Observed 6:53 PM EDT at KSEG

Port Trevorton, PA weather

Clear and 44°7°.

Forecasts agree

Now 44°7°

Clear

Wind: Calm; Light through 7 AM
Dew point: 38°3°; Comfortable
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Pressure: 30.53 inHg1034 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

5°3° cooler than this time yesterday (49°9° then, 44°7° now)

Good hours for

Low 33°1° tomorrow at 7 AM
Above 50°10° tomorrow by noon
High 62°17° tomorrow at 4 PM
Below 50°10° tomorrow night after 9 PM

TonightDown to 34°1° by 5 AM · Clear
Tomorrow morningUp to 49°9° by 11 AM · Clear
Tomorrow afternoonUp to 62°17° by 4 PM · Clear
Tomorrow nightDown to 38°3° by 5 AM · Clear
Monday morningUp to 51°11° by 11 AM · Clear
Monday afternoonUp to 68°20° by 5 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
Sat 7p	Clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	1 mph2 km/h from S, gusts 2 mph3 km/h	56%	0%	0
Sat 8p	Clear	48°9° (likely 47°8° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 3 mph5 km/h	68%	0%	0
Sat 9p	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 3 mph6 km/h	89%	0%	0
Sat 10p	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	0%	0
Sat 11p	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 12a	Clear	37°3° (likely 37°3° to 45°7°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 1a	Clear	37°3° (likely 37°3° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 2 mph2 km/h	100%	0%	0
Sun 2a	Clear	36°2° (likely 36°2° to 43°6°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	8%	0
Sun 3a	Clear	35°2° (likely 35°2° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	12%	0
Sun 4a	Clear	35°2° (likely 35°2° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	13%	0
Sun 5a	Clear	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	13%	0
Sun 6a	Clear	34°1° (likely 34°1° to 40°4°)	34°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	13%	0
Sun 7a	Sunny	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	96%	13%	0
Sun 8a	Sunny	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 1 mph1 km/h	96%	12%	0
Sun 9a	Sunny	37°3° (likely 36°2° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 1 mph2 km/h	92%	11%	1
Sun 10a	Sunny	44°7° (likely 44°7° to 48°9°)	44°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	86%	0%	2
Sun 11a	Sunny	49°9° (likely 49°9° to 54°12°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	74%	0%	3
Sun 12p	Sunny	53°12° (likely 53°12° to 57°14°)	53°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	64%	1%	4
Sun 1p	Sunny	57°14° (likely 57°14° to 60°16°)	57°14°	0%	0 mph0 km/h, gusts 9 mph14 km/h	57%	2%	4
Sun 2p	Sunny	59°15° (likely 59°15° to 61°16°)	59°15°	0%	1 mph2 km/h from S, gusts 9 mph14 km/h	53%	3%	4
Sun 3p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	1 mph2 km/h from S, gusts 9 mph14 km/h	50%	2%	3
Sun 4p	Sunny	62°17° (likely 60°16° to 62°17°)	62°17°	0%	1 mph2 km/h from SW, gusts 9 mph15 km/h	48%	1%	2
Sun 5p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	1 mph2 km/h from SW, gusts 9 mph14 km/h	48%	0%	1
Sun 6p	Clear	59°15° (likely 54°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 6 mph10 km/h	55%	0%	0
Sun 7p	Clear	54°12° (likely 51°11° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 5 mph8 km/h	66%	0%	0
Sun 8p	Clear	50°10° (likely 48°9° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	83%	0%	0
Sun 9p	Clear	45°7° (likely 45°7° to 49°9°)	45°7°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sun 10p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	5%	0
Sun 11p	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	39%	0
Mon 12a	Mostly clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	50%	0
Mon 1a	Mostly clear	41°5° (likely 40°4° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	51%	0
Mon 2a	Clear	40°4° (likely 39°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	13%	0
Mon 3a	Clear	39°4° (likely 38°3° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 3 mph6 km/h	100%	12%	0
Mon 4a	Clear	39°4° (likely 38°3° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	15%	0
Mon 5a	Clear	38°3° (likely 37°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	13%	0
Mon 6a	Clear	38°3° (likely 37°3° to 41°5°)	38°3°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	17%	0
Mon 7a	Clear	37°3° (likely 35°2° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	21%	0
Mon 8a	Sunny	37°3° (likely 34°1° to 40°4°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	21%	0
Mon 9a	Sunny	40°4° (likely 37°3° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	16%	1
Mon 10a	Sunny	46°8° (likely 45°7° to 51°11°)	46°8°	0%	0 mph0 km/h, gusts 2 mph3 km/h	93%	12%	2
Mon 11a	Sunny	51°11° (likely 51°11° to 57°14°)	51°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	86%	11%	3
Mon 12p	Sunny	56°13° (likely 56°13° to 61°16°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	74%	8%	4
Mon 1p	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	1 mph2 km/h from W, gusts 8 mph12 km/h	65%	8%	4
Mon 2p	Sunny	65°18° (likely 65°18° to 67°19°)	65°18°	0%	1 mph2 km/h from W, gusts 8 mph12 km/h	58%	8%	4
Mon 3p	Sunny	66°19° (likely 66°19° to 69°21°)	66°19°	0%	1 mph2 km/h from W, gusts 9 mph15 km/h	56%	0%	3
Mon 4p	Sunny	67°19° (likely 67°19° to 70°21°)	67°19°	0%	1 mph2 km/h from W, gusts 10 mph17 km/h	56%	0%	2
Mon 5p	Sunny	68°20° (likely 64°18° to 69°21°)	68°20°	0%	1 mph2 km/h from W, gusts 7 mph11 km/h	55%	0%	1
Mon 6p	Clear	64°18° (likely 58°14° to 64°18°)	64°18°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	63%	0%	0

