Skip to forecast
Search a place

Observed 11:00 AM EDT at KILG

West Chester, PA weather

Sunny and 57°14°, jacket by 7 PM.

Today: low 34°1° (likely 34°1° to 45°7°), high 60°16° (likely 59°15° to 61°16°).

Forecasts agree

Now 57°14°

Sunny

Wind
14 mph22 km/h
From the east-northeast. 58–14 mph22 km/h through 11 PM
Dew point
37°3°
Comfortable · down to 29°−2° by 10 PM (dry)
UV index
2Low
Moderate 12–3 PM · peak 3
Air quality
26Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.37 inHg1028 hPa
Rising slowly · +0.03 inHg+1.1 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • High 60°16° today at 3 PM
  • Below 50°10° tonight after 8 PM
  • Low 35°2° tomorrow at 6 AM
  • Above 50°10° tomorrow by 10 AM
  1. This afternoonUp to 60°16° by 3 PM · Clear
  2. TonightDown to 36°2° by 4 AM · Partly cloudy
  3. Tomorrow morningUp to 54°12° by 11 AM · Clear
  4. Tomorrow afternoonUp to 61°16° by 2 PM · Clear
  5. Tomorrow nightDown to 36°2° by 4 AM · Clear
  6. Sunday morningUp to 50°10° by 10 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Fri 11aSunny55°13° (likely 55°13° to 55°13°)55°13°0%10 mph16 km/h from NE, gusts 19 mph30 km/h49%0%2
Fri 12pSunny57°14° (likely 57°14° to 58°14°)57°14°0%10 mph16 km/h from NE, gusts 17 mph27 km/h43%1%3
Fri 1pSunny58°14° (likely 58°14° to 59°15°)58°14°0%10 mph16 km/h from NE, gusts 14 mph23 km/h39%1%3
Fri 2pSunny59°15° (likely 59°15° to 60°16°)59°15°0%10 mph16 km/h from NE, gusts 12 mph20 km/h37%3%3
Fri 3pSunny60°16° (likely 59°15° to 61°16°)60°16°0%10 mph16 km/h from NE, gusts 11 mph18 km/h35%2%2
Fri 4pSunny60°16° (likely 59°15° to 60°16°)60°16°0%5 mph8 km/h from NE, gusts 11 mph17 km/h36%1%1
Fri 5pSunny60°16° (likely 58°14° to 60°16°)60°16°0%5 mph8 km/h from NE, gusts 10 mph16 km/h36%0%0
Fri 6pClear58°14° (likely 54°12° to 58°14°)58°14°0%5 mph8 km/h from NE, gusts 9 mph15 km/h37%0%0
Fri 7pClear52°11° (likely 50°10° to 52°11°)52°11°0%5 mph8 km/h from NE, gusts 7 mph11 km/h46%28%0
Fri 8pMostly clear48°9° (likely 47°8° to 49°9°)45°7°0%5 mph8 km/h from NE, gusts 6 mph10 km/h51%19%0
Fri 9pMostly clear46°8° (likely 45°7° to 47°8°)43°6°0%5 mph8 km/h from NE, gusts 7 mph11 km/h53%22%0
Fri 10pPartly cloudy43°6° (likely 43°6° to 46°8°)40°4°0%5 mph8 km/h from NE, gusts 7 mph11 km/h57%56%0
Fri 11pPartly cloudy41°5° (likely 41°5° to 45°7°)39°4°0%5 mph8 km/h from NE, gusts 6 mph9 km/h62%68%0
Sat 12aMostly clear40°4° (likely 40°4° to 45°7°)38°3°0%5 mph8 km/h from NE, gusts 5 mph8 km/h64%54%0
Sat 1aMostly clear40°4° (likely 40°4° to 44°7°)38°3°0%5 mph8 km/h from NE, gusts 3 mph5 km/h64%45%0
Sat 2aClear39°4° (likely 39°4° to 42°6°)36°2°0%5 mph8 km/h from NE, gusts 3 mph5 km/h70%38%0
Sat 3aClear37°3° (likely 37°3° to 41°5°)33°1°0%5 mph8 km/h from NE, gusts 3 mph5 km/h75%40%0
Sat 4aMostly clear36°2° (likely 36°2° to 40°4°)32°0°0%5 mph8 km/h from N, gusts 4 mph6 km/h79%46%0
