Observed 12:35 PM EDT at KJST

Westmont, PA weather

Sunny and 52°11°, jacket by 6 PM.

Mostly agree

Now 52°11°

Sunny

Wind: Calm; Light through 12 AM
Dew point: 37°3°; Comfortable
UV index: 3Moderate; Moderate until 4 PM · peak 4
Air quality: 53Moderate; PM2.5 (fine particles) · tomorrow good
Pressure: 30.36 inHg1028 hPa; Falling slowly · −0.03 inHg−1.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 59°15° today at 2 PM
Below 50°10° tonight after 8 PM
Low 34°1° tomorrow at 7 AM
Above 50°10° tomorrow by 11 AM

This afternoonUp to 59°15° by 2 PM · Clear
TonightDown to 36°2° by 4 AM · Clear
Tomorrow morningUp to 50°10° by 11 AM · Clear
Tomorrow afternoonUp to 59°15° by 2 PM · Clear
Tomorrow nightDown to 35°2° by 4 AM · Clear
Sunday morningUp to 53°12° by 11 AM · freezing, low 32°0° · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 12p	Partly sunny	54°12° (likely 53°12° to 56°13°)	54°12°	0%	3 mph5 km/h from E, gusts 8 mph14 km/h	59%	30%	3
Fri 1p	Mostly sunny	56°13° (likely 55°13° to 58°14°)	56°13°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	51%	19%	4
Fri 2p	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	44%	13%	4
Fri 3p	Sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	42%	9%	3
Fri 4p	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	44%	12%	2
Fri 5p	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	45%	5%	1
Fri 6p	Clear	54°12° (likely 53°12° to 57°14°)	54°12°	0%	2 mph3 km/h from E, gusts 9 mph15 km/h	50%	10%	0
Fri 7p	Clear	50°10° (likely 49°9° to 50°10°)	50°10°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	58%	3%	0
Fri 8p	Clear	47°8° (likely 46°8° to 47°8°)	47°8°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	65%	0%	0
Fri 9p	Clear	45°7° (likely 43°6° to 46°8°)	45°7°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	73%	1%	0
Fri 10p	Clear	43°6° (likely 42°6° to 45°7°)	43°6°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	79%	3%	0
Fri 11p	Clear	42°6° (likely 40°4° to 44°7°)	42°6°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	79%	3%	0
Sat 12a	Clear	39°4° (likely 39°4° to 43°6°)	39°4°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	85%	2%	0
Sat 1a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	89%	0%	0
Sat 2a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	89%	0%	0
Sat 3a	Clear	37°3° (likely 37°3° to 41°5°)	37°3°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	89%	0%	0
Sat 4a	Clear	36°2° (likely 36°2° to 40°4°)	36°2°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	92%	0%	0
Sat 5a	Clear	36°2° (likely 36°2° to 40°4°)	36°2°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	92%	0%	0
Sat 6a	Clear	35°2° (likely 35°2° to 39°4°)	35°2°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	92%	0%	0
Sat 7a	Clear	34°1° (likely 34°1° to 39°4°)	34°1°	0%	2 mph3 km/h from S, gusts 3 mph5 km/h	96%	0%	0
Sat 8a	Sunny	34°1° (likely 34°1° to 38°3°)	34°1°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	96%	0%	0
