Observed 5:00 PM EDT at KBFD

St. Marys, PA weather

Sunny and 55°13°.

Forecasts agree

Now 55°13°

Sunny

Wind: 3 mph5 km/h; From the east-southeast. Light through 5 AM
Dew point: 25°−4°; Dry · up to 33°1° by 8 PM
UV tomorrow: 4Moderate; Moderate 12–4 PM · peak 4
Pressure: 30.36 inHg1028 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Hard freeze tonight 2–9 AM (low 28°−2°)
Low 28°−2° tomorrow at 7 AM
Above 40°4° tomorrow by 10 AM
Below freezing tomorrow night 3–9 AM (low 29°−2°)

TonightDown to 29°−2° by 5 AM · freezing, low 29°−2° · Partly cloudy
Tomorrow morningUp to 50°10° by 11 AM · freezing, low 28°−2° · Clear
Tomorrow afternoonUp to 60°16° by 4 PM · Clear
Tomorrow nightDown to 31°−1° by 5 AM · freezing, low 31°−1° · Clear
Sunday morningUp to 51°11° by 11 AM · freezing, low 29°−2° · Clear
Sunday afternoonUp to 64°18° by 4 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
Fri 5p	Cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	35%	77%	1
Fri 6p	Cloudy	53°12° (likely 52°11° to 56°13°)	53°12°	0%	2 mph3 km/h from E, gusts 8 mph12 km/h	43%	78%	0
Fri 7p	Partly cloudy	49°9° (likely 48°9° to 51°11°)	49°9°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	52%	69%	0
Fri 8p	Cloudy	45°7° (likely 45°7° to 49°9°)	45°7°	0%	2 mph3 km/h from E, gusts 5 mph9 km/h	63%	62%	0
Fri 9p	Mostly clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	1 mph2 km/h from E, gusts 5 mph9 km/h	79%	54%	0
Fri 10p	Mostly clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	85%	36%	0
Fri 11p	Clear	37°3° (likely 37°3° to 45°7°)	37°3°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	92%	33%	0
Sat 12a	Clear	35°2° (likely 35°2° to 44°7°)	35°2°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	96%	1%	0
Sat 1a	Clear	34°1° (likely 34°1° to 43°6°)	34°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	7%	0
Sat 2a	Clear	32°0° (likely 32°0° to 42°6°)	32°0°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	1%	0
Sat 3a	Clear	31°−1° (likely 31°−1° to 41°5°)	31°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	0%	0
Sat 4a	Clear	30°−1° (likely 30°−1° to 41°5°)	30°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	0%	0
Sat 5a	Clear	29°−2° (likely 29°−2° to 40°4°)	29°−2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sat 6a	Clear	29°−2° (likely 29°−2° to 39°4°)	29°−2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sat 7a	Clear	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	0%	0
Sat 8a	Sunny	28°−2° (likely 28°−2° to 38°3°)	28°−2°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	100%	0%	0
Sat 9a	Sunny	35°2° (likely 35°2° to 41°5°)	35°2°	0%	1 mph2 km/h from E, gusts 4 mph6 km/h	92%	0%	1
Sat 10a	Sunny	43°6° (likely 43°6° to 47°8°)	43°6°	0%	2 mph3 km/h from SE, gusts 9 mph15 km/h	82%	0%	1
Sat 11a	Sunny	50°10° (likely 50°10° to 52°11°)	49°9°	0%	3 mph5 km/h from S, gusts 12 mph19 km/h	63%	0%	2
Sat 12p	Sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	5 mph8 km/h from S, gusts 11 mph17 km/h	54%	0%	3