Sat 5aMostly clear36°2° (likely 36°2° to 39°4°)32°0°0%5 mph8 km/h from N, gusts 5 mph8 km/h79%35%0
Sat 6aMostly clear35°2° (likely 35°2° to 39°4°)31°−1°0%5 mph8 km/h from N, gusts 6 mph9 km/h82%22%0
Sat 7aMostly sunny36°2° (likely 35°2° to 39°4°)32°0°0%5 mph8 km/h from N, gusts 6 mph10 km/h79%17%0
Sat 8aSunny37°3° (likely 35°2° to 40°4°)32°0°0%5 mph8 km/h from N, gusts 7 mph11 km/h79%31%0
Sat 9aPartly sunny42°6° (likely 41°5° to 46°8°)38°3°0%5 mph8 km/h from N, gusts 6 mph10 km/h67%23%1
Sat 10aPartly sunny50°10° (likely 49°9° to 51°11°)48°9°0%5 mph8 km/h from NE, gusts 5 mph8 km/h54%21%2
Sat 11aSunny54°12° (likely 54°12° to 56°13°)54°12°0%5 mph8 km/h from NE, gusts 7 mph11 km/h48%12%3
Sat 12pSunny57°14° (likely 56°13° to 59°15°)57°14°0%5 mph8 km/h from NE, gusts 7 mph11 km/h43%17%4
Sat 1pSunny59°15° (likely 58°14° to 60°16°)59°15°0%0 mph0 km/h, gusts 6 mph9 km/h40%4%4
Sat 2pSunny61°16° (likely 59°15° to 61°16°)61°16°0%5 mph8 km/h from S, gusts 5 mph8 km/h36%2%4
Sat 3pSunny61°16° (likely 59°15° to 62°17°)61°16°0%5 mph8 km/h from S, gusts 5 mph7 km/h36%2%3
Sat 4pSunny61°16° (likely 59°15° to 61°16°)61°16°0%5 mph8 km/h from SW, gusts 4 mph7 km/h35%2%2
Sat 5pSunny61°16° (likely 58°14° to 61°16°)61°16°0%5 mph8 km/h from SW, gusts 4 mph6 km/h35%0%1
Sat 6pClear58°14° (likely 54°12° to 58°14°)58°14°0%5 mph8 km/h from SW, gusts 4 mph6 km/h39%0%0
Sat 7pClear54°12° (likely 51°11° to 54°12°)54°12°0%5 mph8 km/h from SW, gusts 2 mph3 km/h43%1%0
Sat 8pClear51°11° (likely 48°9° to 51°11°)51°11°0%5 mph8 km/h from SW, gusts 4 mph6 km/h48%8%0
Sat 9pClear45°7° (likely 45°7° to 48°9°)44°7°0%5 mph8 km/h from SW, gusts 5 mph7 km/h60%8%0
Sat 10pClear43°6° (likely 43°6° to 47°8°)41°5°0%5 mph8 km/h from SW, gusts 5 mph7 km/h65%2%0
Sat 11pClear42°6° (likely 42°6° to 45°7°)42°6°0%0 mph0 km/h, gusts 4 mph7 km/h67%2%0
Sun 12aClear41°5° (likely 41°5° to 43°6°)41°5°0%0 mph0 km/h, gusts 4 mph6 km/h73%0%0
Sun 1aClear39°4° (likely 39°4° to 43°6°)37°3°0%5 mph8 km/h from W, gusts 3 mph5 km/h79%0%0
Sun 2aClear38°3° (likely 37°3° to 42°6°)34°1°0%5 mph8 km/h from W, gusts 3 mph5 km/h85%0%0
Sun 3aClear37°3° (likely 35°2° to 41°5°)33°1°0%5 mph8 km/h from NW, gusts 3 mph5 km/h92%0%0
Sun 4aClear36°2° (likely 34°1° to 41°5°)32°0°0%5 mph8 km/h from NW, gusts 3 mph5 km/h96%0%0
Sun 5aClear36°2° (likely 33°1° to 41°5°)32°0°0%5 mph8 km/h from NW, gusts 3 mph5 km/h100%2%0
Sun 6aClear35°2° (likely 32°0° to 41°5°)31°−1°0%5 mph8 km/h from NW, gusts 4 mph6 km/h100%4%0
Sun 7aSunny35°2° (likely 32°0° to 41°5°)30°−1°0%5 mph8 km/h from NW, gusts 4 mph6 km/h100%1%0
Sun 8aSunny37°3° (likely 33°1° to 42°6°)32°0°0%5 mph8 km/h from NW, gusts 4 mph7 km/h100%1%0
Sun 9aSunny43°6° (likely 37°3° to 48°9°)39°4°0%5 mph8 km/h from NW, gusts 4 mph6 km/h79%1%1
Sun 10aSunny50°10° (likely 45°7° to 52°11°)47°8°0%5 mph8 km/h from NW, gusts 4 mph7 km/h61%0%2