Sat 9a	Sunny	37°3° (likely 37°3° to 43°6°)	34°1°	0%	3 mph5 km/h from S, gusts 4 mph7 km/h	100%	0%	1
Sat 10a	Sunny	44°7° (likely 44°7° to 49°9°)	41°5°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	79%	1%	1
Sat 11a	Sunny	50°10° (likely 49°9° to 52°11°)	48°9°	0%	5 mph8 km/h from SE, gusts 13 mph22 km/h	66%	0%	3
Sat 12p	Sunny	54°12° (likely 52°11° to 56°13°)	54°12°	0%	6 mph10 km/h from SE, gusts 13 mph21 km/h	57%	0%	3
Sat 1p	Sunny	57°14° (likely 54°12° to 58°14°)	57°14°	0%	6 mph10 km/h from SE, gusts 12 mph19 km/h	49%	1%	4
Sat 2p	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	5 mph8 km/h from SE, gusts 11 mph17 km/h	45%	2%	4
Sat 3p	Sunny	59°15° (likely 56°13° to 60°16°)	59°15°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	44%	0%	3
Sat 4p	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	42%	0%	3
Sat 5p	Sunny	58°14° (likely 54°12° to 58°14°)	58°14°	0%	5 mph8 km/h from SE, gusts 11 mph18 km/h	44%	0%	1
Sat 6p	Clear	56°13° (likely 50°10° to 56°13°)	56°13°	0%	3 mph5 km/h from SE, gusts 13 mph21 km/h	49%	0%	1
Sat 7p	Clear	52°11° (likely 46°8° to 52°11°)	52°11°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	54%	0%	0
Sat 8p	Clear	47°8° (likely 45°7° to 47°8°)	46°8°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	63%	0%	0
Sat 9p	Clear	44°7° (likely 42°6° to 44°7°)	42°6°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	73%	0%	0
Sat 10p	Clear	42°6° (likely 40°4° to 43°6°)	40°4°	0%	3 mph5 km/h from SE, gusts 6 mph9 km/h	76%	0%	0
Sat 11p	Clear	41°5° (likely 39°4° to 43°6°)	41°5°	0%	2 mph3 km/h from SE, gusts 5 mph9 km/h	73%	0%	0
Sun 12a	Clear	40°4° (likely 38°3° to 42°6°)	40°4°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	73%	0%	0
Sun 1a	Clear	38°3° (likely 37°3° to 41°5°)	38°3°	0%	2 mph3 km/h from SE, gusts 5 mph8 km/h	79%	0%	0
Sun 2a	Clear	37°3° (likely 36°2° to 40°4°)	37°3°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	82%	0%	0
Sun 3a	Clear	36°2° (likely 35°2° to 38°3°)	36°2°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	85%	0%	0
Sun 4a	Clear	35°2° (likely 35°2° to 37°3°)	35°2°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	89%	0%	0
Sun 5a	Clear	35°2° (likely 34°1° to 36°2°)	35°2°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	89%	0%	0
Sun 6a	Clear	33°1° (likely 33°1° to 36°2°)	33°1°	0%	2 mph3 km/h from SE, gusts 4 mph6 km/h	96%	1%	0
Sun 7a	Clear	32°0° (likely 32°0° to 36°2°)	32°0°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	96%	3%	0
Sun 8a	Sunny	33°1° (likely 32°0° to 36°2°)	33°1°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	96%	5%	0
Sun 9a	Sunny	39°4° (likely 36°2° to 43°6°)	39°4°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	85%	0%	0
Sun 10a	Sunny	46°8° (likely 46°8° to 49°9°)	46°8°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	73%	0%	1
Sun 11a	Sunny	53°12° (likely 52°11° to 54°12°)	53°12°	0%	1 mph2 km/h from S, gusts 9 mph14 km/h	61%	0%	3