Days ahead

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

Today, Oct 24. Fog. High 60°16°, low 33°1°. Typical 61°16° / 38°3°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Tonight: Areas of frost after midnight. Clear, with a low around 33. West wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°
Low, likely
31°−1°–36°2°
Typical high / low
61°16° / 38°3°
Wind
5 mph8 km/h, gusts 11 mph18 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 62°17°, low 37°3°. Typical 60°16° / 38°3°. 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, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Official NWS forecast
Day: Areas of frost before 10am. Sunny, with a high near 62. Southwest wind around 1 mph.
Night: Mostly clear, with a low around 37. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–62°17°
Low, likely
33°1°–39°4°
Typical high / low
60°16° / 38°3°
Wind
6 mph9 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 68°20°, low 43°6°. Typical 60°16° / 37°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Official NWS forecast
Day: Patchy frost between 7am and 9am. Mostly sunny, with a high near 68. Northwest wind around 1 mph.
Night: Mostly clear, with a low around 43. Northwest wind around 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
34°1°–43°6°
Typical high / low
60°16° / 37°3°
Wind
8 mph13 km/h, gusts 14 mph22 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 61°16°, low 36°2°. Typical 60°16° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 61.
Night: Patchy frost after 2am. Mostly clear, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–61°16°
Low, likely
36°2°–46°8°
Typical high / low
60°16° / 37°3°
Wind
10 mph15 km/h, gusts 16 mph26 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 61°16°, low 43°6°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy frost before 9am. Mostly sunny, with a high near 61.
Night: Mostly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–61°16°
Low, likely
33°1°–43°6°
Typical high / low
59°15° / 37°3°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
3
Thursday, Oct 29. Mostly sunny. High 67°19°, low 45°7°. Typical 59°15° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
42°6°–47°8°
Typical high / low
59°15° / 36°2°
Wind
9 mph14 km/h, gusts 23 mph36 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 70°21°, low 45°7°. Typical 59°15° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
68°20°–72°22°
Low, likely
41°5°–51°11°
Typical high / low
59°15° / 36°2°
Wind
10 mph16 km/h, gusts 28 mph44 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 68°20°, low 45°7°. Typical 58°14° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 50°10°
  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
58°14°–70°21°
Low, likely
42°6°–48°9°
Typical high / low
58°14° / 36°2°
Wind
7 mph10 km/h, gusts 24 mph39 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 64°18°, low 49°9°. Typical 58°14° / 36°2°. Rain 0.06 in1.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  20% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 60°15°
  40% chance · 0.09 in2.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 59°15°
  40% chance · 0.12 in3 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
58°14°–69°21°
Low, likely
46°8°–55°13°
Typical high / low
58°14° / 36°2°
Wind
9 mph15 km/h, gusts 24 mph39 km/h
UV peak
1
Monday, Nov 2. Showers. High 68°20°, low 57°14°. Typical 57°14° / 35°2°. Rain 0.73 in19 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  40% chance · 0.12 in3.2 mm
2. Afternoon
  noon–6 PM
  Showers, 67°19°
  30% chance · 0.17 in4.3 mm
3. Evening
  6 PM–midnight
  Showers, 62°17°
  30% chance · 0.46 in12 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
63°17°–73°23°
Low, likely
54°12°–64°18°
Typical high / low
57°14° / 35°2°
Wind
12 mph19 km/h, gusts 34 mph54 km/h

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 33°.
Tomorrow
Dry, high 62°, low 37°.
Monday
Dry, high 68°, low 43°, warming up.
Rest of week
Mostly dry, highs 61–70°.

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

Susquehanna River at Sunbury

10 mi

Below flood stage

Level: 7.2 ft
Flow: 8,160 cfs

Forecast peak 7.1 ft Sat 8 PM

Reading from Sat 5:45 PM · NWS gauge page

Penns Creek at Penns Creek

15 mi

Below flood stage

Level: 2.1 ft
Flow: 237 cfs

Forecast peak 2.1 ft Sat 8 PM

Reading from Sat 6 PM · NWS gauge page

West Branch Susquehanna River at Lewisburg

19 mi

Below flood stage

Level: 2.3 ft
Flow: 3,330 cfs

Forecast peak 2.3 ft Sat 8 PM

Reading from Sat 4:45 PM · NWS gauge page

Juniata River at Newport

19 mi

Below flood stage

Level: 3.9 ft
Flow: 1,500 cfs

Forecast peak 4.4 ft Sun 2 PM

Reading from Sat 5:15 PM · NWS gauge page

For your home

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

Heating this week

About 69% less heating than a typical week.

This week 36Typical 117

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
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 24 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 38°F).

Open the windows?

Sun, 3:00 PM–5:00 PM

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

Is this typical?

Selinsgrove Penn Valley Airport · official normals 1991–2020 · records 1947–2026

Oct 24, today vs a typical year

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

Last 7 days vs normal

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

−6°−4°SunOct 18
−1°MonOct 19
—TueOct 20
−1°WedOct 21
−2°−1°ThuOct 22
−1°FriOct 23
—SatOct 24

Port Trevorton 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: 5:36–6:31 PM; Morning 7:11–8:06 AM
Blue hour: 6:31–6:42 PM; Morning 7:00–7:11 AM; first light 7:00 AM

Stars tonight? Fair

Clear 7:15 PM–7:01 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:40 AM · rises 5:11 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Port Trevorton. The highest point on the skyline is about 2,100 ft, 26 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Port Trevorton, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Susquehanna River at Sunbury

Penns Creek at Penns Creek

West Branch Susquehanna River at Lewisburg

Juniata River at Newport

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