Sat 1p	Sunny	57°14° (likely 55°13° to 57°14°)	57°14°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	45%	0%	4
Sat 2p	Sunny	58°14° (likely 56°13° to 58°14°)	58°14°	0%	5 mph8 km/h from S, gusts 10 mph16 km/h	44%	0%	4
Sat 3p	Sunny	59°15° (likely 57°14° to 59°15°)	59°15°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	40%	0%	3
Sat 4p	Sunny	60°16° (likely 57°14° to 60°16°)	60°16°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	39%	1%	2
Sat 5p	Sunny	58°14° (likely 55°13° to 58°14°)	58°14°	0%	3 mph5 km/h from SE, gusts 10 mph16 km/h	40%	0%	1
Sat 6p	Clear	55°13° (likely 50°10° to 55°13°)	55°13°	0%	3 mph5 km/h from SE, gusts 9 mph15 km/h	47%	0%	0
Sat 7p	Clear	50°10° (likely 46°8° to 50°10°)	50°10°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	56%	0%	0
Sat 8p	Clear	44°7° (likely 43°6° to 47°8°)	44°7°	0%	2 mph3 km/h from SE, gusts 7 mph10 km/h	70%	0%	0
Sat 9p	Clear	42°6° (likely 42°6° to 45°7°)	42°6°	0%	1 mph2 km/h from SE, gusts 5 mph8 km/h	76%	0%	0
Sat 10p	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	85%	0%	0
Sat 11p	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	1 mph2 km/h from SE, gusts 3 mph6 km/h	92%	0%	0
Sun 12a	Clear	36°2° (likely 36°2° to 41°5°)	36°2°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	92%	0%	0
Sun 1a	Clear	35°2° (likely 35°2° to 41°5°)	35°2°	0%	1 mph2 km/h from SE, gusts 4 mph7 km/h	92%	0%	0
Sun 2a	Clear	33°1° (likely 33°1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 3a	Clear	32°0° (likely 32°0° to 39°4°)	32°0°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	0%	0
Sun 4a	Clear	32°0° (likely 32°0° to 39°4°)	32°0°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	0%	0
Sun 5a	Clear	31°−1° (likely 31°−1° to 38°3°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	0%	0
Sun 6a	Clear	30°−1° (likely 30°−1° to 37°3°)	30°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	1%	0
Sun 7a	Clear	29°−2° (likely 29°−2° to 36°2°)	29°−2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	1%	0
Sun 8a	Sunny	29°−2° (likely 29°−2° to 36°2°)	29°−2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	1%	0
Sun 9a	Sunny	34°1° (likely 34°1° to 39°4°)	34°1°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	100%	2%	0
Sun 10a	Sunny	42°6° (likely 42°6° to 45°7°)	42°6°	0%	2 mph3 km/h from SE, gusts 8 mph13 km/h	89%	0%	1
Sun 11a	Sunny	51°11° (likely 51°11° to 52°11°)	51°11°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	63%	0%	3
Sun 12p	Sunny	56°13° (likely 54°12° to 56°13°)	56°13°	0%	2 mph3 km/h from S, gusts 10 mph16 km/h	51%	0%	3
Sun 1p	Sunny	60°16° (likely 57°14° to 60°16°)	60°16°	0%	3 mph5 km/h from S, gusts 10 mph16 km/h	44%	1%	4
Sun 2p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	41%	1%	4
Sun 3p	Sunny	63°17° (likely 59°15° to 63°17°)	63°17°	0%	3 mph5 km/h from S, gusts 9 mph14 km/h	39%	0%	3
Sun 4p	Sunny	64°18° (likely 59°15° to 64°18°)	64°18°	0%	3 mph5 km/h from S, gusts 8 mph13 km/h	37%	0%	2

