Observed 5:00 AM EDT at KAGC

Monessen, PA weather

Clear and 43°6°.

Forecasts agree

Now 43°6°

Clear

Wind: 3 mph5 km/h; From the east-northeast. Light through 5 PM
Dew point: 37°3°; Comfortable
UV index: 0Low; Moderate 12–4 PM · peak 3
Air quality: 65Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.4 inHg1029 hPa; Rising slowly · +0.03 inHg+0.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 36°2° today at 8 AM
Above 50°10° today by 11 AM
High 66°19° today at 3 PM
Below 50°10° tonight after 9 PM
Fog tomorrow night from 3 AM

This morningUp to 56°13° by 11 AM · Clear
This afternoonUp to 66°19° by 3 PM · Clear
TonightDown to 37°3° by 5 AM · Clear
Tomorrow morningUp to 55°13° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 5 PM · Clear
Tomorrow nightDown to 39°4° by 4 AM · 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 5a	Clear	39°4° (likely 37°3° to 43°6°)	39°4°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	96%	0%	0
Sat 6a	Clear	38°3° (likely 36°2° to 42°6°)	38°3°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	98%	0%	0
Sat 7a	Clear	37°3° (likely 35°2° to 42°6°)	37°3°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	100%	5%	0
Sat 8a	Sunny	36°2° (likely 34°1° to 42°6°)	36°2°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	100%	9%	0
Sat 9a	Sunny	41°5° (likely 38°3° to 46°8°)	41°5°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	93%	9%	0
Sat 10a	Sunny	49°9° (likely 49°9° to 51°11°)	49°9°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	79%	0%	1
Sat 11a	Sunny	56°13° (likely 55°13° to 56°13°)	56°13°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	65%	0%	2
Sat 12p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	52%	0%	3
Sat 1p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	48%	0%	3
Sat 2p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 4 mph7 km/h	46%	0%	3
Sat 3p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	1 mph2 km/h from E, gusts 5 mph7 km/h	45%	4%	3
Sat 4p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	43%	6%	2
Sat 5p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	43%	6%	1
Sat 6p	Clear	63°17° (likely 59°15° to 63°17°)	63°17°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	47%	2%	0
Sat 7p	Clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	3 mph5 km/h from E, gusts 5 mph8 km/h	54%	8%	0
Sat 8p	Clear	52°11° (likely 50°10° to 52°11°)	52°11°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	72%	8%	0
Sat 9p	Clear	49°9° (likely 48°9° to 50°10°)	47°8°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	78%	6%	0
Sat 10p	Clear	47°8° (likely 46°8° to 49°9°)	46°8°	0%	3 mph5 km/h from SE, gusts 7 mph12 km/h	80%	0%	0
Sat 11p	Clear	45°7° (likely 44°7° to 47°8°)	45°7°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	81%	0%	0
Sun 12a	Clear	43°6° (likely 43°6° to 46°8°)	43°6°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	83%	0%	0
Sun 1a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	1 mph2 km/h from SE, gusts 5 mph7 km/h	86%	0%	0
Sun 2a	Clear	41°5° (likely 40°4° to 44°7°)	41°5°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	87%	0%	0
Sun 3a	Clear	40°4° (likely 39°4° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	89%	0%	0
Sun 4a	Clear	39°4° (likely 37°3° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	92%	0%	0
Sun 5a	Clear	37°3° (likely 36°2° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	97%	8%	0
Sun 6a	Clear	36°2° (likely 35°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	98%	10%	0
Sun 7a	Clear	35°2° (likely 34°1° to 40°4°)	35°2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	10%	0
Sun 8a	Sunny	35°2° (likely 33°1° to 40°4°)	35°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	99%	10%	0
Sun 9a	Sunny	39°4° (likely 37°3° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	7%	0
Sun 10a	Sunny	48°9° (likely 47°8° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 4 mph7 km/h	84%	0%	1
Sun 11a	Sunny	55°13° (likely 54°12° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	67%	1%	3
Sun 12p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	57%	1%	3
Sun 1p	Sunny	63°17° (likely 61°16° to 63°17°)	63°17°	0%	0 mph0 km/h, gusts 5 mph8 km/h	50%	0%	4
Sun 2p	Sunny	66°19° (likely 62°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 4 mph6 km/h	47%	0%	4
Sun 3p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 4 mph6 km/h	46%	0%	4
Sun 4p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 3 mph4 km/h	44%	0%	3
Sun 5p	Sunny	67°19° (likely 62°17° to 67°19°)	67°19°	0%	0 mph0 km/h, gusts 3 mph5 km/h	43%	0%	2
Sun 6p	Clear	64°18° (likely 58°14° to 64°18°)	64°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	49%	0%	1
Sun 7p	Clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 3 mph5 km/h	57%	1%	0
Sun 8p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph4 km/h	67%	1%	0
Sun 9p	Clear	48°9° (likely 48°9° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	85%	1%	0
Sun 10p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	95%	4%	0
Sun 11p	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	97%	12%	0
Mon 12a	Clear	42°6° (likely 42°6° to 45°7°)	43°6°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	13%	0
Mon 1a	Clear	42°6° (likely 40°4° to 45°7°)	42°6°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	17%	0
Mon 2a	Clear	41°5° (likely 39°4° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	24%	0
Mon 3a	Fog	40°4° (likely 36°2° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	22%	0
Mon 4a	Fog	39°4° (likely 35°2° to 44°7°)	39°4°	0%	1 mph2 km/h from S, gusts 2 mph3 km/h	100%	18%	0

