Arco climate

Arco Weather in October

NOAA 1991-2020 normals for Arco, 0.2 km from Arco

Average highs run from 68°F on October 1 to 51°F on October 31, and lows from 36°F to 25°F. Normal precipitation for the month is 0.71 in over about 4 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Arco, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
60°F
Average low
31°F
Precipitation
0.71 in
Snowfall
0.3 in
Record high
81°FOct 10, 2015
Record low
6°FOct 30, 2019
Chance of a freeze
100%
Daylight
11 h 43 min to 10 h 17 min
Cloud cover
49%
Humidity
52%
Dew point
24°F
Wind
7.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 168°F36°F79°F 202029°F 201912%0%
Oct 268°F36°F79°F 202426°F 201912%0%
Oct 367°F35°F76°F 202030°F 201912%0%
Oct 466°F35°F80°F 202432°F 201812%0%
Oct 566°F35°F78°F 202124°F 201812%0%
Oct 665°F34°F78°F 202427°F 201912%0%
Oct 765°F34°F78°F 202427°F 201812%0%
Oct 864°F34°F79°F 202427°F 201812%0%
Oct 964°F33°F80°F 202426°F 201812%0%
Oct 1063°F33°F81°F 201517°F 201911%0%
Oct 1163°F32°F75°F 202418°F 201911%0%
Oct 1262°F32°F78°F 202423°F 201711%0%
Oct 1361°F32°F78°F 201525°F 201811%0%
Oct 1461°F31°F79°F 201523°F 201811%0%
Oct 1560°F31°F79°F 202422°F 201811%0%
Oct 1660°F31°F78°F 201526°F 202211%0%
Oct 1759°F30°F74°F 201533°F 202111%0%
Oct 1858°F30°F75°F 202225°F 201912%0%
Oct 1958°F29°F74°F 202226°F 201912%0%
Oct 2057°F29°F75°F 202318°F 201912%0%
Oct 2157°F29°F74°F 202325°F 201712%0%
Oct 2256°F28°F71°F 202325°F 202012%1%
Oct 2355°F28°F68°F 202323°F 202012%1%
Oct 2455°F28°F68°F 201422°F 202212%1%
Oct 2554°F27°F67°F 201417°F 202012%1%
Oct 2654°F27°F69°F 20169°F 202012%1%
Oct 2753°F26°F68°F 201819°F 201912%1%
Oct 2853°F26°F65°F 201712°F 201912%1%
Oct 2952°F26°F67°F 201712°F 201912%1%
Oct 3051°F25°F65°F 20146°F 201912%1%
Oct 3151°F25°F62°F 201414°F 201912%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Arco, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

October 1
sunrise 7:31 AM, sunset 7:14 PM
October 31
sunrise 8:08 AM, sunset 6:25 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00100375 (Arco), public domain. Records: NOAA GHCN-Daily, station USC00100774, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.