Observed 7:53 PM EDT at KUNV

Port Royal, PA weather

Clear and 52°11°.

Forecasts agree

Now 52°11°

Clear

Wind: Calm; Light through 9 AM
Dew point: 34°1°; Dry, static shocks likely
UV tomorrow: 4Moderate; Moderate 11 AM–4 PM · peak 4
Pressure: 30.52 inHg1034 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 33°1° tomorrow at 6 AM
Above 50°10° tomorrow by 11 AM
High 64°18° tomorrow at 5 PM
Below 50°10° tomorrow night after 9 PM

TonightDown to 34°1° by 4 AM · Clear
Tomorrow morningUp to 51°11° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 5 PM · Clear
Tomorrow nightDown to 38°3° by 4 AM · Clear
Monday morningUp to 55°13° by 11 AM · Clear
Monday afternoonUp to 70°21° by 5 PM · Clear
Monday nightDown to 59°15° by 8 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 9p	Clear	41°5° (likely 41°5° to 48°9°)	41°5°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Sat 10p	Clear	40°4° (likely 40°4° to 47°8°)	40°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sat 11p	Clear	38°3° (likely 38°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	0%	0
Sun 12a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	100%	0%	0
Sun 1a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 2a	Clear	36°2° (likely 36°2° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	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%	0%	0
Sun 4a	Clear	34°1° (likely 34°1° to 41°5°)	34°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	100%	0%	0
Sun 5a	Clear	34°1° (likely 34°1° to 40°4°)	34°1°	0%	0 mph0 km/h, gusts 2 mph2 km/h	100%	0%	0
Sun 6a	Clear	33°1° (likely 33°1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 7a	Clear	33°1° (likely 33°1° to 39°4°)	33°1°	0%	0 mph0 km/h, gusts 2 mph2 km/h	96%	0%	0
Sun 8a	Sunny	33°1° (likely 33°1° to 38°3°)	33°1°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	0
Sun 9a	Sunny	36°2° (likely 36°2° to 43°6°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	92%	0%	1
Sun 10a	Sunny	43°6° (likely 43°6° to 49°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	93%	0%	2
Sun 11a	Sunny	51°11° (likely 51°11° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	71%	1%	3
Sun 12p	Sunny	56°13° (likely 56°13° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 7 mph12 km/h	62%	2%	4
Sun 1p	Sunny	59°15° (likely 59°15° to 61°16°)	59°15°	0%	0 mph0 km/h, gusts 8 mph13 km/h	57%	4%	4
Sun 2p	Sunny	62°17° (likely 61°16° to 63°17°)	62°17°	0%	1 mph2 km/h from S, gusts 8 mph13 km/h	52%	12%	4
Sun 3p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 9 mph14 km/h	52%	5%	3
Sun 4p	Sunny	63°17° (likely 62°17° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 9 mph15 km/h	52%	2%	2
Sun 5p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	0 mph0 km/h, gusts 9 mph14 km/h	50%	0%	1
Sun 6p	Clear	61°16° (likely 56°13° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 8 mph13 km/h	56%	0%	0
Sun 7p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 6 mph10 km/h	69%	0%	0
Sun 8p	Clear	50°10° (likely 47°8° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 6 mph10 km/h	86%	1%	0
Sun 9p	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	21%	0
Sun 10p	Clear	44°7° (likely 43°6° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	4%	0
Sun 11p	Clear	43°6° (likely 42°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	38%	0
Mon 12a	Clear	42°6° (likely 42°6° to 46°8°)	42°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	41%	0
Mon 1a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	34%	0
Mon 2a	Clear	40°4° (likely 40°4° to 44°7°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	1%	0
Mon 3a	Clear	39°4° (likely 39°4° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	0%	0
Mon 4a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 3 mph6 km/h	100%	7%	0
Mon 5a	Clear	38°3° (likely 38°3° to 44°7°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Mon 6a	Clear	37°3° (likely 37°3° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	12%	0
Mon 7a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	24%	0
Mon 8a	Partly sunny	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	100%	21%	0
Mon 9a	Sunny	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	20%	1
Mon 10a	Sunny	48°9° (likely 48°9° to 54°12°)	48°9°	0%	0 mph0 km/h, gusts 8 mph13 km/h	89%	9%	2
Mon 11a	Sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 10 mph16 km/h	80%	9%	3
Mon 12p	Sunny	60°16° (likely 60°16° to 63°17°)	60°16°	0%	1 mph2 km/h from W, gusts 11 mph17 km/h	69%	7%	4
Mon 1p	Sunny	64°18° (likely 63°17° to 66°19°)	64°18°	0%	2 mph3 km/h from W, gusts 12 mph19 km/h	60%	1%	4
Mon 2p	Sunny	68°20° (likely 65°18° to 68°20°)	68°20°	0%	3 mph5 km/h from W, gusts 11 mph18 km/h	55%	4%	4
Mon 3p	Sunny	69°21° (likely 65°18° to 69°21°)	69°21°	0%	3 mph5 km/h from W, gusts 13 mph20 km/h	53%	0%	3
Mon 4p	Sunny	69°21° (likely 66°19° to 70°21°)	69°21°	0%	2 mph3 km/h from W, gusts 12 mph19 km/h	55%	2%	2
Mon 5p	Sunny	70°21° (likely 65°18° to 70°21°)	70°21°	0%	1 mph2 km/h from W, gusts 11 mph18 km/h	53%	2%	1
Mon 6p	Clear	66°19° (likely 59°15° to 66°19°)	66°19°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	61%	1%	0
Mon 7p	Clear	62°17° (likely 55°13° to 62°17°)	62°17°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	67%	2%	0
Mon 8p	Clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	1 mph2 km/h from W, gusts 5 mph7 km/h	75%	1%	0