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 23. Mostly sunny. High 60°16°, low 34°1°. Typical 65°18° / 41°5°. Dry. Forecasts agree.
    1. Afternoon

      noon–6 PM

      Sunny, 60°16°

      Dry

    2. Evening

      6 PM–midnight

      Mostly clear, 48°9°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 36°2°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 60. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Tonight: Areas of frost after 2am. Mostly clear, with a low around 34. Northeast wind around 5 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    59°15°–61°16°
    Low, likely
    34°1°–45°7°
    Typical high / low
    65°18° / 41°5°
    Wind
    11 mph18 km/h, gusts 24 mph39 km/h
    UV peak
    4
  2. Tomorrow, Oct 24. Mostly sunny. High 61°16°, low 35°2°. Typical 64°18° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 61°16°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 36°2°

      Dry

    Official NWS forecast

    Day: Areas of frost before 9am. Sunny, with a high near 61. East wind 0 to 5 mph.

    Night: Areas of frost after 1am. Mostly clear, with a low around 35. West wind 0 to 5 mph.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    59°15°–62°17°
    Low, likely
    35°2°–39°4°
    Typical high / low
    64°18° / 41°5°
    Wind
    6 mph10 km/h
    UV peak
    4
  3. Sunday, Oct 25. Sunny. High 65°18°, low 38°3°. Typical 64°18° / 41°5°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 40°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Areas of frost before 9am. Sunny, with a high near 65. West wind around 5 mph.

    Night: Mostly clear, with a low around 38.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    61°16°–65°18°
    Low, likely
    32°0°–40°4°
    Typical high / low
    64°18° / 41°5°
    Wind
    5 mph9 km/h
    UV peak
    4
  4. Monday, Oct 26. Mostly sunny. High 68°20°, low 47°8°. Typical 64°18° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 40°5°

      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, 50°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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    65°18°–69°21°
    Low, likely
    34°1°–47°8°
    Typical high / low
    64°18° / 40°4°
    Wind
    7 mph12 km/h, gusts 17 mph28 km/h
    UV peak
    4
  5. Tuesday, Oct 27. Mostly sunny. High 64°18°, low 41°5°. Typical 63°17° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 49°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 64°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 43°6°

      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.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    62°17°–66°19°
    Low, likely
    41°5°–50°10°
    Typical high / low
    63°17° / 40°4°
    Wind
    9 mph15 km/h, gusts 22 mph36 km/h
    UV peak
    4
  6. Wednesday, Oct 28. Cloudy. High 60°16°, low 43°6°. Typical 63°17° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 60°16°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 53°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 47°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 60.

