Observed 7:40 AM EDT at KBTP

Renfrew, PA weather

Clear and 34°1°.

Forecasts agree

Now 34°1°

Clear · Feels like 29°−2°

Feels like: 29°−2°; Wind chill from 6 mph9 km/h wind · air 34°1°
Wind: 6 mph9 km/h; From the northeast. Up to 6 mph9 km/h through 8 PM
Dew point: 34°1°; Dry · up to 43°6° by 11 AM (comfortable)
Humidity: 100%; Air 34°1°, dew point 34°1° · frost likely
UV index: 0Low; Moderate 12–5 PM · peak 4
Pressure: 30.46 inHg1031 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

Above 50°10° today by 11 AM
High 64°18° today at 4 PM
Below 50°10° tonight after 8 PM
Fog tomorrow night 11 PM–2 AM
Fog tomorrow night from 3 AM

This morningUp to 53°12° by 11 AM · Clear
This afternoonUp to 64°18° by 4 PM · Clear
TonightDown to 35°2° by 5 AM · Clear
Tomorrow morningUp to 53°12° by 11 AM · Clear
Tomorrow afternoonUp to 65°18° by 3 PM · Clear
Tomorrow nightDown to 38°3° by 5 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 8a	Sunny	35°2° (likely 35°2° to 41°5°)	32°0°	0%	3 mph5 km/h from E, gusts 8 mph13 km/h	100%	2%	0
Sat 9a	Sunny	39°4° (likely 39°4° to 46°8°)	36°2°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	96%	0%	0
Sat 10a	Sunny	47°8° (likely 47°8° to 51°11°)	45°7°	0%	3 mph5 km/h from E, gusts 11 mph17 km/h	81%	0%	1
Sat 11a	Sunny	53°12° (likely 52°11° to 55°13°)	53°12°	0%	3 mph5 km/h from SE, gusts 11 mph17 km/h	68%	0%	2
Sat 12p	Sunny	57°14° (likely 55°13° to 58°14°)	57°14°	0%	3 mph5 km/h from SE, gusts 8 mph14 km/h	56%	1%	3
Sat 1p	Sunny	61°16° (likely 57°14° to 61°16°)	61°16°	0%	3 mph5 km/h from SE, gusts 8 mph12 km/h	52%	1%	4
Sat 2p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	48%	0%	4
Sat 3p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from SE, gusts 8 mph14 km/h	46%	0%	4
Sat 4p	Sunny	64°18° (likely 60°16° to 64°18°)	64°18°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	44%	0%	3
Sat 5p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	45%	0%	2
Sat 6p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	52%	0%	1
Sat 7p	Clear	55°13° (likely 49°9° to 55°13°)	55°13°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	62%	0%	0
Sat 8p	Clear	49°9° (likely 46°8° to 51°11°)	49°9°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	81%	0%	0
Sat 9p	Clear	46°8° (likely 44°7° to 49°9°)	46°8°	0%	2 mph3 km/h from E, gusts 8 mph13 km/h	87%	0%	0
Sat 10p	Clear	44°7° (likely 43°6° to 48°9°)	43°6°	0%	3 mph5 km/h from SE, gusts 8 mph13 km/h	90%	0%	0
Sat 11p	Clear	42°6° (likely 42°6° to 46°8°)	40°4°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	91%	0%	0
Sun 12a	Clear	41°5° (likely 41°5° to 45°7°)	39°4°	0%	3 mph5 km/h from E, gusts 10 mph16 km/h	92%	0%	0
Sun 1a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	2 mph3 km/h from E, gusts 8 mph14 km/h	92%	0%	0
Sun 2a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	92%	0%	0
Sun 3a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	90%	0%	0
