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Observed 9:05 PM EDT at KAOO

Blue Knob, PA weather

Clear and 45°7°.

Today: low 36°2° (likely 32°0° to 37°3°), high 55°13° (likely 54°12° to 55°13°).

Forecasts agree

Now 45°7°

Clear

Wind
5 mph7 km/h
From the south. 35–5 mph8 km/h through 9 AM
Dew point
30°−1°
Dry, static shocks likely
UV tomorrow
4Moderate
Moderate 11 AM–5 PM · peak 4
Air quality
34Good
Main pollutant: PM2.5 (fine particles)
Pressure
30.52 inHg1034 hPa
Rising slowly · +0.04 inHg+1.3 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

4°2° cooler than this time yesterday (48°9° then, 44°7° now)

Good hours for
  • Low 36°2° tomorrow at 6 AM
  • Above 50°10° tomorrow by 11 AM
  • High 59°15° tomorrow at 4 PM
  • Below 50°10° tomorrow night after 8 PM
  1. TonightDown to 37°3° by 5 AM · Clear
  2. Tomorrow morningUp to 50°10° by 11 AM · Clear
  3. Tomorrow afternoonUp to 59°15° by 4 PM · Clear
  4. Tomorrow nightDown to 41°5° by 4 AM · Clear
  5. Monday morningUp to 56°13° by 11 AM · Clear
  6. Monday afternoonUp to 62°17° by 3 PM · Clear
  7. Monday nightDown to 53°12° by 8 PM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 9pClear43°6° (likely 39°4° to 44°7°)40°4°0%5 mph8 km/h from S, gusts 7 mph11 km/h60%0%0
Sat 10pClear42°6° (likely 39°4° to 43°6°)39°4°0%5 mph8 km/h from S, gusts 8 mph12 km/h62%0%0
Sat 11pClear41°5° (likely 38°3° to 42°6°)38°3°0%5 mph8 km/h from S, gusts 8 mph13 km/h65%0%0
Sun 12aClear40°4° (likely 38°3° to 41°5°)37°3°0%5 mph8 km/h from S, gusts 8 mph12 km/h67%0%0
Sun 1aClear39°4° (likely 37°3° to 41°5°)36°2°0%5 mph8 km/h from S, gusts 7 mph11 km/h70%0%0
Sun 2aClear39°4° (likely 36°2° to 40°4°)36°2°0%5 mph8 km/h from S, gusts 5 mph9 km/h70%0%0
Sun 3aClear39°4° (likely 35°2° to 40°4°)37°3°0%3 mph5 km/h from S, gusts 5 mph9 km/h76%0%0
Sun 4aClear38°3° (likely 35°2° to 39°4°)36°2°0%3 mph5 km/h from S, gusts 5 mph8 km/h79%0%0
Sun 5aClear37°3° (likely 34°1° to 39°4°)34°1°0%3 mph5 km/h from S, gusts 4 mph6 km/h82%0%0
Sun 6aClear36°2° (likely 33°1° to 38°3°)33°1°0%3 mph5 km/h from S, gusts 4 mph7 km/h85%0%0
Sun 7aClear36°2° (likely 33°1° to 38°3°)33°1°0%3 mph5 km/h from SW, gusts 4 mph7 km/h89%0%0
Sun 8aSunny37°3° (likely 33°1° to 38°3°)34°1°0%3 mph5 km/h from S, gusts 4 mph7 km/h89%0%0
Sun 9aSunny40°4° (likely 37°3° to 42°6°)38°3°0%3 mph5 km/h from S, gusts 4 mph7 km/h85%0%1
Sun 10aSunny46°8° (likely 44°7° to 47°8°)45°7°0%3 mph5 km/h from S, gusts 9 mph14 km/h71%0%2
Sun 11aSunny50°10° (likely 49°9° to 51°11°)48°9°0%5 mph8 km/h from S, gusts 10 mph17 km/h63%4%3
Sun 12pSunny53°12° (likely 52°11° to 54°12°)53°12°0%5 mph8 km/h from S, gusts 11 mph17 km/h59%0%4
Sun 1pSunny56°13° (likely 54°12° to 56°13°)56°13°0%5 mph8 km/h from S, gusts 10 mph16 km/h49%0%4
Sun 2pSunny57°14° (likely 56°13° to 58°14°)57°14°0%5 mph8 km/h from S, gusts 10 mph16 km/h45%1%4
Sun 3pSunny58°14° (likely 57°14° to 59°15°)58°14°0%3 mph5 km/h from S, gusts 9 mph14 km/h45%1%4
