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Observed 5:35 PM EDT at KAOO

Clappertown, PA weather

Sunny and 55°13°, jacket by 7 PM.

Today: low 32°0° (likely 31°−1° to 36°2°), high 61°16° (likely 58°14° to 61°16°).

Forecasts agree

Now 55°13°

Sunny

Wind
6 mph9 km/h
From the southeast. Up to 6 mph9 km/h through 5 AM
Dew point
28°−2°
Dry · up to 37°3° by 9 PM (comfortable)
UV tomorrow
4Moderate
Moderate 11 AM–5 PM · peak 4
Air quality
32Good
Main pollutant: Ozone
Pressure
30.49 inHg1033 hPa
Steady over the last 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

About the same as this time yesterday (59°15° then, 58°14° now)

Good hours for
  • Drops 12°7° tonight 6–9 PM (56°13° → 44°7°)
  • Below 50°10° tonight after 8 PM
  • Below freezing tonight 5–9 AM (low 32°0°)
  • Above 50°10° tomorrow by 11 AM
  • Drops 13°7° tomorrow night 6–9 PM (59°15° → 46°8°)
  1. TonightDown to 32°0° by 5 AM · freezing, low 32°0° · Clear
  2. Tomorrow morningUp to 51°11° by 11 AM · freezing, low 32°0° · Clear
  3. Tomorrow afternoonUp to 64°18° by 4 PM · Clear
  4. Tomorrow nightDown to 36°2° by 5 AM · Clear
  5. Monday morningUp to 58°14° by 11 AM · Clear
  6. Monday afternoonUp to 68°20° by 2 PM · Clear
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 5pSunny59°15° (likely 56°13° to 59°15°)59°15°0%5 mph8 km/h from SE, gusts 7 mph11 km/h36%0%1
Sat 6pClear56°13° (likely 52°11° to 56°13°)56°13°0%3 mph5 km/h from SE, gusts 8 mph12 km/h43%0%0
Sat 7pClear51°11° (likely 47°8° to 51°11°)51°11°0%2 mph3 km/h from SE, gusts 6 mph10 km/h54%0%0
Sat 8pClear44°7° (likely 44°7° to 47°8°)44°7°0%1 mph2 km/h from SE, gusts 6 mph9 km/h73%0%0
Sat 9pClear41°5° (likely 41°5° to 45°7°)41°5°0%1 mph2 km/h from S, gusts 5 mph8 km/h86%0%0
Sat 10pClear39°4° (likely 39°4° to 44°7°)39°4°0%0 mph0 km/h, gusts 5 mph8 km/h92%0%0
Sat 11pClear38°3° (likely 38°3° to 43°6°)38°3°0%0 mph0 km/h, gusts 4 mph6 km/h92%0%0
Sun 12aClear36°2° (likely 36°2° to 43°6°)36°2°0%0 mph0 km/h, gusts 4 mph6 km/h96%0%0
Sun 1aClear35°2° (likely 35°2° to 41°5°)35°2°0%0 mph0 km/h, gusts 4 mph6 km/h100%0%0
Sun 2aClear34°1° (likely 34°1° to 41°5°)34°1°0%0 mph0 km/h, gusts 3 mph5 km/h100%0%0
Sun 3aClear34°1° (likely 34°1° to 40°4°)34°1°0%0 mph0 km/h, gusts 2 mph3 km/h100%0%0
Sun 4aClear33°1° (likely 33°1° to 39°4°)33°1°0%0 mph0 km/h, gusts 2 mph2 km/h100%0%0
Sun 5aClear32°0° (likely 32°0° to 39°4°)32°0°0%0 mph0 km/h, gusts 1 mph2 km/h100%0%0
Sun 6aClear32°0° (likely 32°0° to 38°3°)32°0°0%0 mph0 km/h, gusts 1 mph2 km/h100%0%0
Sun 7aClear32°0° (likely 32°0° to 37°3°)32°0°0%0 mph0 km/h, gusts 2 mph3 km/h100%0%0
Sun 8aSunny32°0° (likely 32°0° to 36°2°)32°0°0%0 mph0 km/h, gusts 2 mph3 km/h100%0%0
Sun 9aSunny36°2° (likely 36°2° to 40°4°)36°2°0%0 mph0 km/h, gusts 2 mph3 km/h96%3%1
Sun 10aSunny44°7° (likely 44°7° to 48°9°)44°7°0%0 mph0 km/h, gusts 4 mph7 km/h86%0%2
