Atascadero weather in October

In October, Atascadero sees average daytime highs of 73°F and overnight lows near 53°F, with 0.7 in of rain across 2 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 76°F in the first days to 70°F by the end. The sky is clear or mostly clear about 77% 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 36 min by month's end. Set against the rest of the year, October is Atascadero's 5th-clearest and 9th-windiest month. For the whole year in context, see Atascadero's year-round climate.

Daytime high
73°
5th warmest
Overnight low
53°
8th coldest
Rainfall
0.7 in
2 wet days
Daylight
11 h 06 min
6:15 AM – 5:20 PM
Cloud cover
22%
5th clearest
Wind
4 mph
9th windiest
Solar energy
4.7 kWh/m²
Travel score
8.8
out of 10

Atascadero is city in San Luis Obispo County, California, United States.

Density
441/km²
people per km²
Founded
1979

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 76°F in the first days to 70°F by the end.

A typical October day in Atascadero reaches about 73°F in the afternoon and slips back to 53°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 64°F and 82°F. Set against its neighbours, October runs about 5°F cooler than September and about 8°F warmer than November.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17656
27656
37655
47555
57555
67555
77555
87555
97454
107454
117454
127454
137454
147454
157353
167353
177353
187353
197353
207253
217253
227252
237152
247152
257152
267151
277051
287051
296951
306950
316950

Atascadero weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan59° / 43°3.37.19.95.0
Feb60° / 44°3.37.710.75.2
Mar63° / 46°2.56.411.76.3
Apr67° / 48°0.93.512.97.5
May71° / 51°0.41.713.88.5
Jun76° / 55°0.10.414.49.4
Jul79° / 59°0.00.114.29.2
Aug80° / 59°0.00.213.39.1
Sep78° / 57°0.10.412.29.2
Oct73° / 53°0.7211.18.8
Nov65° / 47°1.13.610.17.1
Dec59° / 42°2.56.29.65.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3919
4919
5919
69010
79010
89010
98911
108812
118812
128812
138812
148614
158614
168614
178614
188515
198515
208515
218416
228317
238317
248317
258317
268317
278218
288119
298119
308020
317921

Chance of precipitation in October

Any precipitation

Atascadero gets around 0.7 in of rain over 2 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
24
34
44
54
64
75
85
95
105
115
125
135
145
155
165
176
186
196
206
216
227
237
247
258
268
278
288
299
309
319

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 (%)
166322
268311
370291
471281
573261
674251
776231
877221
978211
1078202
1179192
1280182
1380182
1481172
1581172
1682162
1783152
1883152
1985141
2086131
2186131
2287121
2388111
2489101
259190
269280
279370
289370
299460
309550
319550

Wind in October

Winds average 4 mph in October.

Across October, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

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

Days shrink by about 60 minutes over October. Sunrise moves from 6:02 AM to 6:29 AM, and sunset from 5:41 PM to 5:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:025:41
211.66:035:40
311.66:045:38
411.56:055:37
511.56:065:35
611.56:065:34
711.46:075:32
811.46:085:31
911.36:095:30
1011.36:105:28
1111.36:115:27
1211.26:125:26
1311.26:125:24
1411.26:135:23
1511.16:145:22
1611.16:155:20
1711.06:165:19
1811.06:175:18
1911.06:185:17
2010.96:195:15
2110.96:205:14
2210.96:215:13
2310.86:225:12
2410.86:235:11
2510.86:235:10
2610.76:245:08
2710.76:255:07
2810.76:265:06
2910.66:275:05
3010.66:285:04
3110.66:295:03

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.7 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 8.26 kWh/m² in June across the year — October's 4.7 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.6Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.1Bright
294.0Bright
304.0Bright
314.0Moderate
Planning a trip in October

Is October a good time to visit Atascadero?

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

8.8
Sightseeing
5th-best month of the year
6.5
Beach & pool
5th-best month of the year

October is one of the better times to visit Atascadero for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Atascadero in October

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

In October, Atascadero sees daytime highs around 73°F and nights near 53°F. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Atascadero in October

The nearest coast averages about 60°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 14 mi away) is warmest in September at about 60°F and coldest in April near 54°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

52°54°56°58°60°62°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan56Bracing
Feb56Bracing
Mar55Bracing
Apr54Bracing
May54Bracing
Jun56Bracing
Jul58Bracing
Aug59Cool
Sep60Cool
Oct60Cool
Nov58Bracing
Dec57Bracing

UV index in Atascadero in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Atascadero peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 21UV 11Dec 14UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep7Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Atascadero 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 Atascadero is worst in August — around 19 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (June, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2218 µg/m³Jun 124 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar7Good
Apr6Good
May5Good
Jun4Good
Jul7Good
Aug19Moderate
Sep17Moderate
Oct7Good
Nov6Good
Dec5Good
Location & terrain

Where is Atascadero?

Atascadero sits at 35.5°N, 120.7°W, 879 ft above sea level, in United States. The nearest listed city is Paso Robles, 9.3 mi away.

Topography around Atascadero

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

Within 2 miles, the terrain around Atascadero has only modest variations in elevation — a maximum elevation change of 600 ft around an average of 948 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,549 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,698 ft.

The land around Atascadero is covered by trees (39%), grassland (35%) and artificial surfaces (23%) within 2 miles, grassland (56%) and trees (33%) within 10 miles, and grassland (54%) and water (22%) within 50 miles.

2 miles
600 ft
10 miles
2,549 ft
50 miles
4,698 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Paso Robles 9.3 mi · San Luis Obispo 14 mi · Arroyo Grande 26 mi · Nipomo 33 mi · Santa Maria 39 mi · Orcutt 45 mi · Coalinga 48 mi · Lompoc 60 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 Atascadero (35.4894°, -120.6707°, elevation 879 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. 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).