Observed 3:10 AM EDT at KPIT

Rosslyn Farms, PA weather

Clear and 43°6°.

Forecasts agree

Now 43°6°

Clear

Wind: Calm; Light through 3 PM
Dew point: 39°4°; Comfortable
UV index: 0Low; Moderate 11 AM–5 PM · peak 4
Air quality: 60Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.41 inHg1030 hPa; Rising slowly · +0.01 inHg+0.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

3°1° cooler than this time yesterday (45°7° then, 42°6° now)

Good hours for

Low 38°3° today at 8 AM
Above 50°10° today by 11 AM
High 65°18° today at 4 PM

TonightNear 41°5° · Clear
This morningUp to 54°12° by 11 AM · Clear
This afternoonUp to 65°18° by 4 PM · Clear
TonightDown to 39°4° by 5 AM · Clear
Tomorrow morningUp to 54°12° by 11 AM · Clear
Tomorrow afternoonUp to 66°19° by 4 PM · Clear
Tomorrow nightDown to 42°6° by 2 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 3a	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	90%	0%	0
Sat 4a	Clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	91%	0%	0
Sat 5a	Clear	40°4° (likely 40°4° to 43°6°)	40°4°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	92%	0%	0
Sat 6a	Clear	40°4° (likely 40°4° to 42°6°)	40°4°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	94%	0%	0
Sat 7a	Clear	39°4° (likely 39°4° to 42°6°)	39°4°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	96%	0%	0
Sat 8a	Sunny	38°3° (likely 38°3° to 42°6°)	38°3°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	97%	0%	0
Sat 9a	Sunny	42°6° (likely 42°6° to 45°7°)	42°6°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	93%	0%	0
Sat 10a	Sunny	48°9° (likely 48°9° to 51°11°)	48°9°	0%	2 mph3 km/h from SE, gusts 7 mph12 km/h	79%	0%	1
Sat 11a	Sunny	54°12° (likely 54°12° to 55°13°)	54°12°	0%	2 mph3 km/h from SE, gusts 8 mph12 km/h	65%	0%	3
Sat 12p	Sunny	58°14° (likely 58°14° to 59°15°)	58°14°	0%	2 mph3 km/h from SE, gusts 6 mph9 km/h	55%	0%	3
Sat 1p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	1 mph2 km/h from SE, gusts 6 mph9 km/h	50%	0%	4
Sat 2p	Sunny	63°17° (likely 62°17° to 63°17°)	63°17°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	47%	0%	4
Sat 3p	Sunny	64°18° (likely 63°17° to 64°18°)	64°18°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	44%	2%	4
Sat 4p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	42%	1%	3
Sat 5p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	41%	2%	2
Sat 6p	Clear	62°17° (likely 58°14° to 62°17°)	62°17°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	47%	0%	1
Sat 7p	Clear	58°14° (likely 54°12° to 58°14°)	58°14°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	54%	0%	0
Sat 8p	Clear	52°11° (likely 52°11° to 54°12°)	52°11°	0%	2 mph3 km/h from E, gusts 9 mph14 km/h	72%	0%	0
Sat 9p	Clear	50°10° (likely 50°10° to 51°11°)	49°9°	0%	3 mph5 km/h from SE, gusts 9 mph14 km/h	79%	0%	0
Sat 10p	Clear	48°9° (likely 48°9° to 50°10°)	47°8°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	83%	4%	0