Days ahead

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

Today, Oct 23. Mostly sunny. High 59°15°, low 28°−2°. Typical 59°15° / 36°2°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Mostly clear, 45°7°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 29°−2°
  Dry
Official NWS forecast
Today: Sunny, with a high near 59. East wind around 3 mph.
Tonight: Mostly clear, with a low around 28. East wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
58°14°–59°15°
Low, likely
28°−2°–43°6°
Typical high / low
59°15° / 36°2°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
4
Tomorrow, Oct 24. Sunny. High 60°16°, low 29°−2°. Typical 58°14° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 28°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 31°−1°
  Dry
Official NWS forecast
Day: Sunny, with a high near 60. Southeast wind 0 to 5 mph.
Night: Areas of fog after 3am. Clear, with a low around 29. Southeast wind 0 to 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
57°14°–60°16°
Low, likely
29°−2°–38°3°
Typical high / low
58°14° / 35°2°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
4
Sunday, Oct 25. Fog. High 64°18°, low 34°1°. Typical 58°14° / 35°2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 29°−2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°4°
  Dry
Official NWS forecast
Day: Areas of fog before 10am. Sunny, with a high near 64. South wind 0 to 3 mph.
Night: Areas of fog after 10pm. Mostly clear, with a low around 34.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–64°18°
Low, likely
33°1°–36°2°
Typical high / low
58°14° / 35°2°
Wind
6 mph9 km/h, gusts 15 mph23 km/h
UV peak
4
Monday, Oct 26. Cloudy. High 67°19°, low 38°3°. Typical 58°14° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of fog before 9am. Sunny, with a high near 67.
Night: Partly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
38°3°–41°5°
Typical high / low
58°14° / 35°2°
Wind
9 mph14 km/h, gusts 21 mph34 km/h
UV peak
4
Tuesday, Oct 27. Cloudy. High 61°16°, low 34°1°. Typical 57°14° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: Mostly cloudy, with a low around 34.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–61°16°
Low, likely
34°1°–42°6°
Typical high / low
57°14° / 34°1°
Wind
6 mph10 km/h, gusts 15 mph24 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 62°17°, low 41°5°. Typical 57°14° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 62.
Night: Mostly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–62°17°
Low, likely
37°3°–44°7°
Typical high / low
57°14° / 34°1°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 67°19°, low 42°6°. Typical 56°13° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  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
63°17°–67°19°
Low, likely
41°5°–47°8°
Typical high / low
56°13° / 34°1°
Wind
12 mph19 km/h, gusts 29 mph46 km/h
UV peak
4
Friday, Oct 30. Cloudy. High 62°17°, low 44°7°. Typical 56°13° / 34°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 40°5°
  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
54°12°–67°19°
Low, likely
42°6°–46°8°
Typical high / low
56°13° / 34°1°
Wind
9 mph15 km/h, gusts 21 mph34 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 60°16°, low 40°4°. Typical 56°13° / 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 44°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
46°8°–67°19°
Low, likely
34°1°–47°8°
Typical high / low
56°13° / 33°1°
Wind
8 mph13 km/h, gusts 21 mph34 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 57°14°, low 45°7°. Typical 55°13° / 33°1°. Rain 0.21 in5.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 45°7°
  30% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 53°12°
  40% chance · 0.19 in4.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 50°10°
  40% chance · 0.01 in0.3 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
53°12°–63°17°
Low, likely
30°−1°–50°10°
Typical high / low
55°13° / 33°1°
Wind
10 mph15 km/h, gusts 24 mph39 km/h

10 days15 days30 days

The outlook

Today
Dry, high 59°, low 28°.
Tomorrow
Dry, high 60°, low 29°.
Sunday
Dry, high 64°, low 34°, warming up.
Rest of week
Highs 57–67°; chance of precipitation on Sunday.

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

Sinnemahoning Creek at Sinnemahoning

24 mi

Below flood stage

Level: 2.3 ft
Flow: 217 cfs

Forecast peak 2.3 ft Fri 8 PM

Reading from Fri 4:15 PM · NWS gauge page

East Branch Clarion River Lake at East Branch Dam Tailwater

7.8 mi

Level: 2.2 ft
Flow: 74 cfs

Reading from Fri 3:45 PM · NWS gauge page

East Branch Clarion River Lake near Glen Hazel

8.2 mi

Level: 1649 ft

Reading from Fri 3:15 PM · NWS gauge page

Clarion River at Johnsonburg

8.5 mi

Below flood stage

Level: 1.6 ft
Flow: 105 cfs

Reading from Fri 3:45 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 44Typical 132

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

Comfort

Dry air outside (dew point 25°F).

Open the windows?

Sun, 1:00 PM–4:00 PM

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

Is this typical?

Ridgway · official normals 1991–2020 · records 1913–2026

Oct 23, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

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

+5°+3°SatOct 17
−10°−6°SunOct 18
−3°−2°MonOct 19
+1°TueOct 20
+1°WedOct 21
+1°ThuOct 22
−2°−1°FriOct 23

St. Marys 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 35 min less
Golden hour: 5:42–6:38 PM; Morning 7:17–8:13 AM
Blue hour: 6:38–6:49 PM; Morning 7:06–7:17 AM; first light 7:06 AM

Stars tonight? Good

Mostly clear 12–7:08 AM; moon 95% lit, sets 5:47 AM.

Moon

Waxing gibbous

93% lit · growing

Today: sets 4:38 AM · rises 4:53 PM
Full moon: Oct 26
New moon: Nov 9

Looking north from St. Marys. The highest point on the skyline is about 2,400 ft, 7 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.