    Night: Mostly cloudy, with a low around 43.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    59°15°–63°17°
    Low, likely
    39°4°–49°9°
    Typical high / low
    63°17° / 40°4°
    Wind
    6 mph10 km/h, gusts 15 mph25 km/h
    UV peak
    2
  7. Thursday, Oct 29. Partly sunny. High 66°19°, low 45°7°. Typical 62°17° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 46°8°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      Dry

    4. 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 66.

    Night: Partly cloudy, with a low around 45.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–69°21°
    Low, likely
    40°4°–51°11°
    Typical high / low
    62°17° / 39°4°
    Wind
    13 mph22 km/h, gusts 31 mph50 km/h
    UV peak
    3
  8. Friday, Oct 30. Cloudy. High 68°20°, low 50°10°. Typical 62°17° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 49°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 67°19°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 57°14°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 49°10°

      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
    65°18°–72°22°
    Low, likely
    46°8°–52°11°
    Typical high / low
    62°17° / 39°4°
    Wind
    8 mph12 km/h, gusts 20 mph32 km/h
    UV peak
    4
  9. Saturday, Oct 31. Cloudy. High 60°16°, low 47°8°. Typical 62°17° / 39°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 58°14°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 50°10°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 44°6°

      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
    55°13°–68°20°
    Low, likely
    41°5°–54°12°
    Typical high / low
    62°17° / 39°4°
    Wind
    11 mph17 km/h, gusts 23 mph37 km/h
    UV peak
    2
  10. Sunday, Nov 1. Rain. High 62°17°, low 49°9°. Typical 61°16° / 38°3°. Rain 0.59 in15 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 57°14°

      Dry

    3. Evening

      6 PM–midnight

      Rain, 52°11°

      30% chance · 0.41 in10 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
    58°14°–66°19°
    Low, likely
    38°3°–56°13°
    Typical high / low
    61°16° / 38°3°
    Wind
    11 mph18 km/h, gusts 28 mph44 km/h

The outlook

  1. Today

    Dry, high 60°, low 34°.

  2. Tomorrow

    Dry, high 61°, low 35°.

  3. Sunday

    Dry, high 65°, low 38°, warming up.

  4. Rest of week

    Mostly dry, highs 60–68°.

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

Brandywine Creek at Chadds Ford

6.3 mi
Below flood stage
Level
1.9 ft
Flow
210 cfs

Forecast peak 1.9 ft Fri 2 PM

Reading from Fri 9:30 AM · NWS gauge page

Brandywine Creek at Wilmington

13 mi
Below flood stage
Level
18.7 ft
Flow
236 cfs

Forecast peak 18.7 ft Fri 2 PM

Reading from Fri 9:30 AM · NWS gauge page

East Branch Brandywine Creek below Downingtown

3.7 mi
Below flood stage
Level
3.1 ft
Flow
69 cfs

Reading from Fri 9:30 AM · NWS gauge page

West Branch Brandywine Creek at Modena

10 mi
Below flood stage
Level
2.9 ft
Flow
30 cfs

Reading from Fri 9:30 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 36Typical 92

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
26
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 8 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Today, 3:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

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

Oct 23, today vs a typical year

Today’s expected high is 5°3° colder than typical.

Normal high / low
65°18° / 41°5°
Forecast high / low
60°16° / 34°1°
Record high
90°32° in 1947
Record low
23°−5° in 1944

Last 7 days vs normal

  1. —SatOct 17
  2. —SunOct 18
  3. —MonOct 19
  4. —TueOct 20
  5. —WedOct 21
  6. —ThuOct 22
  7. —FriOct 23

West Chester weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:21 AM, sunset 6:11 PM.

Daylight
10 h 50 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
Golden hour
5:34–6:28 PM
Morning 7:04–7:58 AM
Blue hour
6:28–6:38 PM
Morning 6:53–7:04 AM; first light 6:53 AM

Stars tonight? Fair

Mostly clear 8–10 PM, but the moon is 95% lit and up.

Moon

Waxing gibbous

92% lit · growing

Today
sets 4:25 AM · rises 4:42 PM
Full moon
Oct 26
New moon
Nov 9
Looking northwest from West Chester. The highest point on the skyline is about 3,100 ft, 40 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.