Morristown weather in October

In October, Morristown sees average daytime highs of 64°F and overnight lows near 47°F, with 4.0 in of precipitation across 9.1 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 38% 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 Morristown's 1st-clearest and 7th-windiest month. For the whole year in context, see Morristown's year-round climate.

Daytime high
64°
6th warmest
Overnight low
47°
7th coldest
Precipitation
4.0 in
9.1 wet days
Daylight
10 h 54 min
6:16 AM – 5:10 PM
Cloud cover
54%
1st clearest
Wind
7 mph
7th windiest
Solar energy
3.09 kWh/m²
Travel score
5.7
out of 10

Morristown is town in Morris County, New Jersey, United States.

Density
2,372/km²
people per km²
Founded
1715

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 Morristown reaches about 64°F in the afternoon and slips back to 47°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 74°F. Set against its neighbours, October runs about 12°F cooler than September and about 11°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16953
26952
36952
46851
56851
66851
76750
86750
96650
106649
116649
126548
136548
146448
156447
166447
176347
186346
196246
206246
216245
226145
236144
246044
256044
266044
275943
285943
295842
305842
315842

How October really feels in Morristown

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.

Morristown 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°3.59.24.89.40.0
Feb40° / 25°3.18.6410.40.1
Mar49° / 33°4.310.53.711.71.9
Apr60° / 43°3.811.10.613.14.7
May70° / 52°3.811.7014.26.2
Jun79° / 62°4.311.7014.96.2
Jul84° / 67°4.311014.65.3
Aug82° / 66°4.010.8013.66.0
Sep75° / 58°4.39.4012.36.9
Oct64° / 47°4.09.10.210.95.7
Nov52° / 37°3.280.69.72.9
Dec42° / 29°4.19.73.19.10.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45446
55545
65545
75545
85545
95644
105644
115644
125644
135545
145545
155545
165446
175446
185347
195347
205248
215248
225149
235149
245149
255149
265149
275050
285050
295050
305050
315050

Chance of precipitation in October

Any precipitation

Morristown gets around 4.0 in of rain and snow over 9.1 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 30% and peaks near 32% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
331
431
531
631
731
830
930
1030
1131
1231
1331
1431
1531
1631
1730
1830
1930
2030
2130
2230
2329
2429
2529
2628
2728
2827
2927
3026
3126

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
166141361
267141261
368141251
470131151
571131051
67313941
77313941
87513831
97612831
107712731
117812721
128011621
138011621
148210521
158410510
168510410
17869410
18869410
19888310
20888310
21888310
22897310
23897310
24897310
25897310
26907210
27916210
28926200
29926200
30926200
31926200

Wind in October

Winds average 7 mph in October.

Across October, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:00 AM to 6:34 AM, and sunset from 5:34 PM to 4:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:005:34
211.56:015:32
311.56:025:31
411.46:035:29
511.46:045:27
611.36:055:26
711.36:065:24
811.36:075:22
911.26:085:21
1011.26:095:19
1111.16:115:18
1211.16:125:16
1311.06:135:14
1411.06:145:13
1510.96:155:11
1610.96:165:10
1710.86:175:08
1810.86:185:07
1910.86:205:05
2010.76:215:04
2110.76:225:02
2210.66:235:01
2310.66:245:00
2410.56:254:58
2510.56:274:57
2610.56:284:56
2710.46:294:54
2810.46:304:53
2910.36:314:52
3010.36:324:50
3110.36:344:49

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.09 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 5.95 kWh/m² in June across the year — October's 3.09 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
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
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in October

Hazard calendar for Morristown

In seasonPeak

In October, Morristown sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Morristown sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Morristown?

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

5.7
Sightseeing
5th-best month of the year
1.8
Beach & pool
6th-best month of the year

October is a reasonable time to visit Morristown for sightseeing.

What to pack for Morristown in October

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

In October, Morristown sees daytime highs around 64°F and nights near 47°F. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Morristown in October

The nearest coast averages about 63°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 mi away) is warmest in August at about 74°F and coldest in February near 40°F.

It's comfortable for a long swim from Jun 30 to Sep 26 — about 2.9 months when the water holds above 68°F.

40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan43Bracing
Feb40Bracing
Mar41Bracing
Apr46Bracing
May55Bracing
Jun65Cool
Jul72Refreshing
Aug74Refreshing
Sep71Refreshing
Oct63Cool
Nov55Bracing
Dec48Bracing

UV index in Morristown 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 Morristown peaks around July 11 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 11UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Morristown 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 Morristown is worst in July — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (November, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1318 µg/m³Nov 1410 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar16Moderate
Apr16Moderate
May17Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec12Good
Location & terrain

Where is Morristown?

Morristown sits at 40.8°N, 74.5°W, 361 ft above sea level, in United States. The nearest listed city is Madison, 4.3 mi away.

Topography around Morristown

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

Within 2 miles, the terrain around Morristown has only modest variations in elevation — a maximum elevation change of 509 ft around an average of 410 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,027 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,323 ft.

The land around Morristown is covered by trees (71%) within 2 miles, trees (81%) within 10 miles, and trees (66%) within 50 miles.

2 miles
509 ft
10 miles
1,027 ft
50 miles
2,323 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Madison 4.3 mi · Parsippany 5.0 mi · Randolph 6.2 mi · Denville 6.8 mi · Basking Ridge 7.5 mi · Dover 7.5 mi · Summit 8.1 mi · Livingston 8.7 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 Morristown (40.7968°, -74.4815°, elevation 361 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).