Sun 4pSunny59°15° (likely 56°13° to 59°15°)59°15°0%3 mph5 km/h from S, gusts 9 mph14 km/h44%1%3
Sun 5pSunny57°14° (likely 55°13° to 57°14°)57°14°0%3 mph5 km/h from S, gusts 9 mph14 km/h45%0%1
Sun 6pClear54°12° (likely 51°11° to 54°12°)54°12°0%2 mph3 km/h from S, gusts 9 mph14 km/h50%0%0
Sun 7pClear51°11° (likely 47°8° to 51°11°)51°11°0%2 mph3 km/h from S, gusts 7 mph11 km/h59%0%0
Sun 8pClear46°8° (likely 44°7° to 47°8°)45°7°0%3 mph5 km/h from SW, gusts 6 mph10 km/h68%11%0
Sun 9pClear45°7° (likely 42°6° to 47°8°)44°7°0%3 mph5 km/h from SW, gusts 7 mph11 km/h73%18%0
Sun 10pClear44°7° (likely 40°4° to 46°8°)42°6°0%3 mph5 km/h from SW, gusts 7 mph11 km/h76%34%0
Sun 11pClear43°6° (likely 39°4° to 46°8°)40°4°0%5 mph8 km/h from SW, gusts 7 mph12 km/h79%41%0
Mon 12aClear43°6° (likely 38°3° to 46°8°)40°4°0%5 mph8 km/h from SW, gusts 7 mph12 km/h76%25%0
Mon 1aClear42°6° (likely 37°3° to 46°8°)39°4°0%5 mph8 km/h from SW, gusts 8 mph13 km/h79%36%0
Mon 2aClear42°6° (likely 36°2° to 46°8°)39°4°0%5 mph8 km/h from W, gusts 8 mph13 km/h79%1%0
Mon 3aPartly cloudy42°6° (likely 35°2° to 46°8°)39°4°0%5 mph8 km/h from W, gusts 9 mph14 km/h79%39%0
Mon 4aClear41°5° (likely 34°1° to 46°8°)38°3°0%5 mph8 km/h from W, gusts 9 mph15 km/h82%8%0
Mon 5aClear41°5° (likely 34°1° to 46°8°)38°3°0%5 mph8 km/h from W, gusts 10 mph15 km/h82%17%0
Mon 6aClear40°4° (likely 34°1° to 46°8°)37°3°0%5 mph8 km/h from W, gusts 11 mph17 km/h85%17%0
Mon 7aPartly cloudy40°4° (likely 35°2° to 46°8°)37°3°0%5 mph8 km/h from W, gusts 11 mph18 km/h89%50%0
Mon 8aSunny41°5° (likely 36°2° to 47°8°)38°3°0%5 mph8 km/h from W, gusts 13 mph20 km/h89%11%0
Mon 9aSunny45°7° (likely 42°6° to 50°10°)43°6°0%5 mph8 km/h from W, gusts 13 mph21 km/h82%11%1
Mon 10aSunny50°10° (likely 50°10° to 53°12°)48°9°0%5 mph8 km/h from W, gusts 17 mph27 km/h74%8%1
Mon 11aSunny56°13° (likely 54°12° to 57°14°)56°13°0%5 mph8 km/h from W, gusts 17 mph27 km/h62%0%3
Mon 12pSunny58°14° (likely 57°14° to 60°16°)58°14°0%6 mph10 km/h from W, gusts 17 mph28 km/h57%1%4
Mon 1pSunny60°16° (likely 59°15° to 62°17°)60°16°0%6 mph10 km/h from NW, gusts 15 mph25 km/h53%2%4
Mon 2pSunny61°16° (likely 60°16° to 63°17°)61°16°0%7 mph11 km/h from NW, gusts 15 mph24 km/h51%5%4
Mon 3pSunny62°17° (likely 61°16° to 64°18°)62°17°0%8 mph13 km/h from NW, gusts 15 mph25 km/h50%1%3
Mon 4pSunny62°17° (likely 60°16° to 63°17°)62°17°0%8 mph13 km/h from W, gusts 16 mph25 km/h50%3%3
Mon 5pSunny62°17° (likely 57°14° to 62°17°)62°17°0%8 mph13 km/h from W, gusts 17 mph27 km/h50%2%1
Mon 6pClear59°15° (likely 51°11° to 59°15°)59°15°0%7 mph11 km/h from W, gusts 13 mph20 km/h55%2%0
Mon 7pClear56°13° (likely 48°9° to 56°13°)56°13°0%7 mph11 km/h from W, gusts 8 mph14 km/h62%1%0
Mon 8pClear53°12° (likely 47°8° to 53°12°)53°12°0%6 mph10 km/h from W, gusts 8 mph12 km/h69%1%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Sunny. High 55°13°, low 36°2°. Typical 60°16° / 41°5°. Dry. Forecasts agree.
    1. Evening