Days ahead

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

Today, Oct 24. Fog. High 66°19°, low 36°2°. Typical 60°16° / 42°6°. 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, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Today: Patchy fog before 7am, then areas of fog and patchy frost between 7am and 10am. Sunny, with a high near 66. East wind around 2 mph.
Tonight: Patchy fog. Clear, with a low around 36. East wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–66°19°
Low, likely
34°1°–42°6°
Typical high / low
60°16° / 42°6°
Wind
7 mph12 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 67°19°, low 36°2°. Typical 60°16° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Fog, 39°4°
  Dry
Official NWS forecast
Day: Areas of fog and patchy frost before 10am. Sunny, with a high near 67. Southeast wind around 1 mph.
Night: Areas of fog after 10pm. Clear, with a low around 36. Southeast wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–67°19°
Low, likely
33°1°–40°4°
Typical high / low
60°16° / 42°6°
Wind
5 mph9 km/h
UV peak
4
Monday, Oct 26. Fog. High 69°21°, low 42°6°. Typical 59°15° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy frost and patchy fog before 9am. Sunny, with a high near 69.
Night: Mostly clear, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
33°1°–42°6°
Typical high / low
59°15° / 42°6°
Wind
5 mph8 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 67°19°, low 42°6°. Typical 59°15° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
40°4°–45°7°
Typical high / low
59°15° / 41°5°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 70°21°, low 45°7°. Typical 59°15° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 70.
Night: Mostly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
41°5°–48°9°
Typical high / low
59°15° / 41°5°
Wind
9 mph14 km/h, gusts 16 mph26 km/h
UV peak
3
Thursday, Oct 29. Mostly sunny. High 72°22°, low 45°7°. Typical 58°14° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72.
Night: Mostly clear, with a low around 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–72°22°
Low, likely
43°6°–49°9°
Typical high / low
58°14° / 41°5°
Wind
8 mph13 km/h, gusts 27 mph44 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 69°21°, low 46°8°. Typical 58°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–71°22°
Low, likely
43°6°–48°9°
Typical high / low
58°14° / 40°4°
Wind
7 mph12 km/h, gusts 18 mph29 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 69°21°, low 47°8°. Typical 57°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 53°12°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
40°4°–53°12°
Typical high / low
57°14° / 40°4°
Wind
6 mph10 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 68°20°, low 53°12°. Typical 57°14° / 40°4°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  20% chance
3. Evening
  6 PM–midnight
  Drizzle, 60°16°
  30% chance · 0.03 in0.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°16°
  40% chance · 0.03 in0.8 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
61°16°–73°23°
Low, likely
50°10°–55°13°
Typical high / low
57°14° / 40°4°
Wind
11 mph17 km/h, gusts 26 mph42 km/h
Monday, Nov 2. Drizzle. High 66°19°, low 58°14°. Typical 57°14° / 39°4°. Rain 0.14 in3.6 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  40% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 67°19°
  40% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  40% chance · 0.03 in0.8 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
59°15°–70°21°
Low, likely
55°13°–59°15°
Typical high / low
57°14° / 39°4°
Wind
9 mph14 km/h, gusts 22 mph35 km/h

10 days15 days30 days

The outlook

Today
Dry, high 66°, low 36°.
Tomorrow
Dry, high 67°, low 36°.
Monday
Dry, high 69°, low 42°.
Rest of week
Highs 66–72°; 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

Monongahela River at Charleroi Lock and Dam

1.0 mi

Below flood stage

Level: 8.3 ft

Forecast peak 8.2 ft Sat 8 AM

Reading from Sat 4 AM · NWS gauge page

Youghiogheny River at Sutersville

7.3 mi

Below flood stage

Level: 4.1 ft
Flow: 1,620 cfs

Forecast peak 4.3 ft Sat 2 PM

Reading from Sat 4:15 AM · NWS gauge page

Monongahela River at Maxwell Lock and Dam (lower pool)

11 mi

Below flood stage

Level: 10.3 ft
Flow: 7,460 cfs

Forecast peak 10.2 ft Sat 8 AM

Reading from Sat 3:30 AM · NWS gauge page

Monongahela River at Braddock Lock and Dam

17 mi

Below flood stage

Level: 14.6 ft
Flow: 475 cfs

Forecast peak 14.8 ft Sat 8 AM

Reading from Sat 4:13 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 30Typical 104

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 23
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?

Today, 12:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

PITTSBURGH ALLEGHENY COUNTY AP · official normals 1991–2020 · records 1935–2026

Oct 24, today vs a typical year

Today’s expected high is 6°3° warmer than typical.

Last 7 days vs normal

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

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

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

Sun & moon

Sun

Daylight: 10 h 47 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 28 min less
Golden hour: 5:49–6:43 PM; Morning 7:22–8:17 AM
Blue hour: 6:43–6:54 PM; Morning 7:12–7:22 AM; first light 7:12 AM

Stars tonight? Good

Clear 5:30–7:12 AM; moon 96% lit but below the horizon.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:52 AM · rises 5:23 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from Monessen. The highest point on the skyline is about 3,000 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Monessen, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Monongahela River at Charleroi Lock and Dam

Youghiogheny River at Sutersville

Monongahela River at Maxwell Lock and Dam (lower pool)

Monongahela River at Braddock Lock and Dam

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? Good

Moon