Observed 11:25 PM EDT at KTHV

McKnightstown, PA weather

Clear and 36°2°.

Forecasts agree

Now 36°2°

Clear

Wind: Calm; Light through 11 AM
Dew point: 34°1°; Dry · up to 43°6° by 10 AM (comfortable)
Humidity: 93%; Air 36°2°, dew point 34°1° · frost likely
UV tomorrow: 4Moderate; Moderate 11 AM–5 PM · peak 4
Pressure: 30.55 inHg1035 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (37°3° then, 35°2° now)

Good hours for

Low 37°3° tonight at 3 AM
Above 50°10° tomorrow by 10 AM
High 64°18° tomorrow at 3 PM
Below 50°10° tomorrow night after 8 PM

TonightNear 40°4° · Clear
Tomorrow morningUp to 56°13° by 11 AM · Clear
Tomorrow afternoonUp to 64°18° by 3 PM · Clear
Tomorrow nightDown to 41°5° by 3 AM · Clear
Monday morningUp to 60°16° by 11 AM · Clear
Monday afternoonUp to 69°21° by 3 PM · Clear
Monday nightDown to 54°12° by 10 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 11p	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 3 mph6 km/h	92%	0%	0
Sun 12a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	0%	0
Sun 1a	Clear	39°4° (likely 39°4° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	92%	2%	0
Sun 2a	Clear	38°3° (likely 38°3° to 43°6°)	38°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	0%	0
Sun 3a	Clear	37°3° (likely 37°3° to 43°6°)	37°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	96%	0%	0
Sun 4a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	92%	0%	0
Sun 5a	Clear	39°4° (likely 38°3° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 1 mph1 km/h	89%	0%	0
Sun 6a	Clear	38°3° (likely 37°3° to 41°5°)	38°3°	0%	0 mph0 km/h, gusts 2 mph3 km/h	92%	0%	0
Sun 7a	Clear	38°3° (likely 37°3° to 41°5°)	38°3°	0%	0 mph0 km/h, gusts 1 mph2 km/h	92%	1%	0
Sun 8a	Sunny	38°3° (likely 37°3° to 41°5°)	38°3°	0%	0 mph0 km/h, gusts 1 mph2 km/h	100%	0%	0
Sun 9a	Sunny	46°8° (likely 41°5° to 46°8°)	46°8°	0%	0 mph0 km/h, gusts 1 mph2 km/h	83%	0%	1
Sun 10a	Sunny	52°11° (likely 48°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	71%	2%	2
Sun 11a	Sunny	56°13° (likely 53°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	62%	6%	3
Sun 12p	Mostly sunny	59°15° (likely 57°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 9 mph15 km/h	57%	18%	4
Sun 1p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	2 mph3 km/h from S, gusts 8 mph14 km/h	50%	14%	4
Sun 2p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from S, gusts 8 mph14 km/h	46%	13%	4
Sun 3p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	46%	11%	4
Sun 4p	Sunny	64°18° (likely 61°16° to 64°18°)	64°18°	0%	2 mph3 km/h from S, gusts 9 mph14 km/h	48%	10%	3
Sun 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	2 mph3 km/h from S, gusts 8 mph13 km/h	48%	3%	1
Sun 6p	Clear	60°16° (likely 55°13° to 60°16°)	60°16°	0%	1 mph2 km/h from S, gusts 8 mph13 km/h	55%	1%	0
