Observed 1:35 PM EDT at KCXY

Mechanicsburg, PA weather

Sunny and 61°16°, jacket by 7 PM.

Forecasts agree

Now 61°16°

Sunny

Wind: 6 mph9 km/h; From the north-northeast. Up to 6 mph9 km/h through 2 AM
Dew point: 39°4°; Comfortable
UV index: 3Moderate; Moderate until 3 PM · peak 4
Pressure: 30.36 inHg1028 hPa; Falling slowly · −0.02 inHg−0.8 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 50°10° tonight after 8 PM
Low 34°1° tonight at 5 AM
Above 50°10° tomorrow by 11 AM
Fog Sunday 9–10 AM

This afternoonNear 61°16° · Clear
TonightDown to 34°1° by 5 AM · Partly cloudy
Tomorrow morningUp to 52°11° by 11 AM · Clear
Tomorrow afternoonUp to 61°16° by 4 PM · Clear
Tomorrow nightDown to 35°2° by 5 AM · Clear
Sunday morningUp to 52°11° by 11 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 2p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	5 mph8 km/h from NE, gusts 8 mph12 km/h	39%	13%	3
Fri 3p	Sunny	61°16° (likely 60°16° to 62°17°)	61°16°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	36%	16%	2
Fri 4p	Mostly sunny	61°16° (likely 59°15° to 62°17°)	61°16°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	36%	17%	1
Fri 5p	Mostly sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	37%	30%	1
Fri 6p	Mostly clear	56°13° (likely 55°13° to 58°14°)	56°13°	0%	3 mph5 km/h from E, gusts 9 mph15 km/h	45%	21%	0
Fri 7p	Clear	52°11° (likely 51°11° to 54°12°)	52°11°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	54%	20%	0
Fri 8p	Mostly clear	49°9° (likely 49°9° to 52°11°)	49°9°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	63%	59%	0
Fri 9p	Mostly clear	47°8° (likely 47°8° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	76%	64%	0
Fri 10p	Partly cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	82%	49%	0
Fri 11p	Clear	43°6° (likely 43°6° to 47°8°)	43°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	40%	0
Sat 12a	Clear	41°5° (likely 41°5° to 45°7°)	41°5°	0%	0 mph0 km/h, gusts 4 mph7 km/h	93%	36%	0
Sat 1a	Partly cloudy	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 5 mph7 km/h	100%	32%	0
Sat 2a	Clear	37°3° (likely 37°3° to 42°6°)	37°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	36%	0
Sat 3a	Clear	36°2° (likely 36°2° to 41°5°)	36°2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	14%	0
Sat 4a	Clear	35°2° (likely 35°2° to 40°4°)	35°2°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	4%	0
Sat 5a	Clear	34°1° (likely 34°1° to 39°4°)	34°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	3%	0
Sat 6a	Clear	34°1° (likely 34°1° to 38°3°)	34°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	19%	0
Sat 7a	Sunny	34°1° (likely 34°1° to 38°3°)	34°1°	0%	0 mph0 km/h, gusts 4 mph7 km/h	100%	18%	0
Sat 8a	Sunny	34°1° (likely 34°1° to 38°3°)	34°1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	19%	0
Sat 9a	Sunny	40°4° (likely 38°3° to 41°5°)	40°4°	0%	0 mph0 km/h, gusts 3 mph5 km/h	82%	15%	1