      6 PM–midnight

      Clear, 41°5°

      Dry

    2. Overnight

      midnight–6 AM

      Clear, 37°3°

      Dry

    Official NWS forecast

    Tonight: Areas of frost after 5am. Clear, with a low around 36. South wind around 5 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    54°12°–55°13°
    Low, likely
    32°0°–37°3°
    Typical high / low
    60°16° / 41°5°
    Wind
    9 mph15 km/h, gusts 20 mph32 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Sunny. High 59°15°, low 40°4°. Typical 59°15° / 40°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 37°3°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 41°5°

      Dry

    Official NWS forecast

    Day: Areas of frost before 9am. Sunny, with a high near 59. South wind around 5 mph.

    Night: Mostly clear, with a low around 40. Southwest wind around 5 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    57°14°–59°15°
    Low, likely
    32°0°–40°4°
    Typical high / low
    59°15° / 40°4°
    Wind
    7 mph12 km/h, gusts 16 mph25 km/h
    UV peak
    4
  3. Monday, Oct 26. Mostly sunny. High 63°17°, low 45°7°. Typical 59°15° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 53°12°

      Dry

    4. Overnight

      midnight–6 AM

      Mostly clear, 44°7°

      Dry

    Official NWS forecast

    Day: Sunny, with a high near 63. West wind 5 to 8 mph.

    Night: Mostly clear, with a low around 45. Northwest wind 3 to 7 mph.

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

    High, likely
    61°16°–63°17°
    Low, likely
    33°1°–45°7°
    Typical high / low
    59°15° / 40°4°
    Wind
    15 mph24 km/h, gusts 24 mph38 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Partly sunny. High 61°16°, low 42°6°. Typical 58°14° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Mostly sunny, 44°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 59°15°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 48°9°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 40°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 61.

    Night: Partly cloudy, with a low around 42.

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

    High, likely
    58°14°–62°17°
    Low, likely
    42°6°–45°7°
    Typical high / low
    58°14° / 40°4°
    Wind
    7 mph11 km/h, gusts 12 mph20 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 58°14°, low 44°7°. Typical 58°14° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 41°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 56°13°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 48°9°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 41°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Partly sunny, with a high near 58.

    Night: Mostly cloudy, with a low around 44.

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

    High, likely
    55°13°–58°14°
    Low, likely
    39°4°–44°7°
    Typical high / low
    58°14° / 40°4°
    Wind
    10 mph16 km/h, gusts 21 mph33 km/h
    UV peak
    4
  6. Thursday, Oct 29. Mostly sunny. High 66°19°, low 48°9°. Typical 58°14° / 39°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 40°4°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 67°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 46°8°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 66.

    Night: Mostly clear, with a low around 48.

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

    High, likely
    65°18°–68°20°
    Low, likely
    37°3°–48°9°
    Typical high / low
    58°14° / 39°4°
    Wind
    8 mph13 km/h, gusts 25 mph41 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly sunny. High 67°19°, low 49°9°. Typical 57°14° / 39°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 46°8°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 67°19°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 44°7°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 67.

    Night: Partly cloudy, with a low around 49.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    66°19°–68°20°
    Low, likely
    39°4°–50°10°
    Typical high / low
    57°14° / 39°4°
    Wind
    8 mph13 km/h, gusts 18 mph29 km/h
    UV peak
    4
  8. Saturday, Oct 31. Partly sunny. High 66°19°, low 45°7°. Typical 57°14° / 39°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 44°7°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 62°17°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 53°11°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 48°9°

      20% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Mostly sunny, with a high near 66.