Sun 4a	Clear	36°2° (likely 36°2° to 41°5°)	36°2°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	92%	0%	0
Sun 5a	Clear	35°2° (likely 35°2° to 40°4°)	35°2°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	95%	0%	0
Sun 6a	Clear	34°1° (likely 34°1° to 39°4°)	34°1°	0%	1 mph2 km/h from E, gusts 5 mph7 km/h	97%	0%	0
Sun 7a	Clear	34°1° (likely 34°1° to 38°3°)	34°1°	0%	1 mph2 km/h from E, gusts 6 mph9 km/h	98%	0%	0
Sun 8a	Sunny	34°1° (likely 34°1° to 38°3°)	34°1°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	98%	0%	0
Sun 9a	Sunny	37°3° (likely 37°3° to 43°6°)	37°3°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	98%	0%	0
Sun 10a	Sunny	47°8° (likely 47°8° to 50°10°)	47°8°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	82%	0%	1
Sun 11a	Sunny	53°12° (likely 53°12° to 54°12°)	53°12°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	69%	0%	2
Sun 12p	Sunny	58°14° (likely 56°13° to 58°14°)	58°14°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	62%	1%	3
Sun 1p	Sunny	62°17° (likely 58°14° to 62°17°)	62°17°	0%	3 mph5 km/h from S, gusts 7 mph11 km/h	55%	1%	4
Sun 2p	Sunny	64°18° (likely 60°16° to 64°18°)	64°18°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	51%	0%	4
Sun 3p	Sunny	65°18° (likely 61°16° to 65°18°)	65°18°	0%	2 mph3 km/h from S, gusts 6 mph9 km/h	49%	3%	4
Sun 4p	Sunny	65°18° (likely 61°16° to 65°18°)	65°18°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	47%	6%	3
Sun 5p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	47%	13%	2
Sun 6p	Clear	61°16° (likely 56°13° to 61°16°)	61°16°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	56%	6%	1
Sun 7p	Clear	56°13° (likely 50°10° to 56°13°)	56°13°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	67%	9%	0
Sun 8p	Clear	50°10° (likely 47°8° to 52°11°)	50°10°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	84%	16%	0
Sun 9p	Clear	47°8° (likely 44°7° to 51°11°)	47°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	92%	36%	0
Sun 10p	Clear	45°7° (likely 43°6° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 5 mph9 km/h	96%	18%	0
Sun 11p	Fog	44°7° (likely 42°6° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	98%	22%	0
Mon 12a	Fog	42°6° (likely 41°5° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	22%	0
Mon 1a	Fog	42°6° (likely 41°5° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	29%	0
Mon 2a	Clear	41°5° (likely 40°4° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	33%	0
Mon 3a	Fog	40°4° (likely 39°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	36%	0
Mon 4a	Fog	39°4° (likely 39°4° to 46°8°)	39°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	42%	0
Mon 5a	Fog	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	23%	0
Mon 6a	Fog	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	25%	0
Mon 7a	Fog	36°2° (likely 36°2° to 45°7°)	36°2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	26%	0