Sat 10a	Sunny	46°8° (likely 46°8° to 48°9°)	46°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	68%	6%	2
Sat 11a	Sunny	52°11° (likely 51°11° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	56%	0%	3
Sat 12p	Sunny	55°13° (likely 55°13° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 6 mph10 km/h	49%	1%	4
Sat 1p	Sunny	59°15° (likely 57°14° to 59°15°)	59°15°	0%	1 mph2 km/h from SE, gusts 7 mph12 km/h	42%	1%	4
Sat 2p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	39%	1%	4
Sat 3p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	37%	2%	3
Sat 4p	Sunny	61°16° (likely 59°15° to 61°16°)	61°16°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	38%	3%	2
Sat 5p	Sunny	60°16° (likely 57°14° to 60°16°)	60°16°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	39%	4%	1
Sat 6p	Clear	57°14° (likely 53°12° to 57°14°)	57°14°	0%	1 mph2 km/h from SE, gusts 7 mph12 km/h	45%	3%	0
Sat 7p	Clear	52°11° (likely 50°10° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 6 mph9 km/h	56%	0%	0
Sat 8p	Clear	47°8° (likely 47°8° to 50°10°)	47°8°	0%	0 mph0 km/h, gusts 6 mph10 km/h	68%	0%	0
Sat 9p	Clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	0 mph0 km/h, gusts 8 mph13 km/h	76%	0%	0
Sat 10p	Clear	42°6° (likely 42°6° to 47°8°)	42°6°	0%	0 mph0 km/h, gusts 8 mph12 km/h	79%	0%	0
Sat 11p	Clear	40°4° (likely 40°4° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 6 mph10 km/h	89%	0%	0
Sun 12a	Clear	39°4° (likely 39°4° to 43°6°)	39°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	92%	0%	0
Sun 1a	Clear	38°3° (likely 38°3° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 2 mph4 km/h	96%	0%	0
Sun 2a	Clear	37°3° (likely 37°3° to 41°5°)	37°3°	0%	0 mph0 km/h, gusts 1 mph2 km/h	96%	0%	0
Sun 3a	Clear	36°2° (likely 36°2° to 40°4°)	36°2°	0%	0 mph0 km/h, gusts 2 mph4 km/h	96%	0%	0
Sun 4a	Clear	36°2° (likely 36°2° to 39°4°)	36°2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	92%	0%	0
Sun 5a	Clear	35°2° (likely 35°2° to 38°3°)	35°2°	0%	0 mph0 km/h, gusts 3 mph5 km/h	92%	11%	0
Sun 6a	Clear	35°2° (likely 33°1° to 37°3°)	35°2°	0%	0 mph0 km/h, gusts 4 mph6 km/h	92%	14%	0
Sun 7a	Sunny	34°1° (likely 32°0° to 37°3°)	34°1°	0%	0 mph0 km/h, gusts 3 mph4 km/h	92%	15%	0
Sun 8a	Sunny	35°2° (likely 31°−1° to 38°3°)	35°2°	0%	0 mph0 km/h, gusts 3 mph4 km/h	96%	16%	0
Sun 9a	Fog	40°4° (likely 32°0° to 46°8°)	40°4°	0%	0 mph0 km/h, gusts 3 mph4 km/h	100%	21%	1
Sun 10a	Sunny	46°8° (likely 40°4° to 50°10°)	46°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	79%	1%	2
Sun 11a	Sunny	52°11° (likely 48°9° to 54°12°)	52°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	69%	0%	3
Sun 12p	Sunny	56°13° (likely 54°12° to 57°14°)	56°13°	0%	0 mph0 km/h, gusts 4 mph7 km/h	57%	0%	4
Sun 1p	Sunny	60°16° (likely 58°14° to 60°16°)	60°16°	0%	1 mph2 km/h from S, gusts 6 mph9 km/h	49%	0%	4

