Observed 3:45 PM EDT at KAOO

Sylvan Hills, PA weather

Sunny and 59°15°, jacket by 7 PM.

Mostly agree

Now 59°15°

Sunny

Wind: 6 mph9 km/h; From the south. Up to 6 mph9 km/h through 4 AM
Dew point: 27°−3°; Dry · up to 35°2° by 6 PM (comfortable)
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4
Air quality: 32Good; Main pollutant: Ozone
Pressure: 30.49 inHg1033 hPa; Falling slowly · −0.03 inHg−1.1 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 50°10° tonight after 8 PM
Below freezing tomorrow 6–9 AM (low 32°0°)
Low 32°0° tomorrow at 6 AM
Above 50°10° tomorrow by 11 AM

This afternoonNear 61°16° · Clear
TonightDown to 33°1° by 5 AM · Clear
Tomorrow morningUp to 52°11° by 11 AM · freezing, low 32°0° · Clear
Tomorrow afternoonUp to 64°18° by 5 PM · Clear
Tomorrow nightDown to 37°3° by 5 AM · Clear
Monday morningUp to 58°14° by 11 AM · Clear
Monday afternoonUp to 68°20° by 3 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 4p	Sunny	60°16° (likely 57°14° to 60°16°)	60°16°	0%	5 mph8 km/h from SE, gusts 10 mph16 km/h	39%	0%	3
Sat 5p	Sunny	61°16° (likely 55°13° to 61°16°)	61°16°	0%	5 mph8 km/h from SE, gusts 10 mph15 km/h	36%	0%	1
Sat 6p	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	43%	0%	0
Sat 7p	Clear	52°11° (likely 47°8° to 52°11°)	52°11°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	54%	0%	0
Sat 8p	Clear	48°9° (likely 44°7° to 48°9°)	48°9°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	65%	0%	0
Sat 9p	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	89%	0%	0
Sat 10p	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	1 mph2 km/h from NW, gusts 4 mph6 km/h	92%	0%	0
Sat 11p	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	1 mph2 km/h from W, gusts 3 mph6 km/h	100%	0%	0
Sun 12a	Clear	36°2° (likely 36°2° to 43°6°)	36°2°	0%	1 mph2 km/h from NW, gusts 2 mph4 km/h	100%	0%	0
Sun 1a	Clear	35°2° (likely 35°2° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	0%	0
Sun 2a	Clear	35°2° (likely 35°2° to 41°5°)	35°2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	0%	0
Sun 3a	Clear	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 4a	Clear	34°1° (likely 34°1° to 40°4°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	1%	0
Sun 5a	Clear	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	4%	0
Sun 6a	Clear	32°0° (likely 32°0° to 38°3°)	32°0°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 7a	Clear	32°0° (likely 32°0° to 38°3°)	32°0°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 8a	Sunny	32°0° (likely 32°0° to 37°3°)	32°0°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	1%	0
Sun 9a	Sunny	37°3° (likely 37°3° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 1 mph1 km/h	96%	10%	1
Sun 10a	Sunny	45°7° (likely 44°7° to 47°8°)	45°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	1%	1
Sun 11a	Sunny	52°11° (likely 49°9° to 53°12°)	52°11°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	71%	1%	3
