Sidney weather in October

In October, Sidney sees average daytime highs of 63°F and overnight lows near 45°F, with 2.9 in of precipitation across 8.7 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 69°F in the first days to 57°F by the end. The sky is clear or mostly clear about 34% 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 Sidney's 4th-clearest and 7th-windiest month. For the whole year in context, see Sidney's year-round climate.

Daytime high
63°
6th warmest
Overnight low
45°
7th coldest
Precipitation
2.9 in
8.7 wet days
Daylight
10 h 54 min
6:54 AM – 5:49 PM
Cloud cover
57%
4th clearest
Wind
9 mph
7th windiest
Solar energy
3.17 kWh/m²
Travel score
5.7
out of 10

Sidney is seat of Shelby County, Ohio, United States.

Density
668/km²
people per km²

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 57°F by the end.

A typical October day in Sidney reaches about 63°F in the afternoon and slips back to 45°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 76°F. Set against its neighbours, October runs about 12°F cooler than September and about 13°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
17050
27050
36949
46949
56849
66848
76848
86748
96747
106647
116647
126546
136546
146445
156445
166345
176344
186244
196244
206143
216143
226043
236042
246042
255942
265941
275841
285841
295740
305740
315640

How October really feels in Sidney

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.

Sidney weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 21°3.110.35.49.50.0
Feb38° / 24°2.58.94.810.40.0
Mar49° / 32°3.6112.911.71.9
Apr62° / 42°4.512.60.8134.8
May71° / 53°4.313.6014.26.0
Jun80° / 62°4.012014.86.2
Jul83° / 65°3.411.4014.65.9
Aug81° / 64°3.310013.66.5
Sep76° / 56°2.87.8012.37.2
Oct63° / 45°2.98.70.210.95.7
Nov50° / 35°3.391.29.82.3
Dec39° / 26°3.1103.79.20.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55347
65347
75248
85248
95149
105149
115149
125050
134951
144852
154852
164753
174654
184555
194555
204555
214357
224258
234258
244060
254060
263961
273961
283961
293862
303862
313961

Chance of precipitation in October

Any precipitationSnow

Sidney gets around 2.9 in of rain and snow over 8.7 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 (%)Snow chance (%)
1270
2270
3260
4250
5250
6250
7250
8250
9260
10260
11260
12270
13270
14270
15280
16280
17280
18290
19291
20301
21301
22301
23311
24311
25311
26312
27312
28312
29312
30302
31302

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1741484
2741484
3761374
4761374
5761374
6781264
7781264
8801253
9811153
10811153
11841042
12841042
1386932
1487931
1587931
1689821
1790820
1890820
1990820
2091810
2192710
2292710
2392710
2493610
2593610
2693610
2793610
2893610
2993610
3094510
3194510

Wind in October

Winds average 9 mph in October.

Across October, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light 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 6:38 AM to 7:11 AM, and sunset from 6:13 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:386:13
211.56:396:11
311.56:406:10
411.46:416:08
511.46:426:06
611.46:436:05
711.36:456:03
811.36:466:01
911.26:476:00
1011.26:485:58
1111.16:495:57
1211.16:505:55
1311.06:515:54
1411.06:525:52
1511.06:535:51
1610.96:545:49
1710.96:555:48
1810.86:575:46
1910.86:585:45
2010.76:595:43
2110.77:005:42
2210.77:015:40
2310.67:025:39
2410.67:035:38
2510.57:045:36
2610.57:065:35
2710.57:075:34
2810.47:085:33
2910.47:095:31
3010.37:105:30
3110.37:115:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.17 kWh/m².

For context, solar energy here swings from a low near 1.63 kWh/m² to a high of 6.25 kWh/m² in June across the year — October's 3.17 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in October

Is October a good time to visit Sidney?

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

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

October is a reasonable time to visit Sidney for sightseeing.

What to pack for Sidney in October

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

In October, Sidney sees daytime highs around 63°F and nights near 45°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Sidney in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sidney peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 20UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1217 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Sidney?

Sidney sits at 40.3°N, 84.2°W, 951 ft above sea level, in United States. The nearest listed city is Piqua, 11 mi away.

Topography around Sidney

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

Within 2 miles, the terrain around Sidney has only modest variations in elevation — a maximum elevation change of 207 ft around an average of 1,020 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 427 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 879 ft.

The land around Sidney is covered by trees (31%), grassland (23%) and artificial surfaces (23%) within 2 miles, cropland (70%) within 10 miles, and cropland (73%) within 50 miles.

2 miles
207 ft
10 miles
427 ft
50 miles
879 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Piqua 11 mi · Troy 17 mi · Vandalia 27 mi · Huber Heights 30 mi · Springfield 31 mi · Lima 32 mi · Fairborn 33 mi · Trotwood 35 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 Sidney (40.2842°, -84.1555°, elevation 951 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).