American Falls climate

American Falls Weather in October

NOAA 1991-2020 normals for American Falls 6 Ne, 8.2 km from American Falls

Average highs run from 68°F on October 1 to 53°F on October 31, and lows from 40°F to 31°F. Normal precipitation for the month is 0.77 in over about 6 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 American Falls, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
60°F
Average low
36°F
Precipitation
0.77 in
Snowfall
1.1 in
Record high
91°FOct 1, 1992
Record low
-6°FOct 30, 2019
Chance of a freeze
98%
Daylight
11 h 43 min to 10 h 21 min
Cloud cover
53%
Humidity
51%
Dew point
28°F
Wind
8.5 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°F40°F91°F 199218°F 195015%1%
Oct 267°F40°F89°F 201023°F 200915%1%
Oct 367°F40°F88°F 201024°F 196815%1%
Oct 466°F39°F86°F 202424°F 195315%1%
Oct 566°F39°F84°F 199321°F 200115%2%
Oct 665°F39°F84°F 194221°F 195515%2%
Oct 764°F39°F88°F 197918°F 201215%2%
Oct 864°F38°F83°F 194421°F 199015%2%
Oct 963°F38°F85°F 194218°F 196815%2%
Oct 1063°F38°F83°F 199616°F 201916%2%
Oct 1162°F37°F84°F 199114°F 201916%2%
Oct 1262°F37°F81°F 195017°F 201916%2%
Oct 1361°F37°F82°F 195814°F 200816%3%
Oct 1461°F37°F84°F 195817°F 196916%3%
Oct 1560°F36°F79°F 195816°F 196616%3%
Oct 1660°F36°F81°F 201520°F 196617%3%
Oct 1759°F36°F81°F 195814°F 199617%3%
Oct 1859°F35°F82°F 195519°F 196417%3%
Oct 1958°F35°F78°F 195019°F 197617%3%
Oct 2058°F35°F80°F 200317°F 198218%3%
Oct 2157°F34°F78°F 200317°F 199618%4%
Oct 2257°F34°F83°F 200317°F 194918%4%
Oct 2356°F34°F75°F 196016°F 202018%4%
Oct 2456°F33°F76°F 199216°F 201919%4%
Oct 2555°F33°F76°F 201411°F 202019%4%
Oct 2655°F33°F75°F 19443°F 202019%4%
Oct 2754°F33°F75°F 199010°F 201919%4%
Oct 2854°F32°F74°F 19907°F 201920%4%
Oct 2954°F32°F72°F 19681°F 201920%5%
Oct 3053°F31°F72°F 1962-6°F 201920%5%
Oct 3153°F31°F75°F 20126°F 201920%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at American Falls, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

October 1
sunrise 7:29 AM, sunset 7:12 PM
October 31
sunrise 8:04 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 USC00100227 (American Falls 6 Ne), public domain. Records: NOAA GHCN-Daily, station USW00024156, 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.