Sun 11aSunny51°11° (likely 51°11° to 54°12°)51°11°0%1 mph2 km/h from S, gusts 8 mph13 km/h71%0%3
Sun 12pSunny56°13° (likely 55°13° to 57°14°)56°13°0%3 mph5 km/h from S, gusts 11 mph17 km/h59%1%4
Sun 1pSunny60°16° (likely 58°14° to 60°16°)60°16°0%3 mph5 km/h from S, gusts 10 mph17 km/h49%1%4
Sun 2pSunny62°17° (likely 59°15° to 62°17°)62°17°0%3 mph5 km/h from S, gusts 10 mph16 km/h44%1%4
Sun 3pSunny62°17° (likely 60°16° to 62°17°)62°17°0%3 mph5 km/h from S, gusts 9 mph15 km/h44%2%3
Sun 4pSunny64°18° (likely 60°16° to 64°18°)64°18°0%2 mph3 km/h from S, gusts 9 mph15 km/h41%2%3
Sun 5pSunny62°17° (likely 59°15° to 62°17°)62°17°0%2 mph3 km/h from S, gusts 8 mph13 km/h44%0%1
Sun 6pClear59°15° (likely 55°13° to 59°15°)59°15°0%1 mph2 km/h from S, gusts 8 mph12 km/h49%0%0
Sun 7pClear54°12° (likely 50°10° to 54°12°)54°12°0%1 mph2 km/h from S, gusts 6 mph9 km/h61%0%0
Sun 8pClear46°8° (likely 46°8° to 49°9°)46°8°0%1 mph2 km/h from S, gusts 6 mph9 km/h89%7%0
Sun 9pClear44°7° (likely 43°6° to 48°9°)44°7°0%1 mph2 km/h from S, gusts 5 mph8 km/h96%22%0
Sun 10pClear42°6° (likely 42°6° to 47°8°)42°6°0%1 mph2 km/h from SW, gusts 5 mph8 km/h100%11%0
Sun 11pClear41°5° (likely 41°5° to 45°7°)41°5°0%2 mph3 km/h from SW, gusts 4 mph6 km/h100%39%0
Mon 12aPartly cloudy40°4° (likely 40°4° to 44°7°)40°4°0%1 mph2 km/h from SW, gusts 5 mph8 km/h100%40%0
Mon 1aMostly clear39°4° (likely 39°4° to 43°6°)39°4°0%1 mph2 km/h from SW, gusts 5 mph8 km/h100%47%0
Mon 2aClear38°3° (likely 38°3° to 43°6°)38°3°0%1 mph2 km/h from SW, gusts 6 mph9 km/h100%15%0
Mon 3aPartly cloudy38°3° (likely 37°3° to 43°6°)38°3°0%1 mph2 km/h from SW, gusts 4 mph7 km/h100%23%0
Mon 4aClear37°3° (likely 36°2° to 43°6°)37°3°0%1 mph2 km/h from W, gusts 4 mph6 km/h100%13%0
Mon 5aClear36°2° (likely 35°2° to 42°6°)36°2°0%1 mph2 km/h from W, gusts 6 mph9 km/h100%14%0
Mon 6aClear36°2° (likely 35°2° to 43°6°)36°2°0%1 mph2 km/h from W, gusts 4 mph6 km/h100%18%0
Mon 7aClear36°2° (likely 35°2° to 43°6°)36°2°0%1 mph2 km/h from W, gusts 4 mph6 km/h100%15%0
Mon 8aPartly sunny36°2° (likely 35°2° to 43°6°)36°2°0%1 mph2 km/h from W, gusts 4 mph7 km/h100%43%0
Mon 9aSunny41°5° (likely 40°4° to 45°7°)41°5°0%1 mph2 km/h from W, gusts 4 mph7 km/h100%11%1
Mon 10aSunny50°10° (likely 50°10° to 53°12°)50°10°0%1 mph2 km/h from W, gusts 8 mph13 km/h80%7%2
Mon 11aSunny58°14° (likely 57°14° to 59°15°)58°14°0%1 mph2 km/h from W, gusts 11 mph17 km/h64%1%3
Mon 12pSunny62°17° (likely 61°16° to 63°17°)62°17°0%2 mph3 km/h from W, gusts 11 mph18 km/h56%3%4
Mon 1pSunny65°18° (likely 63°17° to 66°19°)65°18°0%3 mph5 km/h from NW, gusts 13 mph20 km/h52%1%4
Mon 2pSunny68°20° (likely 65°18° to 68°20°)68°20°0%5 mph8 km/h from NW, gusts 13 mph21 km/h47%1%4
Mon 3pSunny68°20° (likely 65°18° to 69°21°)68°20°0%5 mph8 km/h from NW, gusts 14 mph22 km/h47%1%3
Mon 4pSunny67°19° (likely 64°18° to 69°21°)67°19°0%5 mph8 km/h from NW, gusts 13 mph21 km/h47%1%3

