Carlisle weather in October

In October, Carlisle sees average daytime highs of 64°F and overnight lows near 46°F, with 3.4 in of precipitation across 8.3 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 69°F in the first days to 58°F by the end. The sky is clear or mostly clear about 36% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Carlisle's 1st-clearest and 7th-windiest month. For the whole year in context, see Carlisle's year-round climate.

Daytime high
64°
6th warmest
Overnight low
46°
7th coldest
Precipitation
3.4 in
8.3 wet days
Daylight
10 h 54 min
6:26 AM – 5:21 PM
Cloud cover
55%
1st clearest
Wind
6 mph
7th windiest
Solar energy
3.13 kWh/m²
Travel score
5.8
out of 10

Carlisle is borough in Cumberland County, Pennsylvania, United States.

Density
1,334/km²
people per km²
Founded
1751

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 69°F in the first days to 58°F by the end.

A typical October day in Carlisle reaches about 64°F in the afternoon and slips back to 46°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 75°F. Set against its neighbours, October runs about 12°F cooler than September and about 12°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
17052
26951
36951
46951
56850
66850
76750
86749
96749
106648
116648
126548
136547
146447
156447
166446
176346
186345
196245
206245
216244
226144
236144
246043
256043
266043
275942
285942
295842
305841
315841

How October really feels in Carlisle

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Carlisle weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 24°3.29.24.59.50.0
Feb40° / 25°2.894.410.40.2
Mar50° / 33°3.910.73.311.72.1
Apr62° / 43°3.711.20.3135.0
May71° / 53°3.812.7014.26.1
Jun80° / 62°3.711.6014.86.2
Jul84° / 67°3.910.8014.65.3
Aug82° / 65°3.410.6013.66.0
Sep76° / 58°4.49.3012.36.9
Oct64° / 46°3.48.30.210.95.8
Nov52° / 37°3.18.50.89.82.8
Dec42° / 29°3.4939.20.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45446
55446
65545
75545
85545
95446
105446
115347
125347
135248
145248
155149
165050
174951
184951
194852
204753
214753
224753
234753
244654
254753
264753
274753
284753
294753
304753
314753

Chance of precipitation in October

Any precipitation

Carlisle gets around 3.4 in of rain and snow over 8.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 31% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
131
230
329
428
528
627
726
826
925
1025
1125
1225
1326
1426
1526
1627
1727
1828
1928
2028
2129
2229
2329
2429
2529
2629
2729
2828
2928
3028
3127

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16616144
26815134
36914134
47014124
57313113
67413103
77512103
8761293
9791182
10791182
11811072
12821062
13831052
1485951
1586941
1687931
1787931
1889821
1990820
2090820
2190820
2292710
2392710
2492710
2592710
2693610
2793610
2893610
2994510
3094510
3194510

Wind in October

Winds average 6 mph in October.

Across October, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:10 AM to 6:43 AM, and sunset from 5:45 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:105:45
211.56:115:43
311.56:125:42
411.46:135:40
511.46:145:39
611.46:165:37
711.36:175:35
811.36:185:34
911.26:195:32
1011.26:205:30
1111.16:215:29
1211.16:225:27
1311.06:235:26
1411.06:245:24
1511.06:255:23
1610.96:265:21
1710.96:275:20
1810.86:295:18
1910.86:305:17
2010.76:315:15
2110.76:325:14
2210.76:335:13
2310.66:345:11
2410.66:355:10
2510.56:365:09
2610.56:385:07
2710.56:395:06
2810.46:405:05
2910.46:415:04
3010.36:425:02
3110.36:435:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.13 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 6.05 kWh/m² in June across the year — October's 3.13 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.6Moderate
Planning a trip in October

Is October a good time to visit Carlisle?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
5th-best month of the year
1.9
Beach & pool
6th-best month of the year

October is a reasonable time to visit Carlisle for sightseeing.

What to pack for Carlisle in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Carlisle sees daytime highs around 64°F and nights near 46°F. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

UV index in Carlisle in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Carlisle peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Carlisle in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Carlisle is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Moderate
Apr13Moderate
May14Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Carlisle?

Carlisle sits at 40.2°N, 77.2°W, 479 ft above sea level, in United States. The nearest listed city is Harrisburg, 17 mi away.

Topography around Carlisle

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Carlisle.

Within 2 miles, the terrain around Carlisle has only modest variations in elevation — a maximum elevation change of 180 ft around an average of 482 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,699 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,438 ft.

The land around Carlisle is covered by trees (37%), grassland (27%) and artificial surfaces (27%) within 2 miles, trees (50%), cropland (24%) and grassland (21%) within 10 miles, and trees (60%) and cropland (21%) within 50 miles.

2 miles
180 ft
10 miles
1,699 ft
50 miles
2,438 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Harrisburg 17 mi · York 29 mi · Hanover 30 mi · Chambersburg 31 mi · Lebanon 42 mi · Westminster 45 mi · Hagerstown 48 mi · Lancaster 48 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Carlisle (40.2015°, -77.1889°, elevation 479 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).