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Observed 11:25 AM EDT at KAFJ

Canonsburg, PA weather

Sunny and 55°13°, jacket by 8 PM.

Today: low 36°2° (likely 36°2° to 39°4°), high 65°18° (likely 62°17° to 65°18°).

Forecasts agree

Now 55°13°

Sunny

Wind
3 mph5 km/h
From the east-northeast. Light through 11 PM
Dew point
45°7°
Comfortable
UV index
3Moderate
Moderate until 5 PM · peak 4
Air quality
64Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.5 inHg1033 hPa
Falling slowly · −0.02 inHg−0.6 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

3°2° cooler than this time yesterday (57°14° then, 54°12° now)

Good hours for
  • High 64°18° today at 3 PM
  • Below 50°10° tonight after 9 PM
  • Low 36°2° tomorrow at 7 AM
  • Above 50°10° tomorrow by 11 AM
  1. This afternoonUp to 64°18° by 3 PM · Clear
  2. TonightDown to 37°3° by 5 AM · Clear
  3. Tomorrow morningUp to 54°12° by 11 AM · Clear
  4. Tomorrow afternoonUp to 66°19° by 4 PM · Clear
  5. Tomorrow nightDown to 39°4° by 5 AM · Clear
  6. Monday morningUp to 50°10° by 10 AM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aSunny54°12° (likely 53°12° to 55°13°)54°12°0%2 mph3 km/h from SE, gusts 7 mph11 km/h67%3%3
Sat 12pSunny58°14° (likely 57°14° to 58°14°)58°14°0%2 mph3 km/h from SE, gusts 5 mph8 km/h56%2%3
Sat 1pSunny61°16° (likely 60°16° to 61°16°)61°16°0%2 mph3 km/h from SE, gusts 5 mph8 km/h52%2%4
Sat 2pSunny63°17° (likely 61°16° to 63°17°)63°17°0%2 mph3 km/h from SE, gusts 4 mph7 km/h49%0%4
Sat 3pSunny64°18° (likely 62°17° to 64°18°)64°18°0%2 mph3 km/h from SE, gusts 4 mph7 km/h47%1%4
Sat 4pSunny64°18° (likely 62°17° to 64°18°)65°18°0%3 mph5 km/h from E, gusts 5 mph8 km/h45%4%3
Sat 5pSunny64°18° (likely 62°17° to 64°18°)64°18°0%3 mph5 km/h from E, gusts 5 mph9 km/h44%7%2
Sat 6pClear61°16° (likely 58°14° to 61°16°)61°16°0%3 mph5 km/h from E, gusts 7 mph11 km/h48%5%1
Sat 7pClear57°14° (likely 54°12° to 57°14°)57°14°0%3 mph5 km/h from E, gusts 6 mph10 km/h54%1%0
Sat 8pClear51°11° (likely 51°11° to 52°11°)51°11°0%3 mph5 km/h from E, gusts 6 mph9 km/h71%1%0
Sat 9pClear48°9° (likely 48°9° to 50°10°)47°8°0%3 mph5 km/h from SE, gusts 7 mph11 km/h77%7%0
Sat 10pClear46°8° (likely 46°8° to 48°9°)45°7°0%3 mph5 km/h from SE, gusts 8 mph13 km/h81%2%0
Sat 11pClear44°7° (likely 44°7° to 47°8°)43°6°0%3 mph5 km/h from SE, gusts 7 mph11 km/h84%2%0
Sun 12aClear43°6° (likely 43°6° to 46°8°)43°6°0%2 mph3 km/h from SE, gusts 7 mph11 km/h86%0%0
Sun 1aClear41°5° (likely 41°5° to 44°7°)41°5°0%2 mph3 km/h from E, gusts 6 mph10 km/h88%0%0
Sun 2aClear40°4° (likely 40°4° to 43°6°)41°5°0%1 mph2 km/h from E, gusts 5 mph8 km/h90%0%0
Sun 3aClear39°4° (likely 39°4° to 42°6°)39°4°0%1 mph2 km/h from E, gusts 5 mph7 km/h90%0%0
Sun 4aClear39°4° (likely 39°4° to 41°5°)39°4°0%1 mph2 km/h from SE, gusts 4 mph6 km/h92%0%0