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Sunny. High 61°16°, low 32°0°. Typical 60°16° / 41°5°. Dry. Forecasts agree.
    1. Evening

      6 PM–midnight

      Clear, 44°7°

      Dry

    2. Overnight

      midnight–6 AM

      Clear, 32°0°

      Dry

    Official NWS forecast

    Today: Sunny, with a high near 61. Southeast wind around 5 mph.

    Tonight: Widespread frost after midnight. Clear, with a low around 32. South wind 0 to 3 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    58°14°–61°16°
    Low, likely
    31°−1°–36°2°
    Typical high / low
    60°16° / 41°5°
    Wind
    9 mph14 km/h, gusts 16 mph26 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Sunny. High 64°18°, low 36°2°. Typical 59°15° / 40°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 32°0°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 64°18°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 46°8°

      Dry

    4. Overnight

      midnight–6 AM

      Partly cloudy, 36°2°

      Dry

    Official NWS forecast

    Day: Widespread frost before 10am. Sunny, with a high near 64. South wind 0 to 3 mph.

    Night: Patchy frost after 4am. Mostly clear, with a low around 36. Southwest wind around 2 mph.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    60°16°–64°18°
    Low, likely
    34°1°–36°2°
    Typical high / low
    59°15° / 40°4°
    Wind
    7 mph11 km/h, gusts 14 mph23 km/h
    UV peak
    4
  3. Monday, Oct 26. Mostly sunny. High 69°21°, low 41°5°. Typical 59°15° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Sunny, 36°2°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Official NWS forecast

    Day: Patchy frost before 9am. Sunny, with a high near 69. West wind 1 to 5 mph.

    Night: Mostly clear, with a low around 41.

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

    High, likely
    65°18°–69°21°
    Low, likely
    34°1°–42°6°
    Typical high / low
    59°15° / 40°4°
    Wind
    9 mph14 km/h, gusts 20 mph32 km/h
    UV peak
    4
  4. Tuesday, Oct 27. Mostly sunny. High 65°18°, low 37°3°. Typical 58°14° / 40°4°. Dry. Forecasts agree.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 63°17°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 51°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 42°5°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 65.

    Night: Patchy frost after 5am. Partly cloudy, with a low around 37.

    Forecasts agreeIndependent forecasts are close; the range is narrow.

    High, likely
    62°17°–65°18°
    Low, likely
    37°3°–45°7°
    Typical high / low
    58°14° / 40°4°
    Wind
    5 mph9 km/h, gusts 11 mph17 km/h
    UV peak
    4
  5. Wednesday, Oct 28. Cloudy. High 63°17°, low 42°6°. Typical 58°14° / 40°4°. Dry. Mostly agree.
    1. Morning

      6 AM–noon

      Partly sunny, 42°5°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 60°16°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 52°11°

      Dry

    4. Overnight

      midnight–6 AM

      Clear, 45°7°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Patchy frost before 9am. Partly sunny, with a high near 63.

    Night: Mostly cloudy, with a low around 42.

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

    High, likely
    58°14°–63°17°
    Low, likely
    40°4°–42°6°
    Typical high / low
    58°14° / 40°4°
    Wind
    9 mph15 km/h, gusts 18 mph29 km/h
    UV peak
    3
  6. Thursday, Oct 29. Partly sunny. High 72°22°, low 44°7°. Typical 58°14° / 39°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 43°6°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 69°20°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 55°13°

      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 72.

    Night: Mostly clear, with a low around 44.

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

    High, likely
    66°19°–72°22°
    Low, likely
    41°5°–45°7°
    Typical high / low
    58°14° / 39°4°
    Wind
    8 mph13 km/h, gusts 24 mph39 km/h
    UV peak
    4
  7. Friday, Oct 30. Mostly sunny. High 73°23°, low 45°7°. Typical 57°14° / 39°4°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 45°7°

      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, 45°7°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Sunny, with a high near 73.