Sun 7p	Clear	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	66%	0%	0
Sun 8p	Clear	49°9° (likely 48°9° to 50°10°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	0%	0
Sun 9p	Clear	46°8° (likely 46°8° to 49°9°)	46°8°	0%	0 mph0 km/h, gusts 4 mph6 km/h	93%	0%	0
Sun 10p	Clear	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 5 mph9 km/h	96%	0%	0
Sun 11p	Clear	44°7° (likely 44°7° to 48°9°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	0%	0
Mon 12a	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	0%	0
Mon 1a	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	96%	1%	0
Mon 2a	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 3 mph5 km/h	100%	6%	0
Mon 3a	Clear	41°5° (likely 41°5° to 46°8°)	41°5°	0%	0 mph0 km/h, gusts 3 mph6 km/h	100%	3%	0
Mon 4a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	1%	0
Mon 5a	Clear	41°5° (likely 40°4° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Mon 6a	Clear	41°5° (likely 38°3° to 44°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	11%	0
Mon 7a	Clear	41°5° (likely 38°3° to 43°6°)	41°5°	0%	0 mph0 km/h, gusts 6 mph9 km/h	100%	17%	0
Mon 8a	Sunny	40°4° (likely 38°3° to 43°6°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	23%	0
Mon 9a	Mostly sunny	46°8° (likely 43°6° to 49°9°)	46°8°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	100%	17%	1
Mon 10a	Sunny	53°12° (likely 49°9° to 57°14°)	53°12°	0%	2 mph3 km/h from W, gusts 8 mph13 km/h	80%	0%	2
Mon 11a	Sunny	60°16° (likely 56°13° to 62°17°)	60°16°	0%	2 mph3 km/h from W, gusts 9 mph14 km/h	64%	1%	3
Mon 12p	Sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	2 mph3 km/h from W, gusts 10 mph16 km/h	58%	6%	4
Mon 1p	Sunny	66°19° (likely 66°19° to 67°19°)	66°19°	0%	3 mph5 km/h from NW, gusts 10 mph16 km/h	52%	5%	4
Mon 2p	Sunny	68°20° (likely 67°19° to 69°21°)	68°20°	0%	3 mph5 km/h from NW, gusts 11 mph17 km/h	49%	3%	4
Mon 3p	Sunny	69°21° (likely 68°20° to 69°21°)	69°21°	0%	3 mph5 km/h from NW, gusts 10 mph17 km/h	47%	3%	4
Mon 4p	Sunny	69°21° (likely 68°20° to 69°21°)	69°21°	0%	3 mph5 km/h from NW, gusts 11 mph18 km/h	49%	1%	3
Mon 5p	Sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	3 mph5 km/h from NW, gusts 9 mph14 km/h	49%	0%	1
Mon 6p	Clear	65°18° (likely 62°17° to 65°18°)	65°18°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	56%	0%	0
Mon 7p	Clear	62°17° (likely 55°13° to 62°17°)	62°17°	0%	2 mph3 km/h from NW, gusts 6 mph10 km/h	60%	31%	0
Mon 8p	Clear	58°14° (likely 51°11° to 58°14°)	58°14°	0%	1 mph2 km/h from NW, gusts 7 mph11 km/h	69%	19%	0
Mon 9p	Clear	56°13° (likely 50°10° to 56°13°)	56°13°	0%	1 mph2 km/h from NW, gusts 7 mph12 km/h	74%	1%	0
Mon 10p	Clear	54°12° (likely 50°10° to 54°12°)	54°12°	0%	2 mph3 km/h from NW, gusts 7 mph12 km/h	80%	4%	0

Days ahead

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

Today, Oct 24. Sunny. High 60°16°, low 37°3°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
1. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Tonight: Patchy frost between 3am and 4am. Clear, with a low around 37. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–61°16°
Low, likely
33°1°–37°3°
Typical high / low
63°17° / 40°4°
Wind
6 mph10 km/h, gusts 15 mph24 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 64°18°, low 40°4°. Typical 63°17° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  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, 41°5°
  Dry
Official NWS forecast
Day: Sunny, with a high near 64. South wind around 2 mph.
Night: Mostly clear, with a low around 40. West wind around 1 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
37°3°–41°5°
Typical high / low
63°17° / 40°4°
Wind
7 mph12 km/h, gusts 13 mph22 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 70°21°, low 47°8°. Typical 62°17° / 40°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Mostly sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Official NWS forecast
Day: Sunny, with a high near 70. West wind 0 to 3 mph.
Night: Mostly clear, with a low around 47. Northwest wind around 2 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–70°21°
Low, likely
38°3°–47°8°
Typical high / low
62°17° / 40°4°
Wind
7 mph11 km/h, gusts 16 mph26 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 66°19°, low 41°5°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 66.
Night: Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
41°5°–49°9°
Typical high / low
62°17° / 39°4°
Wind
7 mph12 km/h, gusts 17 mph27 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 64°18°, low 45°7°. Typical 62°17° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  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: Partly sunny, with a high near 64.
Night: Mostly cloudy, with a low around 45.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–64°18°
Low, likely
41°5°–45°7°
Typical high / low
62°17° / 39°4°
Wind
7 mph12 km/h, gusts 18 mph28 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 70°21°, low 49°9°. Typical 61°16° / 39°4°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°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 49.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
43°6°–49°9°
Typical high / low
61°16° / 39°4°
Wind
8 mph13 km/h, gusts 21 mph34 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 74°23°, low 50°10°. Typical 61°16° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 50.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
73°23°–74°23°
Low, likely
44°7°–51°11°
Typical high / low
61°16° / 38°3°
Wind
7 mph12 km/h, gusts 15 mph24 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 71°22°, low 49°9°. Typical 60°16° / 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 49°10°
  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, 52°11°
  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°–72°22°
Low, likely
43°6°–52°11°
Typical high / low
60°16° / 38°3°
Wind
9 mph15 km/h, gusts 17 mph28 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 67°19°, low 51°11°. Typical 60°16° / 38°3°. Rain 0.07 in1.8 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Cloudy, 53°12°
  20% chance
2. Afternoon
  noon–6 PM
  Drizzle, 67°20°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  30% chance · 0.08 in1.9 mm
4. Overnight
  midnight–6 AM
  Drizzle, 60°16°
  30% chance · 0.1 in2.4 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 agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–68°20°
Low, likely
47°8°–55°13°
Typical high / low
60°16° / 38°3°
Wind
12 mph20 km/h, gusts 31 mph50 km/h
UV peak
3
Monday, Nov 2. Drizzle. High 70°21°, low 58°14°. Typical 60°16° / 37°3°. Rain 0.64 in16 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  30% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 71°22°
  30% chance · 0.1 in2.5 mm
3. Evening
  6 PM–midnight
  Clear, 61°16°
  30% chance · 0.5 in13 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
67°19°–73°23°
Low, likely
54°12°–64°18°
Typical high / low
60°16° / 37°3°
Wind
17 mph27 km/h, gusts 36 mph58 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 60°, low 37°.
Tomorrow
Dry, high 64°, low 40°, warming up.
Monday
Dry, high 70°, low 47°, warming up.
Rest of week
Mostly dry, highs 64–74°.

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

Mountain Creek near Pine Grove Furnace

11 mi

Level: 4.0 ft
Flow: 2 cfs

Reading from Sat 10:45 PM · NWS gauge page

Bermudian Creek near Heidlersburg

12 mi

Level: 1.8 ft
Flow: 4 cfs

Reading from Sat 10:30 PM · NWS gauge page

Monocacy River at Bridgeport

14 mi

Below flood stage

Level: 2.4 ft
Flow: 18 cfs

Reading from Sat 10:30 PM · NWS gauge page

Antietam Creek near Waynesboro

18 mi

Below flood stage

Level: 2.2 ft
Flow: 30 cfs

Reading from Sat 9:45 PM · NWS gauge page

For your home

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

Heating this week

About 72% less heating than a typical week.

This week 28Typical 101

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 23
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 16 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

Sun, 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?

Emmitsburg 2 SE · official normals 1991–2020 · records 1956–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 5°3° colder than normal (daily mean temperature).

−7°−4°MonOct 19
±0°TueOct 20
−5°−3°WedOct 21
−4°−2°ThuOct 22
−8°−4°FriOct 23
—SatOct 24
—SunOct 25

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

Sun & moon

Sun

Daylight: 10 h 48 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 27 min less
Golden hour: 5:39–6:34 PM; Morning 7:12–8:06 AM
Blue hour: 6:34–6:44 PM; Morning 7:01–7:12 AM; first light 7:01 AM

Stars tonight? Fair

Clear 11:41 PM–7:02 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 5:41 AM · rises 5:13 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from McKnightstown. The highest point on the skyline is about 2,000 ft, 4 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.