°MonOct 19
+1°±0°TueOct 20
−1°WedOct 21
+1°±0°ThuOct 22
—FriOct 23
—SatOct 24

Phoenixville 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: 5:31–6:26 PM; Morning 7:05–8:00 AM
Blue hour: 6:26–6:37 PM; Morning 6:54–7:05 AM; first light 6:54 AM

Stars tonight? Fair

Mostly clear 1:35–6 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

95% lit · growing

Today: sets 5:34 AM · rises 5:06 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from Phoenixville. The highest point on the skyline is about 4,400 ft, 66 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

Freeze Warning

Phoenixville, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Perkiomen Creek at Graterford

Schuylkill River at Norristown

Schuylkill River at Pottstown

Brandywine Creek at Chadds Ford

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