Days ahead

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

Today, Oct 23. Mostly sunny. High 62°17°, low 34°1°. Typical 63°17° / 43°6°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Mostly sunny, 61°16°
  Dry
2. Evening
  6 PM–midnight
  Mostly clear, 49°9°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 62. Northeast wind around 5 mph.
Tonight: Patchy fog after 3am. Partly cloudy, with a low around 34. East wind 0 to 3 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
60°16°–62°17°
Low, likely
34°1°–45°7°
Typical high / low
63°17° / 43°6°
Wind
7 mph10 km/h, gusts 14 mph22 km/h
UV peak
4
Tomorrow, Oct 24. Fog. High 62°17°, low 34°1°. Typical 63°17° / 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Day: Patchy fog before 8am. Sunny, with a high near 62. East wind around 2 mph.
Night: Patchy fog after 1am. Clear, with a low around 34. East wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–62°17°
Low, likely
34°1°–37°3°
Typical high / low
63°17° / 43°6°
Wind
6 mph9 km/h, gusts 13 mph21 km/h
UV peak
4
Sunday, Oct 25. Fog. High 64°18°, low 36°2°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Fog, 35°2°
  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, 37°3°
  Dry
Official NWS forecast
Day: Areas of fog before 10am. Sunny, with a high near 64. South wind around 1 mph.
Night: Areas of fog after 10pm. Mostly clear, with a low around 36.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
61°16°–64°18°
Low, likely
31°−1°–37°3°
Typical high / low
62°17° / 42°6°
Wind
6 mph10 km/h
UV peak
4
Monday, Oct 26. Fog. High 69°21°, low 45°7°. Typical 62°17° / 42°6°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  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: Patchy fog before 10am. Sunny, with a high near 69.
Night: Mostly clear, with a low around 45.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–69°21°
Low, likely
32°0°–45°7°
Typical high / low
62°17° / 42°6°
Wind
7 mph12 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 64°18°, low 42°6°. Typical 62°17° / 42°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 64.
Night: Partly cloudy, with a low around 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–66°19°
Low, likely
42°6°–48°9°
Typical high / low
62°17° / 42°6°
Wind
9 mph15 km/h, gusts 16 mph25 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 63°17°, low 46°8°. Typical 61°16° / 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 60°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 46.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–64°18°
Low, likely
41°5°–46°8°
Typical high / low
61°16° / 42°6°
Wind
7 mph11 km/h, gusts 16 mph26 km/h
UV peak
3
Thursday, Oct 29. Cloudy. High 69°21°, low 48°9°. Typical 61°16° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  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: Mostly sunny, with a high near 69.
Night: Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–70°21°
Low, likely
44°7°–50°10°
Typical high / low
61°16° / 41°5°
Wind
9 mph14 km/h, gusts 20 mph31 km/h
UV peak
4
Friday, Oct 30. Partly sunny. High 68°20°, low 47°8°. Typical 60°16° / 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 46°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
43°6°–49°9°
Typical high / low
60°16° / 41°5°
Wind
6 mph10 km/h, gusts 18 mph29 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 64°18°, low 45°7°. Typical 60°16° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 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
54°12°–68°20°
Low, likely
41°5°–50°10°
Typical high / low
60°16° / 40°4°
Wind
8 mph14 km/h, gusts 21 mph34 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 63°17°, low 45°7°. Typical 60°16° / 40°4°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 44°7°
  20% chance
2. Afternoon
  noon–6 PM
  Fog, 62°16°
  30% chance
3. Evening
  6 PM–midnight
  Fog, 57°14°
  30% chance
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°–66°19°
Low, likely
33°1°–52°11°
Typical high / low
60°16° / 40°4°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
1

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 34°.
Tomorrow
Dry, high 62°, low 34°.
Sunday
Dry, high 64°, low 36°.
Rest of week
Mostly dry, highs 63–69°.

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

2.9 mi

Below flood stage

Level: 1.6 ft
Flow: 262 cfs

Forecast peak 1.6 ft Fri 8 PM

Reading from Fri 12:45 PM · NWS gauge page

Yellow Breeches Creek near Camp Hill

5.8 mi

Below flood stage

Level: 1.2 ft
Flow: 138 cfs

Forecast peak 1.2 ft Fri 8 PM

Reading from Fri 1:45 PM · NWS gauge page

Susquehanna River at Harrisburg

7.0 mi

Below flood stage

Level: 3.8 ft
Flow: 12,600 cfs

Forecast peak 3.8 ft Fri 8 PM

Reading from Fri 1 PM · NWS gauge page

Sherman Creek at Shermans Dale

12 mi

Below flood stage

Level: 1.1 ft
Flow: 64 cfs

Forecast peak 1.1 ft Fri 8 PM

Reading from Fri 1:15 PM · NWS gauge page

For your home

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

Heating this week

About 58% less heating than a typical week.

This week 38Typical 91

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

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 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?

Middletown Harrisburg Int'l Airport · official normals 1991–2020 · records 1888–2026

Oct 23, today vs a typical year

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

Last 7 days vs normal

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

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

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

Sun & moon

Sun

Daylight: 10 h 49 min; Losing 2 min 25 s a day; shortest Dec 21, 1 h 31 min less
Golden hour: 5:39–6:33 PM; Morning 7:10–8:05 AM
Blue hour: 6:33–6:44 PM; Morning 6:59–7:10 AM; first light 6:59 AM

Stars tonight? Good

Mostly clear 3–7 AM; moon 95% lit, sets 5:40 AM.

Moon

Waxing gibbous

93% lit · growing

Today: sets 4:31 AM · rises 4:47 PM
Full moon: Oct 26
New moon: Nov 9

Looking west from Mechanicsburg. The highest point on the skyline is about 2,300 ft, 41 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Mechanicsburg, 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

Yellow Breeches Creek near Camp Hill

Susquehanna River at Harrisburg

Sherman Creek at Shermans Dale

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