Sun 5aClear37°3° (likely 37°3° to 40°4°)37°3°0%1 mph2 km/h from SE, gusts 3 mph5 km/h95%0%0
Sun 6aClear37°3° (likely 37°3° to 39°4°)37°3°0%0 mph0 km/h, gusts 3 mph4 km/h96%0%0
Sun 7aClear36°2° (likely 36°2° to 39°4°)36°2°0%0 mph0 km/h, gusts 2 mph4 km/h96%0%0
Sun 8aSunny36°2° (likely 36°2° to 39°4°)36°2°0%1 mph2 km/h from SE, gusts 4 mph6 km/h97%0%0
Sun 9aSunny39°4° (likely 39°4° to 43°6°)39°4°0%1 mph2 km/h from SE, gusts 5 mph7 km/h97%0%0
Sun 10aSunny47°8° (likely 47°8° to 51°11°)47°8°0%1 mph2 km/h from S, gusts 6 mph10 km/h84%2%1
Sun 11aSunny54°12° (likely 54°12° to 57°14°)54°12°0%2 mph3 km/h from S, gusts 8 mph13 km/h68%2%3
Sun 12pSunny59°15° (likely 57°14° to 60°16°)59°15°0%2 mph3 km/h from S, gusts 7 mph11 km/h59%3%3
Sun 1pSunny63°17° (likely 60°16° to 63°17°)63°17°0%2 mph3 km/h from S, gusts 6 mph10 km/h52%3%4
Sun 2pSunny64°18° (likely 62°17° to 64°18°)64°18°0%1 mph2 km/h from S, gusts 6 mph10 km/h48%2%4
Sun 3pSunny65°18° (likely 63°17° to 65°18°)65°18°0%1 mph2 km/h from S, gusts 7 mph10 km/h46%1%4
Sun 4pSunny66°19° (likely 63°17° to 66°19°)66°19°0%1 mph2 km/h from S, gusts 5 mph8 km/h45%32%3
Sun 5pSunny65°18° (likely 62°17° to 65°18°)65°18°0%0 mph0 km/h, gusts 5 mph7 km/h44%40%2
Sun 6pClear62°17° (likely 58°14° to 62°17°)62°17°0%0 mph0 km/h, gusts 4 mph7 km/h48%35%1
Sun 7pClear58°14° (likely 54°12° to 58°14°)58°14°0%1 mph2 km/h from SE, gusts 4 mph7 km/h56%7%0
Sun 8pClear51°11° (likely 50°10° to 53°12°)51°11°0%1 mph2 km/h from SE, gusts 5 mph8 km/h74%4%0
Sun 9pClear48°9° (likely 48°9° to 51°11°)48°9°0%0 mph0 km/h, gusts 3 mph5 km/h81%5%0
Sun 10pClear46°8° (likely 46°8° to 50°10°)46°8°0%0 mph0 km/h, gusts 3 mph4 km/h87%13%0
Sun 11pClear45°7° (likely 45°7° to 49°9°)45°7°0%0 mph0 km/h, gusts 3 mph5 km/h91%2%0
Mon 12aClear43°6° (likely 43°6° to 48°9°)43°6°0%0 mph0 km/h, gusts 3 mph4 km/h95%1%0
Mon 1aClear42°6° (likely 42°6° to 46°8°)42°6°0%0 mph0 km/h, gusts 2 mph4 km/h98%9%0
Mon 2aClear41°5° (likely 41°5° to 45°7°)41°5°0%0 mph0 km/h, gusts 3 mph5 km/h99%15%0
Mon 3aClear40°4° (likely 40°4° to 44°7°)40°4°0%0 mph0 km/h, gusts 3 mph5 km/h100%16%0
Mon 4aClear40°4° (likely 40°4° to 43°6°)40°4°0%1 mph2 km/h from S, gusts 4 mph6 km/h100%17%0
Mon 5aClear39°4° (likely 39°4° to 43°6°)39°4°0%1 mph2 km/h from S, gusts 5 mph7 km/h100%18%0
Mon 6aClear38°3° (likely 38°3° to 42°6°)38°3°0%1 mph2 km/h from S, gusts 4 mph7 km/h100%15%0
Mon 7aClear37°3° (likely 37°3° to 42°6°)37°3°0%1 mph2 km/h from S, gusts 4 mph7 km/h100%30%0
Mon 8aSunny39°4° (likely 38°3° to 42°6°)39°4°0%1 mph2 km/h from S, gusts 4 mph6 km/h99%23%0
Mon 9aSunny44°7° (likely 40°4° to 48°9°)44°7°0%1 mph2 km/h from S, gusts 4 mph7 km/h90%28%0
Mon 10aMostly sunny50°10° (likely 47°8° to 54°12°)51°11°0%2 mph3 km/h from SW, gusts 5 mph8 km/h80%15%1