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

    High, likely
    55°13°–66°19°
    Low, likely
    37°3°–50°10°
    Typical high / low
    57°14° / 39°4°
    Wind
    7 mph11 km/h, gusts 17 mph27 km/h
    UV peak
    2
  9. Sunday, Nov 1. Drizzle. High 62°17°, low 48°9°. Typical 56°13° / 38°3°. Rain 0.11 in2.8 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 48°9°

      30% chance

    2. Afternoon

      noon–6 PM

      Cloudy, 60°16°

      40% chance · 0.04 in1 mm

    3. Evening

      6 PM–midnight

      Drizzle, 57°14°

      50% chance · 0.18 in4.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 56°13°

      50% chance · 0.11 in2.7 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
    56°13°–66°19°
    Low, likely
    44°7°–53°12°
    Typical high / low
    56°13° / 38°3°
    Wind
    11 mph17 km/h, gusts 27 mph44 km/h
    UV peak
    3
  10. Monday, Nov 2. Drizzle. High 64°18°, low 53°12°. Typical 56°13° / 38°3°. Rain 0.38 in9.7 mm, 50% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Drizzle, 59°15°

      40% chance

    2. Afternoon

      noon–6 PM

      Drizzle, 63°17°

      40% chance · 0.17 in4.3 mm

    3. Evening

      6 PM–midnight

      Drizzle, 55°13°

      40% chance · 0.07 in1.8 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.

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

    High, likely
    61°16°–66°19°
    Low, likely
    50°10°–56°13°
    Typical high / low
    56°13° / 38°3°
    Wind
    17 mph27 km/h, gusts 38 mph62 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 55°, low 36°.

  2. Tomorrow

    Dry, high 59°, low 40°, warming up.

  3. Monday

    Dry, high 63°, low 45°, warming up.

  4. Rest of week

    Highs 58–67°; chance of precipitation on Sunday, Monday.

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

Raystown Branch Juniata River at Saxton

18 mi
Below flood stage
Level
1.7 ft
Flow
256 cfs

Forecast peak 1.7 ft Sun 2 AM

Reading from Sat 8 PM · NWS gauge page

Frankstown Branch Juniata River at Williamsburg

20 mi
Below flood stage
Level
3.0 ft
Flow
194 cfs

Forecast peak 3.0 ft Sun 2 AM

Reading from Sat 8:30 PM · NWS gauge page

Little Conemaugh River at East Conemaugh

17 mi
Below flood stage
Level
8.3 ft
Flow
198 cfs

Reading from Sat 8:45 PM · NWS gauge page

Conemaugh River at Johnstown

20 mi
Below flood stage
Level
2.3 ft
Flow
638 cfs

Reading from Sat 8:15 PM · NWS gauge page

For your home

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

Heating this week

About 69% less heating than a typical week.

This week 34Typical 111

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
27
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 10 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

Mon, 1:00 PM–5:00 PM

Good stretch to open the windows.

Is this typical?

Altoona Blair County Airport · official normals 1991–2020 · records 1948–2026

Oct 24, today vs a typical year

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

Normal high / low
60°16° / 41°5°
Forecast high / low
55°13° / 36°2°
Record high
77°25° in 1963
Record low
20°−7° in 1969

Last 7 days vs normal

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

  1. −3°−2°MonOct 19
  2. −1°TueOct 20
  3. −2°−1°WedOct 21
  4. −2°−1°ThuOct 22
  5. −1°FriOct 23
  6. —SatOct 24
  7. —SunOct 25

Blue Knob weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:34 AM, sunset 6:21 PM.

Daylight
10 h 46 min
Losing 2 min 25 s a day; shortest Dec 21, 1 h 29 min less
Golden hour
5:43–6:38 PM
Morning 7:17–8:12 AM
Blue hour
6:38–6:49 PM
Morning 7:07–7:17 AM; first light 7:07 AM

Stars tonight? Fair

Clear 9:33 PM–7:08 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 5:46 AM · rises 5:18 PM
Full moon
Oct 26
New moon
Nov 9
Looking southwest from Blue Knob. The highest point on the skyline is about 3,000 ft, 4 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.