Days ahead

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

Today, Oct 23. Partly sunny. High 60°16°, low 34°1°. Typical 57°14° / 40°4°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
2. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 60. East wind around 3 mph.
Tonight: Areas of frost after 2am. Mostly clear, with a low around 34. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–60°16°
Low, likely
34°1°–39°4°
Typical high / low
57°14° / 40°4°
Wind
8 mph12 km/h
UV peak
4
Tomorrow, Oct 24. Sunny. High 59°15°, low 32°0°. Typical 56°13° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny, with a high near 59. Southeast wind 2 to 6 mph.
Night: Patchy frost after 2am. Clear, with a low around 32. Southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–60°16°
Low, likely
32°0°–38°3°
Typical high / low
56°13° / 40°4°
Wind
8 mph13 km/h, gusts 19 mph31 km/h
UV peak
4
Sunday, Oct 25. Mostly sunny. High 64°18°, low 35°2°. Typical 56°13° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Day: Areas of frost before 7am, then areas of frost and patchy fog between 7am and 9am. Sunny, with a high near 64. Southeast wind around 2 mph.
Night: Mostly clear, with a low around 35.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–64°18°
Low, likely
32°0°–37°3°
Typical high / low
56°13° / 40°4°
Wind
7 mph12 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 65°18°, low 40°4°. Typical 56°13° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65.
Night: Mostly clear, with a low around 40.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–65°18°
Low, likely
30°−1°–41°5°
Typical high / low
56°13° / 40°4°
Wind
8 mph13 km/h, gusts 20 mph31 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 63°17°, low 39°4°. Typical 55°13° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Partly 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 63.
Night: Partly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–67°19°
Low, likely
39°4°–44°7°
Typical high / low
55°13° / 39°4°
Wind
7 mph11 km/h, gusts 16 mph26 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 61°16°, low 40°4°. Typical 55°13° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 61.
Night: Mostly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–65°18°
Low, likely
40°4°–48°9°
Typical high / low
55°13° / 39°4°
Wind
9 mph15 km/h, gusts 25 mph40 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 65°18°, low 43°6°. Typical 54°12° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  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.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
65°18°–68°20°
Low, likely
43°6°–48°9°
Typical high / low
54°12° / 38°3°
Wind
12 mph19 km/h, gusts 28 mph45 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 62°17°, low 47°8°. Typical 54°12° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  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°–67°19°
Low, likely
45°7°–49°9°
Typical high / low
54°12° / 38°3°
Wind
8 mph13 km/h, gusts 22 mph35 km/h
UV peak
4
Saturday, Oct 31. Drizzle. High 56°13°, low 43°6°. Typical 54°12° / 38°3°. Rain 0.03 in0.8 mm, 10% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 53°11°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  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
46°8°–67°19°
Low, likely
35°2°–51°11°
Typical high / low
54°12° / 38°3°
Wind
8 mph13 km/h, gusts 24 mph38 km/h
UV peak
2
Sunday, Nov 1. Rain. High 59°15°, low 45°7°. Typical 53°12° / 38°3°. Rain 0.23 in5.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 40°5°
  30% chance · 0.05 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 54°12°
  30% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  30% chance
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°–64°18°
Low, likely
31°−1°–53°12°
Typical high / low
53°12° / 38°3°
Wind
10 mph15 km/h, gusts 24 mph38 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 34°.
Tomorrow
Dry, high 59°, low 32°.
Sunday
Dry, high 64°, low 35°, warming up.
Rest of week
Mostly dry, highs 56–65°.

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

Conemaugh River at Seward

7.9 mi

Below flood stage

Level: 2.7 ft
Flow: 755 cfs

Forecast peak 2.6 ft Fri 2 PM

Reading from Fri 11:45 AM · NWS gauge page

Conemaugh River at Johnstown

2.1 mi

Below flood stage

Level: 2.4 ft
Flow: 686 cfs

Reading from Fri 12:15 PM · NWS gauge page

Stonycreek River at Ferndale

2.9 mi

Below flood stage

Level: 3.1 ft
Flow: 380 cfs

Reading from Fri 12:15 PM · NWS gauge page

Little Conemaugh River at East Conemaugh

4.1 mi

Below flood stage

Level: 8.4 ft
Flow: 209 cfs

Reading from Fri 11:45 AM · NWS gauge page

For your home

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

Heating this week

About 68% less heating than a typical week.

This week 39Typical 123

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 30
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 18 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Johnstown Cambria County Airport · official normals 1991–2020 · records 2000–2026

Oct 23, today vs a typical year

Today’s expected high is 3°2° warmer than typical.

Last 7 days vs normal

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

−10°−6°SatOct 17
−6°−4°SunOct 18
+1°±0°MonOct 19
+3°+2°TueOct 20
+1°WedOct 21
±0°ThuOct 22
—FriOct 23

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

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 31 min less
Golden hour: 5:46–6:41 PM; Morning 7:18–8:13 AM
Blue hour: 6:41–6:51 PM; Morning 7:07–7:18 AM; first light 7:07 AM

Stars tonight? Good

Clear 6:51 PM–7:08 AM; moon 95% lit, sets 5:48 AM.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:39 AM · rises 4:55 PM
Full moon: Oct 26
New moon: Nov 9

Looking southwest from Westmont. The highest point on the skyline is about 3,000 ft, 9 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Westmont, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Conemaugh River at Seward

Conemaugh River at Johnstown

Stonycreek River at Ferndale

Little Conemaugh River at East Conemaugh

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon