Observed 9:45 AM EDT at KCXY

Mount Holly Springs, PA weather

Sunny and 54°12°.

Forecasts agree

Now 54°12°

Sunny

Wind: 7 mph11 km/h; From the northeast. Up to 7 mph11 km/h through 10 PM
Dew point: 39°4°; Comfortable
UV index: 1Low; Moderate 12–3 PM · peak 4
Pressure: 30.37 inHg1028 hPa; Rising · +0.05 inHg+1.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 60°16° today at 2 PM
Below 50°10° tonight after 8 PM
Low 35°2° tomorrow at 8 AM
Above 50°10° tomorrow by 11 AM
Drops 12°7° tomorrow night 6–9 PM (56°13° → 44°7°)

This morningUp to 53°12° by 11 AM · Clear
This afternoonUp to 60°16° by 2 PM · Clear
TonightDown to 37°3° by 5 AM · Partly cloudy
Tomorrow morningUp to 50°10° by 11 AM · Clear
Tomorrow afternoonUp to 59°15° by 3 PM · Clear
Tomorrow nightDown to 35°2° by 5 AM · Clear
Sunday morningUp to 38°3° by 9 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
Fri 10a	Sunny	49°9° (likely 49°9° to 53°12°)	47°8°	0%	6 mph10 km/h from NE, gusts 11 mph17 km/h	68%	9%	1
Fri 11a	Sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	6 mph10 km/h from NE, gusts 12 mph19 km/h	58%	12%	2
Fri 12p	Sunny	55°13° (likely 55°13° to 58°14°)	55°13°	0%	6 mph10 km/h from NE, gusts 10 mph16 km/h	52%	18%	3
Fri 1p	Sunny	57°14° (likely 57°14° to 59°15°)	57°14°	0%	6 mph10 km/h from NE, gusts 9 mph14 km/h	46%	19%	4
Fri 2p	Sunny	60°16° (likely 59°15° to 60°16°)	60°16°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	41%	14%	3
Fri 3p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	37%	13%	2
Fri 4p	Sunny	59°15° (likely 59°15° to 60°16°)	59°15°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	37%	11%	1
Fri 5p	Sunny	58°14° (likely 58°14° to 59°15°)	58°14°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	40%	7%	1
Fri 6p	Clear	54°12° (likely 54°12° to 56°13°)	54°12°	0%	3 mph5 km/h from E, gusts 7 mph12 km/h	46%	2%	0
Fri 7p	Clear	50°10° (likely 50°10° to 53°12°)	50°10°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	56%	38%	0
Fri 8p	Cloudy	47°8° (likely 47°8° to 51°11°)	47°8°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	65%	60%	0
Fri 9p	Cloudy	45°7° (likely 45°7° to 50°10°)	45°7°	0%	1 mph2 km/h from E, gusts 7 mph11 km/h	73%	63%	0
Fri 10p	Mostly clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	1 mph2 km/h from E, gusts 6 mph10 km/h	76%	48%	0
Fri 11p	Mostly clear	42°6° (likely 42°6° to 48°9°)	42°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	79%	48%	0
Sat 12a	Clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 7 mph11 km/h	79%	42%	0
Sat 1a	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 7 mph11 km/h	79%	42%	0
Sat 2a	Mostly clear	39°4° (likely 38°3° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 7 mph11 km/h	79%	20%	0
Sat 3a	Clear	39°4° (likely 38°3° to 44°7°)	39°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	79%	5%	0
Sat 4a	Clear	38°3° (likely 37°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	2%	0
Sat 5a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 3 mph5 km/h	85%	0%	0
Sat 6a	Clear	36°2° (likely 36°2° to 41°5°)	36°2°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	1%	0
Sat 7a	Sunny	36°2° (likely 36°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 1 mph1 km/h	89%	18%	0
Sat 8a	Sunny	35°2° (likely 35°2° to 41°5°)	35°2°	0%	0 mph0 km/h, gusts 1 mph2 km/h	96%	9%	0
Sat 9a	Sunny	40°4° (likely 37°3° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 2 mph3 km/h	89%	2%	1
Sat 10a	Sunny	47°8° (likely 46°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	74%	0%	2
Sat 11a	Sunny	50°10° (likely 50°10° to 54°12°)	50°10°	0%	0 mph0 km/h, gusts 7 mph11 km/h	66%	0%	3
Sat 12p	Sunny	54°12° (likely 54°12° to 56°13°)	54°12°	0%	1 mph2 km/h from SE, gusts 9 mph14 km/h	54%	0%	4
Sat 1p	Sunny	56°13° (likely 56°13° to 58°14°)	56°13°	0%	1 mph2 km/h from SE, gusts 8 mph12 km/h	51%	0%	4
Sat 2p	Sunny	58°14° (likely 58°14° to 59°15°)	58°14°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	45%	2%	4
Sat 3p	Sunny	59°15° (likely 59°15° to 60°16°)	59°15°	0%	1 mph2 km/h from SE, gusts 6 mph10 km/h	40%	2%	3
Sat 4p	Sunny	59°15° (likely 59°15° to 59°15°)	59°15°	0%	1 mph2 km/h from SE, gusts 7 mph12 km/h	40%	2%	2
Sat 5p	Sunny	58°14° (likely 57°14° to 58°14°)	58°14°	0%	1 mph2 km/h from SE, gusts 7 mph11 km/h	42%	2%	1
Sat 6p	Clear	56°13° (likely 53°12° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 6 mph10 km/h	47%	1%	0
Sat 7p	Clear	52°11° (likely 50°10° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 5 mph9 km/h	56%	1%	0
Sat 8p	Clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	0 mph0 km/h, gusts 6 mph9 km/h	73%	0%	0
Sat 9p	Clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	0 mph0 km/h, gusts 6 mph10 km/h	76%	0%	0
Sat 10p	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 7 mph11 km/h	79%	0%	0
Sat 11p	Clear	40°4° (likely 40°4° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	82%	0%	0
Sun 12a	Clear	39°4° (likely 39°4° to 45°7°)	39°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	82%	0%	0
Sun 1a	Clear	38°3° (likely 37°3° to 45°7°)	38°3°	0%	0 mph0 km/h, gusts 6 mph9 km/h	82%	0%	0
Sun 2a	Clear	37°3° (likely 36°2° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	0%	0
Sun 3a	Clear	36°2° (likely 34°1° to 43°6°)	36°2°	0%	0 mph0 km/h, gusts 5 mph7 km/h	85%	0%	0
Sun 4a	Clear	36°2° (likely 32°0° to 42°6°)	36°2°	0%	0 mph0 km/h, gusts 5 mph7 km/h	85%	0%	0
Sun 5a	Clear	35°2° (likely 31°−1° to 42°6°)	35°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	0%	0
Sun 6a	Clear	34°1° (likely 30°−1° to 42°6°)	34°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	92%	0%	0
Sun 7a	Sunny	33°1° (likely 30°−1° to 41°5°)	33°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	0%	0
Sun 8a	Sunny	34°1° (likely 31°−1° to 42°6°)	34°1°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	0%	0
Sun 9a	Sunny	38°3° (likely 35°2° to 47°8°)	38°3°	0%	0 mph0 km/h, gusts 3 mph4 km/h	89%	0%	1