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Mostly sunny. High 65°18°, low 36°2°. Typical 60°16° / 41°5°. Dry. Forecasts agree.
    1. Afternoon

      noon–6 PM

      Sunny, 64°18°

      Dry

    2. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    3. Overnight

      midnight–6 AM

      Clear, 37°3°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 65. Southeast wind around 3 mph.

    Tonight: Patchy fog after 5am. Mostly clear, with a low around 36. East wind around 3 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    62°17°–65°18°
    Low, likely
    36°2°–39°4°
    Typical high / low
    60°16° / 41°5°
    Wind
    7 mph11 km/h, gusts 12 mph19 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Fog. High 66°19°, low 37°3°. Typical 60°16° / 41°5°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 36°2°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 39°4°

      Dry

    Official NWS forecast

    Day: Patchy frost and patchy fog before 8am, then areas of fog and patchy frost between 8am and 10am. Sunny, with a high near 66. South wind around 2 mph.

    Night: Areas of fog after midnight. Mostly clear, with a low around 37. Southeast wind around 1 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    63°17°–66°19°
    Low, likely
    37°3°–39°4°
    Typical high / low
    60°16° / 41°5°
    Wind
    6 mph10 km/h, gusts 11 mph18 km/h
    UV peak
    4
  3. Monday, Oct 26. Fog. High 68°20°, low 42°6°. Typical 59°15° / 40°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 39°4°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 54°12°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 47°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Patchy fog before 9am. Sunny, with a high near 68. Southwest wind 1 to 5 mph.

    Night: Partly cloudy, with a low around 42.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    65°18°–68°20°
    Low, likely
    38°3°–42°6°
    Typical high / low
    59°15° / 40°4°
    Wind
    6 mph9 km/h, gusts 15 mph23 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Partly sunny. High 65°18°, low 43°6°. Typical 59°15° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 65°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 48°9°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 65.

    Night: Partly cloudy, with a low around 43.

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

    High, likely
    64°18°–67°19°
    Low, likely
    42°6°–47°8°
    Typical high / low
    59°15° / 40°4°
    Wind
    6 mph9 km/h, gusts 11 mph18 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Mostly cloudy. High 68°20°, low 46°8°. Typical 58°14° / 40°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Cloudy, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Mostly 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 cloudy, with a high near 68.

    Night: Mostly cloudy, with a low around 46.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    66°19°–68°20°
    Low, likely
    46°8°–49°9°
    Typical high / low
    58°14° / 40°4°
    Wind
    9 mph14 km/h, gusts 15 mph24 km/h
    UV peak
    3
  6. Thursday, Oct 29. Mostly sunny. High 70°21°, low 46°8°. Typical 58°14° / 39°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 47°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 70°21°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 57°14°

      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 70.