Days ahead

Shaded: typical range for these dates (2017–2026)

Today, Oct 24. Sunny. High 64°18°, low 33°1°. Typical 59°15° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Today: Patchy frost before 9am. Sunny, with a high near 64. East wind around 5 mph.
Tonight: Patchy frost between 4am and 5am, then areas of frost and patchy fog. Clear, with a low around 33. East wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–64°18°
Low, likely
33°1°–41°5°
Typical high / low
59°15° / 40°4°
Wind
7 mph11 km/h, gusts 13 mph22 km/h
UV peak
4
Tomorrow, Oct 25. Fog. High 66°19°, low 36°2°. Typical 59°15° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Fog, 38°3°
  Dry
Official NWS forecast
Day: Areas of frost and patchy fog before 10am. Sunny, with a high near 66. Southeast wind around 3 mph.
Night: Areas of fog after 10pm. Mostly clear, with a low around 36. Southeast wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–66°19°
Low, likely
35°2°–38°3°
Typical high / low
59°15° / 40°4°
Wind
7 mph11 km/h, gusts 13 mph22 km/h
UV peak
4
Monday, Oct 26. Fog. High 69°21°, low 40°4°. Typical 59°15° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog and patchy frost before 9am. Sunny, with a high near 69. Southwest wind 0 to 5 mph.
Night: Partly cloudy, with a low around 40.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
37°3°–43°6°
Typical high / low
59°15° / 39°4°
Wind
6 mph9 km/h, gusts 15 mph23 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 64°18°, low 40°4°. Typical 58°15° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°11°
  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 64.
Night: Partly cloudy, with a low around 40.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
63°17°–65°18°
Low, likely
40°4°–46°8°
Typical high / low
58°15° / 39°4°
Wind
6 mph10 km/h, gusts 13 mph20 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 68°20°, low 44°7°. Typical 58°15° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 54°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°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 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
44°7°–47°8°
Typical high / low
58°15° / 39°4°
Wind
9 mph14 km/h, gusts 17 mph28 km/h
UV peak
3
Thursday, Oct 29. Mostly sunny. High 71°22°, low 44°7°. Typical 58°15° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  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 44.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–71°22°
Low, likely
44°7°–48°9°
Typical high / low
58°15° / 39°4°
Wind
8 mph14 km/h, gusts 27 mph44 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 68°20°, low 41°5°. Typical 58°15° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  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, 42°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–70°21°
Low, likely
41°5°–48°9°
Typical high / low
58°15° / 39°4°
Wind
9 mph15 km/h, gusts 21 mph34 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 66°19°, low 45°7°. Typical 58°14° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  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
56°13°–72°22°
Low, likely
39°4°–48°9°
Typical high / low
58°14° / 38°3°
Wind
9 mph14 km/h, gusts 25 mph40 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 65°18°, low 51°11°. Typical 57°14° / 38°3°. Rain 0.05 in1.3 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  40% chance
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  50% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 56°13°
  50% chance · 0.04 in1.1 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
56°13°–72°22°
Low, likely
44°7°–54°12°
Typical high / low
57°14° / 38°3°
Wind
11 mph18 km/h, gusts 28 mph45 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 60°16°, low 54°12°. Typical 57°14° / 37°3°. Rain 0.31 in7.9 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  50% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 60°16°
  50% chance · 0.09 in2.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 54°12°
  40% chance · 0.09 in2.3 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
48°9°–68°20°
Low, likely
45°7°–59°15°
Typical high / low
57°14° / 37°3°
Wind
10 mph16 km/h, gusts 27 mph43 km/h

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 33°.
Tomorrow
Dry, high 66°, low 36°.
Monday
Dry, high 69°, low 40°, warming up.
Rest of week
Highs 60–71°; 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

Allegheny River at Freeport Lock and Dam

18 mi

Below flood stage

Level: 9.7 ft
Flow: 3,180 cfs

Forecast peak 9.8 ft Sat 8 AM

Reading from Sat 6:30 AM · NWS gauge page

Allegheny River at Natrona Lock and Dam

18 mi

Below flood stage

Level: 11.0 ft
Flow: 8,180 cfs

Forecast peak 11.0 ft Sat 8 AM

Reading from Sat 6:15 AM · NWS gauge page

Beaver River near Beaver Falls

19 mi

Below flood stage

Level: 4.9 ft
Flow: 1,170 cfs

Forecast peak 4.9 ft Sat 8 AM

Reading from Sat 6:15 AM · NWS gauge page

Allegheny River at C.W. Bill Young Lock and Dam

20 mi

Below flood stage

Level: 10.6 ft
Flow: 9,830 cfs

Forecast peak 10.6 ft Sat 8 AM

Reading from Sat 5:45 AM · NWS gauge page

For your home

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

Heating this week

About 71% less heating than a typical week.

This week 33Typical 113

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 20 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

Today, 1:00 PM–6:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Butler County Airport · forecast.blue computed averages, 2017–2026 · records 2017–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Pittsburgh WSO City station, 1874–1979: records and averages

This station closed and is no longer reporting, but has a long history nearby. Its own average annual high was about 62°17°, over its full 1874–1979 record — not an NCEI normal, and not the same station as the computed averages above.

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

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:48–6:43 PM; Morning 7:24–8:19 AM
Blue hour: 6:43–6:54 PM; Morning 7:13–7:24 AM; first light 7:13 AM

Stars tonight? Fair

Clear 6:54 PM–7:14 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:53 AM · rises 5:23 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from Renfrew. The highest point on the skyline is about 4,800 ft, 31 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Renfrew, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Allegheny River at Freeport Lock and Dam

Allegheny River at Natrona Lock and Dam

Beaver River near Beaver Falls

Allegheny River at C.W. Bill Young 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? Fair

Moon