Sun 12p	Sunny	56°13° (likely 54°12° to 57°14°)	56°13°	0%	2 mph3 km/h from S, gusts 11 mph17 km/h	59%	1%	4
Sun 1p	Sunny	60°16° (likely 57°14° to 60°16°)	60°16°	0%	3 mph5 km/h from S, gusts 10 mph17 km/h	49%	0%	4
Sun 2p	Sunny	62°17° (likely 58°14° to 62°17°)	62°17°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	44%	0%	4
Sun 3p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	44%	0%	3
Sun 4p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from S, gusts 9 mph15 km/h	44%	1%	3
Sun 5p	Sunny	64°18° (likely 59°15° to 64°18°)	64°18°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	43%	0%	1
Sun 6p	Clear	60°16° (likely 54°12° to 60°16°)	60°16°	0%	1 mph2 km/h from SE, gusts 7 mph12 km/h	51%	0%	0
Sun 7p	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	61%	0%	0
Sun 8p	Clear	51°11° (likely 46°8° to 51°11°)	51°11°	0%	1 mph2 km/h from SW, gusts 3 mph5 km/h	74%	19%	0
Sun 9p	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	96%	13%	0
Sun 10p	Clear	43°6° (likely 42°6° to 46°8°)	43°6°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	100%	24%	0
Sun 11p	Clear	41°5° (likely 40°4° to 46°8°)	41°5°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	100%	41%	0
Mon 12a	Mostly clear	41°5° (likely 39°4° to 45°7°)	41°5°	0%	1 mph2 km/h from SW, gusts 4 mph6 km/h	100%	11%	0
Mon 1a	Clear	40°4° (likely 38°3° to 44°7°)	40°4°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	100%	7%	0
Mon 2a	Clear	39°4° (likely 37°3° to 44°7°)	39°4°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	12%	0
Mon 3a	Clear	38°3° (likely 36°2° to 43°6°)	38°3°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	16%	0
Mon 4a	Clear	38°3° (likely 36°2° to 43°6°)	38°3°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	13%	0
Mon 5a	Clear	37°3° (likely 35°2° to 43°6°)	37°3°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	100%	16%	0
Mon 6a	Clear	37°3° (likely 34°1° to 42°6°)	37°3°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	100%	16%	0
Mon 7a	Clear	36°2° (likely 34°1° to 42°6°)	36°2°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	15%	0
Mon 8a	Sunny	37°3° (likely 34°1° to 43°6°)	37°3°	0%	1 mph2 km/h from W, gusts 3 mph5 km/h	100%	18%	0
Mon 9a	Partly sunny	42°6° (likely 37°3° to 48°9°)	42°6°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	14%	1
Mon 10a	Sunny	50°10° (likely 50°10° to 54°12°)	50°10°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	83%	3%	1
Mon 11a	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	1 mph2 km/h from W, gusts 10 mph16 km/h	67%	6%	3
Mon 12p	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	2 mph3 km/h from W, gusts 13 mph20 km/h	60%	6%	4
Mon 1p	Sunny	64°18° (likely 63°17° to 67°19°)	64°18°	0%	3 mph5 km/h from NW, gusts 14 mph23 km/h	54%	6%	4
Mon 2p	Sunny	67°19° (likely 64°18° to 68°20°)	67°19°	0%	5 mph8 km/h from NW, gusts 14 mph23 km/h	49%	1%	4
Mon 3p	Sunny	68°20° (likely 64°18° to 69°21°)	68°20°	0%	5 mph8 km/h from NW, gusts 14 mph23 km/h	47%	1%	3