    Night: Mostly clear, with a low around 46.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    69°21°–70°21°
    Low, likely
    45°7°–49°9°
    Typical high / low
    58°14° / 39°4°
    Wind
    9 mph14 km/h, gusts 28 mph44 km/h
    UV peak
    4
  7. Friday, Oct 30. Partly sunny. High 68°20°, low 44°7°. Typical 58°14° / 39°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 49°10°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 43°6°

      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 44.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    64°18°–72°22°
    Low, likely
    44°7°–49°9°
    Typical high / low
    58°14° / 39°4°
    Wind
    8 mph13 km/h, gusts 22 mph36 km/h
    UV peak
    2
  8. Saturday, Oct 31. Cloudy. High 67°19°, low 45°7°. Typical 57°14° / 39°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Mostly sunny, 42°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 66°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 56°13°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 52°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
    58°14°–72°22°
    Low, likely
    40°4°–50°10°
    Typical high / low
    57°14° / 39°4°
    Wind
    9 mph15 km/h, gusts 24 mph39 km/h
    UV peak
    3
  9. Sunday, Nov 1. Cloudy. High 68°20°, low 52°11°. Typical 57°14° / 38°3°. Rain 0.04 in1 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 51°11°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 67°20°

      40% chance

    3. Evening

      6 PM–midnight

      Cloudy, 57°14°

      40% chance · 0.02 in0.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 56°13°

      40% chance · 0.03 in0.7 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
    61°16°–74°23°
    Low, likely
    44°7°–56°13°
    Typical high / low
    57°14° / 38°3°
    Wind
    9 mph14 km/h, gusts 24 mph38 km/h
    UV peak
    3
  10. Monday, Nov 2. Drizzle. High 60°16°, low 53°12°. Typical 56°13° / 38°3°. Rain 0.28 in7.1 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 57°14°

      40% chance · 0.06 in1.5 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 62°17°

      40% chance · 0.08 in1.9 mm

    3. Evening

      6 PM–midnight

      Drizzle, 54°12°

      40% chance · 0.08 in2 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
    47°8°–69°21°
    Low, likely
    44°7°–59°15°
    Typical high / low
    56°13° / 38°3°
    Wind
    10 mph16 km/h, gusts 22 mph35 km/h

The outlook

  1. Today

    Dry, high 65°, low 36°.

  2. Tomorrow

    Dry, high 66°, low 37°.

  3. Monday

    Dry, high 68°, low 42°.

  4. Rest of week

    Highs 60–70°; chance of precipitation on Monday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PBZ) (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

Ohio River at Pittsburgh

15 mi
Below flood stage
Level
16.7 ft
Flow
79,100 cfs

Forecast peak 16.7 ft Sat 2 PM

Reading from Sat 10:30 AM · NWS gauge page

Monongahela River at Charleroi Lock and Dam

17 mi
Below flood stage
Level
8.0 ft

Forecast peak 8.2 ft Sat 8 PM

Reading from Sat 10 AM · NWS gauge page

Monongahela River at Braddock Lock and Dam

19 mi
Below flood stage
Level
14.7 ft
Flow
638 cfs

Forecast peak 14.7 ft Sat 2 PM

Reading from Sat 10:28 AM · NWS gauge page

Ohio River at Dashields Lock and Dam

20 mi
Below flood stage
Level
14.5 ft
Flow
16,900 cfs

Forecast peak 14.6 ft Sat 2 PM

Reading from Sat 10:15 AM · NWS gauge page

For your home

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

Heating this week

About 72% less heating than a typical week.

This week 31Typical 109

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 17 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Today, 1:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

Pittsburgh International Airport · official normals 1991–2020 · records 1875–2026

Oct 24, today vs a typical year

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

Normal high / low
60°16° / 41°5°
Forecast high / low
65°18° / 36°2°
Record high
81°27° in 1963
Record low
21°−6° in 1969

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

  1. −6°−3°SunOct 18
  2. −2°−1°MonOct 19
  3. ±0°TueOct 20
  4. ±0°WedOct 21
  5. −2°−1°ThuOct 22
  6. +1°FriOct 23
  7. —SatOct 24

Canonsburg weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:41 AM, sunset 6:27 PM.

Daylight
10 h 47 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 29 min less
Golden hour
5:50–6:44 PM
Morning 7:24–8:19 AM
Blue hour
6:44–6:55 PM
Morning 7:13–7:24 AM; first light 7:13 AM

Stars tonight? Fair

Clear 6:55 PM–7:14 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today
sets 5:53 AM · rises 5:24 PM
Full moon
Oct 26
New moon
Nov 9
Looking west from Canonsburg. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.