Days ahead

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

Today, Oct 23. Mostly sunny. High 61°16°, low 34°1°. Typical 63°17° / 39°4°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. Northeast wind around 6 mph.
Tonight: Areas of frost after 1am. Mostly clear, with a low around 34. East wind 0 to 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–61°16°
Low, likely
34°1°–45°7°
Typical high / low
63°17° / 39°4°
Wind
8 mph13 km/h, gusts 18 mph29 km/h
UV peak
4
Tomorrow, Oct 24. Sunny. High 59°15°, low 33°1°. Typical 63°17° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Day: Areas of frost before 9am. Sunny, with a high near 59. Northeast wind around 2 mph.
Night: Areas of frost after 2am. Clear, with a low around 33. Wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–60°16°
Low, likely
33°1°–40°4°
Typical high / low
63°17° / 38°3°
Wind
7 mph12 km/h, gusts 13 mph22 km/h
UV peak
4
Sunday, Oct 25. Sunny. High 63°17°, low 35°2°. Typical 62°17° / 38°3°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Areas of frost before 9am. Sunny, with a high near 63. West wind around 1 mph.
Night: Mostly clear, with a low around 35.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
62°17°–63°17°
Low, likely
30°−1°–41°5°
Typical high / low
62°17° / 38°3°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
4
Monday, Oct 26. Sunny. High 67°19°, low 45°7°. Typical 62°17° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: 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
67°19°–70°21°
Low, likely
32°0°–45°7°
Typical high / low
62°17° / 38°3°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 62°17°, low 40°4°. Typical 62°17° / 38°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°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: Sunny, with a high near 62.
Night: Partly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–66°19°
Low, likely
40°4°–48°9°
Typical high / low
62°17° / 38°3°
Wind
8 mph12 km/h, gusts 15 mph23 km/h
UV peak
4
Wednesday, Oct 28. Mostly cloudy. High 60°16°, low 42°6°. Typical 61°16° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 48°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 60.
Night: Mostly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
38°3°–47°8°
Typical high / low
61°16° / 37°3°
Wind
9 mph14 km/h, gusts 18 mph29 km/h
UV peak
1
Thursday, Oct 29. Partly sunny. High 64°18°, low 44°7°. Typical 61°16° / 37°3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Mostly 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 64.
Night: Partly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–70°21°
Low, likely
43°6°–50°10°
Typical high / low
61°16° / 37°3°
Wind
10 mph15 km/h, gusts 22 mph36 km/h
UV peak
3
Friday, Oct 30. Cloudy. High 68°20°, low 49°9°. Typical 60°16° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°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.
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
62°17°–71°22°
Low, likely
48°9°–50°10°
Typical high / low
60°16° / 37°3°
Wind
9 mph14 km/h, gusts 22 mph36 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 59°15°, low 45°7°. Typical 60°16° / 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 42°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°–66°19°
Low, likely
39°4°–52°11°
Typical high / low
60°16° / 36°2°
Wind
10 mph16 km/h, gusts 24 mph38 km/h
UV peak
2
Sunday, Nov 1. Showers. High 61°16°, low 48°9°. Typical 60°16° / 36°2°. Rain 0.45 in11 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 41°5°
  20% chance · 0.11 in2.7 mm
2. Afternoon
  noon–6 PM
  Rain, 57°14°
  20% chance · 0.16 in4 mm
3. Evening
  6 PM–midnight
  Rain, 51°10°
  30% chance · 0.14 in3.7 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
59°15°–65°18°
Low, likely
38°3°–54°12°
Typical high / low
60°16° / 36°2°
Wind
8 mph13 km/h, gusts 22 mph35 km/h

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 34°.
Tomorrow
Dry, high 59°, low 33°.
Sunday
Dry, high 63°, low 35°, warming up.
Rest of week
Mostly dry, highs 59–68°.

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

Conodoguinet Creek near Hogestown

13 mi

Below flood stage

Level: 1.7 ft
Flow: 265 cfs

Forecast peak 1.7 ft Fri 2 PM

Reading from Fri 8:30 AM · NWS gauge page

Sherman Creek at Shermans Dale

15 mi

Below flood stage

Level: 1.1 ft
Flow: 66 cfs

Forecast peak 1.1 ft Fri 2 PM

Reading from Fri 8:15 AM · NWS gauge page

Yellow Breeches Creek near Camp Hill

17 mi

Below flood stage

Level: 1.2 ft
Flow: 138 cfs

Forecast peak 1.2 ft Fri 2 PM

Reading from Fri 7:45 AM · NWS gauge page

Susquehanna River at Harrisburg

19 mi

Below flood stage

Level: 3.8 ft
Flow: 12,900 cfs

Forecast peak 3.8 ft Fri 2 PM

Reading from Fri 8 AM · NWS gauge page

For your home

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

Heating this week

About 64% less heating than a typical week.

This week 38Typical 106

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 29
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 17 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 2:00 PM–3:00 PM

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

Is this typical?

Carlisle Water Plant · official normals 1991–2020 · records 1873–2026

Oct 23, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

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

+9°+5°SatOct 17
−9°−5°SunOct 18
−7°−4°MonOct 19
−3°−2°TueOct 20
+2°+1°WedOct 21
—ThuOct 22
—FriOct 23

Mount Holly Springs weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:40–6:34 PM; Morning 7:10–8:05 AM
Blue hour: 6:34–6:45 PM; Morning 7:00–7:10 AM; first light 7:00 AM

Stars tonight? Good

Mostly clear 2–7:01 AM; moon 95% lit, sets 5:40 AM.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:32 AM · rises 4:48 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Mount Holly Springs. The highest point on the skyline is about 2,300 ft, 23 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Mount Holly Springs, PA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Sunday

Rest of week

What changed since yesterday

Radar

Rivers

Conodoguinet Creek near Hogestown

Sherman Creek at Shermans Dale

Yellow Breeches Creek near Camp Hill

Susquehanna River at Harrisburg

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 23, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Good

Moon