Days ahead

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

Today, Oct 24. Sunny. High 61°16°, low 32°0°. Typical 60°16° / 41°5°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
2. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 33°1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. Southeast wind around 5 mph.
Tonight: Areas of frost after 11pm. Clear, with a low around 32. Southeast wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–61°16°
Low, likely
32°0°–37°3°
Typical high / low
60°16° / 41°5°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 65°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, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Day: Widespread frost before 10am. Sunny, with a high near 65. South wind 0 to 3 mph.
Night: Patchy frost after 5am. Mostly clear, with a low around 36. Southwest wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–65°18°
Low, likely
34°1°–37°3°
Typical high / low
59°15° / 40°4°
Wind
7 mph10 km/h, gusts 16 mph26 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 42°6°. Typical 59°15° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  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 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
33°1°–42°6°
Typical high / low
59°15° / 40°4°
Wind
9 mph14 km/h, gusts 22 mph35 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 66°19°, 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°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  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 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–66°19°
Low, likely
37°3°–46°8°
Typical high / low
58°14° / 40°4°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 64°18°, low 42°6°. Typical 58°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy frost between 7am and 9am. Partly sunny, with a high near 64.
Night: Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–64°18°
Low, likely
41°5°–43°6°
Typical high / low
58°14° / 40°4°
Wind
10 mph15 km/h, gusts 20 mph32 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 73°23°, low 45°7°. Typical 58°14° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 73.
Night: Mostly clear, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
66°19°–73°23°
Low, likely
38°3°–45°7°
Typical high / low
58°14° / 39°4°
Wind
8 mph13 km/h, gusts 28 mph45 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 74°23°, low 45°7°. Typical 57°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Partly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
39°4°–50°10°
Typical high / low
57°14° / 39°4°
Wind
7 mph12 km/h, gusts 19 mph31 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 67°19°, low 49°9°. Typical 57°14° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  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
63°17°–71°22°
Low, likely
47°8°–53°12°
Typical high / low
57°14° / 39°4°
Wind
7 mph10 km/h, gusts 17 mph27 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 64°18°, low 52°11°. Typical 56°13° / 38°3°. Rain 0.03 in0.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  40% chance
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  40% chance · 0.04 in1 mm
4. Overnight
  midnight–6 AM
  Showers, 59°15°
  40% chance · 0.12 in2.9 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°–68°20°
Low, likely
45°7°–56°13°
Typical high / low
56°13° / 38°3°
Wind
10 mph16 km/h, gusts 26 mph42 km/h
UV peak
1
Monday, Nov 2. Showers. High 65°18°, low 54°12°. Typical 56°13° / 38°3°. Rain 0.46 in12 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°15°
  40% chance · 0.05 in1.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  30% chance · 0.2 in5 mm
3. Evening
  6 PM–midnight
  Drizzle, 59°15°
  30% chance · 0.12 in3.1 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°–71°22°
Low, likely
46°8°–60°16°
Typical high / low
56°13° / 38°3°
Wind
13 mph21 km/h, gusts 39 mph62 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 32°.
Tomorrow
Dry, high 65°, low 36°, warming up.
Monday
Dry, high 69°, low 42°, warming up.
Rest of week
Highs 64–74°; 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

9.7 mi

Below flood stage

Level: 3.0 ft
Flow: 191 cfs

Forecast peak 3.0 ft Sat 8 PM

Reading from Sat 2:30 PM · NWS gauge page

Little Juniata River at Spruce Creek

17 mi

Below flood stage

Level: 2.2 ft
Flow: 155 cfs

Forecast peak 2.2 ft Sat 8 PM

Reading from Sat 2:30 PM · NWS gauge page

Raystown Branch Juniata River at Saxton

17 mi

Below flood stage

Level: 1.7 ft
Flow: 256 cfs

Forecast peak 1.7 ft Sat 8 PM

Reading from Sat 3 PM · NWS gauge page

Juniata River at Huntingdon

19 mi

Below flood stage

Level: 1.8 ft
Flow: 516 cfs

Forecast peak 1.8 ft Sat 8 PM

Reading from Sat 3 PM · NWS gauge page

For your home

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

Heating this week

About 67% less heating than a typical week.

This week 36Typical 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 24 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 27°F).

Open the windows?

Sun, 1:00 PM–6:00 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.

Last 7 days vs normal

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

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

Sylvan Hills weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

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 7:17–8:12 AM
Blue hour: 6:37–6:48 PM; Morning 7:06–7:17 AM; first light 7:06 AM

Stars tonight? Fair

Clear 6:48 PM–7:07 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:46 AM · rises 5:17 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Sylvan Hills. The highest point on the skyline is about 3,000 ft, 15 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Sylvan Hills, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Frankstown Branch Juniata River at Williamsburg

Little Juniata River at Spruce Creek

Raystown Branch Juniata River at Saxton

Juniata River at Huntingdon

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