Sat 11p	Clear	46°8° (likely 46°8° to 49°9°)	45°7°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	84%	2%	0
Sun 12a	Clear	44°7° (likely 44°7° to 46°8°)	44°7°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	85%	0%	0
Sun 1a	Clear	43°6° (likely 43°6° to 45°7°)	43°6°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	87%	0%	0
Sun 2a	Clear	42°6° (likely 42°6° to 44°7°)	42°6°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	88%	0%	0
Sun 3a	Clear	41°5° (likely 41°5° to 43°6°)	41°5°	0%	1 mph2 km/h from E, gusts 3 mph5 km/h	89%	0%	0
Sun 4a	Clear	40°4° (likely 40°4° to 42°6°)	40°4°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	90%	0%	0
Sun 5a	Clear	39°4° (likely 39°4° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	0%	0
Sun 6a	Clear	38°3° (likely 38°3° to 41°5°)	38°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	94%	0%	0
Sun 7a	Clear	37°3° (likely 37°3° to 40°4°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	95%	0%	0
Sun 8a	Sunny	37°3° (likely 37°3° to 40°4°)	37°3°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	0%	0
Sun 9a	Sunny	40°4° (likely 40°4° to 44°7°)	40°4°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	99%	0%	0
Sun 10a	Sunny	47°8° (likely 47°8° to 51°11°)	47°8°	0%	1 mph2 km/h from SE, gusts 7 mph12 km/h	83%	1%	1
Sun 11a	Sunny	54°12° (likely 54°12° to 56°13°)	54°12°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	67%	2%	2
Sun 12p	Sunny	58°14° (likely 58°14° to 59°15°)	59°15°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	59%	2%	3
Sun 1p	Sunny	62°17° (likely 61°16° to 62°17°)	62°17°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	51%	2%	4
Sun 2p	Sunny	64°18° (likely 62°17° to 64°18°)	64°18°	0%	1 mph2 km/h from S, gusts 5 mph9 km/h	47%	1%	4
Sun 3p	Sunny	65°18° (likely 63°17° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 5 mph7 km/h	45%	2%	4
Sun 4p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	0 mph0 km/h, gusts 5 mph7 km/h	43%	4%	3
Sun 5p	Sunny	65°18° (likely 62°17° to 65°18°)	65°18°	0%	0 mph0 km/h, gusts 4 mph7 km/h	42%	2%	2
Sun 6p	Clear	63°17° (likely 60°16° to 63°17°)	63°17°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	50%	7%	1
Sun 7p	Clear	58°14° (likely 55°13° to 58°14°)	58°14°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	58%	31%	0
Sun 8p	Clear	52°11° (likely 52°11° to 55°13°)	52°11°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	74%	6%	0
Sun 9p	Clear	50°10° (likely 48°9° to 57°14°)	50°10°	0%	0 mph0 km/h, gusts 1 mph2 km/h	83%	10%	0
Sun 10p	Clear	48°9° (likely 46°8° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	12%	0
Sun 11p	Clear	46°8° (likely 44°7° to 54°12°)	46°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	92%	3%	0
Mon 12a	Clear	44°7° (likely 42°6° to 53°12°)	45°7°	0%	0 mph0 km/h, gusts 2 mph2 km/h	96%	13%	0
Mon 1a	Clear	43°6° (likely 41°5° to 53°12°)	43°6°	0%	0 mph0 km/h, gusts 2 mph3 km/h	98%	3%	0
Mon 2a	Clear	42°6° (likely 40°4° to 52°11°)	42°6°	0%	0 mph0 km/h, gusts 1 mph2 km/h	99%	4%	0