    Night: Partly cloudy, with a low around 45.

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

    High, likely
    66°19°–73°23°
    Low, likely
    39°4°–48°9°
    Typical high / low
    57°14° / 39°4°
    Wind
    7 mph12 km/h, gusts 20 mph31 km/h
    UV peak
    4
  8. Saturday, Oct 31. Cloudy. High 65°18°, 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, 67°19°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 55°13°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 49°9°

      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°–69°21°
    Low, likely
    39°4°–48°9°
    Typical high / low
    57°14° / 39°4°
    Wind
    6 mph10 km/h, gusts 17 mph28 km/h
    UV peak
    3
  9. Sunday, Nov 1. Drizzle. High 62°17°, low 49°9°. Typical 56°13° / 38°3°. Rain 0.08 in2 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 52°11°

      30% chance · 0.01 in0.3 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 60°16°

      40% chance · 0.04 in0.9 mm

    3. Evening

      6 PM–midnight

      Drizzle, 58°15°

      50% chance · 0.1 in2.6 mm

    4. Overnight

      midnight–6 AM

      Showers, 58°15°

      50% chance · 0.14 in3.6 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°–68°20°
    Low, likely
    44°7°–55°13°
    Typical high / low
    56°13° / 38°3°
    Wind
    11 mph18 km/h, gusts 26 mph41 km/h
    UV peak
    1
  10. Monday, Nov 2. Showers. High 66°19°, low 54°12°. Typical 56°13° / 38°3°. Rain 0.44 in11 mm, 50% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 60°16°

      40% chance · 0.06 in1.6 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 65°18°

      30% chance · 0.16 in4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 59°15°

      30% chance · 0.11 in2.8 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.

    High, likely
    57°14°–72°22°
    Low, likely
    47°8°–61°16°
    Typical high / low
    56°13° / 38°3°
    Wind
    13 mph21 km/h, gusts 38 mph62 km/h

The outlook

  1. Today

    Dry, high 61°, low 32°.

  2. Tomorrow

    Dry, high 64°, low 36°, warming up.

  3. Monday

    Dry, high 69°, low 41°, warming up.

  4. Rest of week

    Highs 62–73°; 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

Frankstown Branch Juniata River at Williamsburg

5.8 mi
Below flood stage
Level
3.0 ft
Flow
189 cfs

Forecast peak 3.0 ft Sat 8 PM

Reading from Sat 4:30 PM · NWS gauge page

Raystown Branch Juniata River at Saxton

13 mi
Below flood stage
Level
1.7 ft
Flow
256 cfs

Forecast peak 1.7 ft Sat 8 PM

Reading from Sat 4 PM · NWS gauge page

Juniata River at Huntingdon

15 mi
Below flood stage
Level
1.8 ft
Flow
516 cfs

Forecast peak 1.8 ft Sat 8 PM

Reading from Sat 4 PM · NWS gauge page

Little Juniata River at Spruce Creek

16 mi
Below flood stage
Level
2.2 ft
Flow
155 cfs

Forecast peak 2.2 ft Sat 8 PM

Reading from Sat 4:15 PM · NWS gauge page

For your home

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

Heating this week

About 66% less heating than a typical week.

This week 37Typical 111

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
29
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 25 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 28°F).

Open the windows?

Sun, 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 about typical for the date.

Normal high / low
60°16° / 41°5°
Forecast high / low
61°16° / 32°0°
Record high
77°25° in 1963
Record low
20°−7° in 1969

Last 7 days vs normal

On average 3°2° colder than normal (daily mean temperature).

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

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

Sun & moon

Sun

Sunrise 7:33 AM, sunset 6:20 PM.

Daylight
10 h 46 min
Losing 2 min 30 s a day; shortest Dec 21, 1 h 29 min less
Golden hour
5:42–6:37 PM
Morning 7:16–8:11 AM
Blue hour
6:37–6:47 PM
Morning 7:06–7:16 AM; first light 7:06 AM

Stars tonight? Fair

Clear 6:47 PM–7:07 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today
sets 5:45 AM · rises 5:16 PM
Full moon
Oct 26
New moon
Nov 9
Looking west from Clappertown. The highest point on the skyline is about 2,300 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.