Days ahead

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

Today, Oct 24. Fog. High 61°16°, low 33°1°. Typical 62°17° / 40°4°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 38°3°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Tonight: Areas of frost after 1am. Clear, with a low around 33. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–63°17°
Low, likely
33°1°–34°1°
Typical high / low
62°17° / 40°4°
Wind
5 mph8 km/h, gusts 13 mph21 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 64°18°, low 37°3°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  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 64. North wind around 1 mph.
Night: Mostly clear, with a low around 37. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–64°18°
Low, likely
34°1°–38°3°
Typical high / low
62°17° / 39°4°
Wind
7 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 70°21°, low 43°6°. Typical 61°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°9°
  Dry
Official NWS forecast
Day: Patchy frost before 9am. Sunny, with a high near 70. Northwest wind 0 to 3 mph.
Night: Mostly clear, with a low around 43. Northwest wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
37°3°–43°6°
Typical high / low
61°16° / 39°4°
Wind
8 mph12 km/h, gusts 19 mph31 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 65°18°, low 36°2°. Typical 61°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65.
Night: Patchy frost after 4am. Partly cloudy, with a low around 36.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–65°18°
Low, likely
36°2°–47°8°
Typical high / low
61°16° / 38°3°
Wind
6 mph10 km/h, gusts 15 mph24 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 63°17°, low 41°5°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°11°
  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 before 9am. Mostly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–63°17°
Low, likely
37°3°–43°6°
Typical high / low
60°16° / 38°3°
Wind
7 mph12 km/h, gusts 18 mph28 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 70°21°, low 45°7°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°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: Mostly 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
67°19°–71°22°
Low, likely
42°6°–45°7°
Typical high / low
60°16° / 38°3°
Wind
6 mph10 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 45°7°. Typical 60°16° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Mostly clear, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
42°6°–50°10°
Typical high / low
60°16° / 38°3°
Wind
8 mph14 km/h, gusts 21 mph33 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 71°22°, low 47°8°. Typical 59°15° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–71°22°
Low, likely
41°5°–51°11°
Typical high / low
59°15° / 37°3°
Wind
8 mph14 km/h, gusts 14 mph23 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 65°18°, low 49°9°. Typical 59°15° / 37°3°. Rain 0.09 in2.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°10°
  20% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  30% chance · 0.03 in0.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°16°
  40% chance · 0.14 in3.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  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
59°15°–68°20°
Low, likely
43°6°–53°12°
Typical high / low
59°15° / 37°3°
Wind
6 mph9 km/h, gusts 27 mph43 km/h
UV peak
2
Monday, Nov 2. Drizzle. High 70°21°, low 58°14°. Typical 58°14° / 37°3°. Rain 0.4 in10 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 63°17°
  40% chance · 0.03 in0.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 70°21°
  30% chance · 0.06 in1.6 mm
3. Evening
  6 PM–midnight
  Clear, 61°16°
  30% chance · 0.21 in5.4 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
67°19°–75°24°
Low, likely
54°12°–64°18°
Typical high / low
58°14° / 37°3°
Wind
16 mph25 km/h, gusts 47 mph75 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 33°.
Tomorrow
Dry, high 64°, low 37°, warming up.
Monday
Dry, high 70°, low 43°, warming up.
Rest of week
Mostly dry, highs 63–73°.

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

Juniata River at Lewistown

11 mi

Below flood stage

Level: 4.9 ft
Flow: 2,370 cfs

Forecast peak 4.9 ft Sun 8 AM

Reading from Sat 7:30 PM · NWS gauge page

Juniata River at Newport

14 mi

Below flood stage

Level: 3.9 ft
Flow: 1,500 cfs

Forecast peak 4.4 ft Sun 2 PM

Reading from Sat 7:15 PM · NWS gauge page

Sherman Creek at Shermans Dale

19 mi

Below flood stage

Level: 1.1 ft
Flow: 62 cfs

Forecast peak 1.1 ft Sun 2 AM

Reading from Sat 7:15 PM · NWS gauge page

Tuscarora Creek near Port Royal

2.0 mi

Below flood stage

Level: 3.4 ft
Flow: 65 cfs

Reading from Sat 8 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 34Typical 107

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 26
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 22 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

Sun, 2:00 PM–6:00 PM

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

Is this typical?

Lewistown · official normals 1991–2020 · records 1938–2026

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).

−5°−3°MonOct 19
−3°−2°TueOct 20
+1°WedOct 21
−1°ThuOct 22
−1°FriOct 23
—SatOct 24
—SunOct 25

Port Royal weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 46 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 29 min less
Golden hour: 5:38–6:33 PM; Morning 7:13–8:08 AM
Blue hour: 6:33–6:44 PM; Morning 7:02–7:13 AM; first light 7:02 AM

Stars tonight? Fair

Clear 9:08 PM–7:03 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:42 AM · rises 5:13 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Port Royal. The highest point on the skyline is about 2,200 ft, 9 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Port Royal, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Juniata River at Lewistown

Juniata River at Newport

Sherman Creek at Shermans Dale

Tuscarora Creek near Port Royal

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