Days ahead

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

Today, Oct 24. Sunny. High 65°18°, low 38°3°. Typical 60°16° / 41°5°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Today: Patchy fog before 10am. Sunny, with a high near 65. Southeast wind around 2 mph.
Tonight: Clear, with a low around 38. East wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–65°18°
Low, likely
38°3°–41°5°
Typical high / low
60°16° / 41°5°
Wind
7 mph12 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 67°19°, low 38°3°. Typical 60°16° / 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  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, 42°6°
  Dry
Official NWS forecast
Day: Patchy fog before 10am. Sunny, with a high near 67. Southeast wind around 2 mph.
Night: Areas of fog after midnight. Mostly clear, with a low around 38. Southeast wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
38°3°–40°4°
Typical high / low
60°16° / 41°5°
Wind
5 mph8 km/h, gusts 11 mph18 km/h
UV peak
4
Monday, Oct 26. Fog. High 69°21°, low 43°6°. Typical 59°15° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Sunny, with a high near 69.
Night: Partly cloudy, with a low around 43.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
37°3°–46°8°
Typical high / low
59°15° / 40°4°
Wind
5 mph8 km/h, gusts 11 mph18 km/h
UV peak
4
Tuesday, Oct 27. Partly sunny. High 65°18°, low 44°7°. Typical 59°15° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Partly 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 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
41°5°–49°9°
Typical high / low
59°15° / 40°4°
Wind
6 mph9 km/h, gusts 12 mph20 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 68°20°, low 46°8°. Typical 58°14° / 40°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 68.
Night: Partly cloudy, with a low around 46.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
45°7°–49°9°
Typical high / low
58°14° / 40°4°
Wind
7 mph10 km/h, gusts 16 mph26 km/h
UV peak
3
Thursday, Oct 29. Mostly sunny. High 71°22°, low 46°8°. Typical 58°14° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 71.
Night: Mostly clear, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
69°21°–71°22°
Low, likely
45°7°–49°9°
Typical high / low
58°14° / 39°4°
Wind
8 mph14 km/h, gusts 26 mph41 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 68°20°, low 46°8°. Typical 58°14° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 57°14°
  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 68.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–72°22°
Low, likely
42°6°–50°10°
Typical high / low
58°14° / 39°4°
Wind
7 mph11 km/h, gusts 21 mph33 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 69°21°, low 47°8°. Typical 57°14° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly 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
66°19°–73°23°
Low, likely
41°5°–57°14°
Typical high / low
57°14° / 39°4°
Wind
7 mph11 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 68°20°, low 54°12°. Typical 57°14° / 38°3°. Rain 0.07 in1.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  20% chance
2. Afternoon
  noon–6 PM
  Drizzle, 68°20°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  30% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  40% chance · 0.07 in1.9 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
60°16°–74°23°
Low, likely
49°9°–57°14°
Typical high / low
57°14° / 38°3°
Wind
10 mph16 km/h, gusts 27 mph44 km/h
Monday, Nov 2. Drizzle. High 63°17°, low 55°13°. Typical 56°13° / 38°3°. Rain 0.4 in10 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.13 in3.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 65°18°
  40% chance · 0.09 in2.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 57°14°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–65°18°
Low, likely
53°12°–57°14°
Typical high / low
56°13° / 38°3°
Wind
15 mph24 km/h, gusts 35 mph57 km/h

10 days15 days30 days

The outlook

Today
Dry, high 65°, low 38°.
Tomorrow
Dry, high 67°, low 38°.
Monday
Dry, high 69°, low 43°.
Rest of week
Highs 63–71°; 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

Ohio River at Pittsburgh

4.3 mi

Below flood stage

Level: 17.1 ft
Flow: 100,000 cfs

Forecast peak 16.6 ft Sat 8 AM

Reading from Sat 1:45 AM · NWS gauge page

Allegheny River at Sharpsburg Lock and Dam

10 mi

Below flood stage

Level: 10.7 ft
Flow: 7,720 cfs

Forecast peak 10.7 ft Sat 8 AM

Reading from Sat 1:30 AM · NWS gauge page

Ohio River at Dashields Lock and Dam

11 mi

Below flood stage

Level: 14.8 ft
Flow: 20,900 cfs

Forecast peak 14.6 ft Sat 8 AM

Reading from Sat 1:15 AM · NWS gauge page

Monongahela River at Braddock Lock and Dam

12 mi

Below flood stage

Level: 14.6 ft
Flow: 558 cfs

Forecast peak 14.8 ft Sat 8 AM

Reading from Sat 2:13 AM · NWS gauge page

For your home

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

Heating this week

About 73% less heating than a typical week.

This week 29Typical 109

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 22
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 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 1:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

Pittsburgh International Airport · official normals 1991–2020 · records 1875–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

−6°−3°SunOct 18
−2°−1°MonOct 19
±0°TueOct 20
±0°WedOct 21
−2°−1°ThuOct 22
—FriOct 23
—SatOct 24

Rosslyn Farms 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: 5:49–6:44 PM; Morning 7:24–8:19 AM
Blue hour: 6:44–6:55 PM; Morning 7:13–7:24 AM; first light 7:13 AM

Stars tonight? Good

Clear 3:35–7:13 AM; moon 96% lit, sets 5:53 AM.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:53 AM · rises 5:24 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Rosslyn Farms.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Rosslyn Farms, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Ohio River at Pittsburgh

Allegheny River at Sharpsburg Lock and Dam

Ohio River at Dashields Lock and Dam

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