Johnstown weather in October

In October, Johnstown sees average daytime highs of 59°F and overnight lows near 42°F, with 3.7 in of precipitation across 11.4 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 64°F in the first days to 54°F by the end. The sky is clear or mostly clear about 31% 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 Johnstown's 3rd-clearest and 7th-windiest month. For the whole year in context, see Johnstown's year-round climate.

Daytime high
59°
6th warmest
Overnight low
42°
7th coldest
Precipitation
3.7 in
11.4 wet days
Daylight
10 h 54 min
6:33 AM – 5:28 PM
Cloud cover
59%
3rd clearest
Wind
7 mph
7th windiest
Solar energy
3.06 kWh/m²
Travel score
4.5
out of 10

Johnstown is city in Cambria County, Pennsylvania, United States.

Density
1,266/km²
people per km²
Founded
1770

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 64°F in the first days to 54°F by the end.

A typical October day in Johnstown reaches about 59°F in the afternoon and slips back to 42°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 47°F and 71°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)
16547
26547
36447
46446
56446
66346
76345
86345
96244
106244
116144
126143
136043
146043
156042
165942
175942
185841
195841
205741
215740
225640
235640
245639
255539
265539
275538
285438
295438
305337
315337

How October really feels in Johnstown

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 3 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
3
wind chill below the day's low

The story in October is cold — wind chill drags the overnight "feels like" below the raw low.

Johnstown weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 20°3.714.410.99.50.0
Feb36° / 21°3.412.49.110.40.0
Mar45° / 29°4.414.16.411.70.9
Apr58° / 39°4.714.62.4133.7
May67° / 49°5.015.4014.25.3
Jun74° / 58°4.814.2014.86.1
Jul78° / 62°4.114.1014.66.2
Aug77° / 60°3.512.3013.66.5
Sep71° / 53°3.910.8012.36.5
Oct59° / 42°3.711.40.810.94.5
Nov47° / 33°3.511.53.59.81.6
Dec38° / 25°3.913.37.69.20.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45149
55149
65248
75248
85149
95149
105050
115050
124951
134852
144951
154852
164852
174654
184654
194654
204555
214555
224555
234456
244456
254357
264357
274357
284357
294357
304357
314258

Chance of precipitation in October

Any precipitationSnow

Johnstown gets around 3.7 in of rain and snow over 11.4 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 37% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1360
2360
3350
4350
5341
6341
7341
8341
9341
10351
11351
12361
13362
14372
15382
16382
17392
18392
19403
20403
21403
22404
23404
24404
25404
26404
27395
28395
29395
30385
31386

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17415101
27514101
3761491
4771391
5791281
6801181
7811171
8831061
9831061
1085951
1185951
1287841
1388741
1489731
1590631
1692620
1792620
1894510
1994510
2094510
2195410
2295410
2396400
2496400
2597300
2697300
2797300
2897300
2997300
3098200
3198200

Wind in October

Winds average 7 mph in October.

Across October, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227light breeze
237light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

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 6:17 AM to 6:51 AM, and sunset from 5:52 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:175:52
211.56:185:50
311.56:195:49
411.46:205:47
511.46:215:45
611.46:235:44
711.36:245:42
811.36:255:40
911.26:265:39
1011.26:275:37
1111.16:285:36
1211.16:295:34
1311.06:305:33
1411.06:315:31
1511.06:325:30
1610.96:335:28
1710.96:355:27
1810.86:365:25
1910.86:375:24
2010.76:385:22
2110.76:395:21
2210.76:405:19
2310.66:415:18
2410.66:425:17
2510.56:445:15
2610.56:455:14
2710.46:465:13
2810.46:475:12
2910.46:485:10
3010.36:495:09
3110.36:515:08

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.06 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 5.94 kWh/m² in June across the year — October's 3.06 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.5Moderate
Planning a trip in October

Is October a good time to visit Johnstown?

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

4.5
Sightseeing
6th-best month of the year
0.7
Beach & pool
6th-best month of the year

October is a reasonable time to visit Johnstown for sightseeing.

What to pack for Johnstown in October

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

In October, Johnstown sees daytime highs around 59°F and nights near 42°F. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Johnstown 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 Johnstown peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 23UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Johnstown 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 Johnstown is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1316 µg/m³Nov 147 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar11Good
Apr12Good
May14Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Johnstown?

Johnstown sits at 40.3°N, 78.9°W, 1,168 ft above sea level, in United States. The nearest listed city is Altoona, 30 mi away.

Topography around Johnstown

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

Within 2 miles, the terrain around Johnstown has significant variations in elevation — a maximum elevation change of 837 ft around an average of 1,493 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,831 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,641 ft.

The land around Johnstown is covered by trees (66%) and artificial surfaces (20%) within 2 miles, trees (79%) within 10 miles, and trees (77%) within 50 miles.

2 miles
837 ft
10 miles
1,831 ft
50 miles
2,641 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Altoona 30 mi · Murrysville 42 mi · Plum 45 mi · Monroeville 46 mi · Cumberland 47 mi · McKeesport 50 mi · Penn Hills 50 mi · West Mifflin 50 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 Johnstown (40.3267°, -78.922°, elevation 1,168 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).