Lewiston climate

Lewiston Weather in October

NOAA 1991-2020 normals for Trenton, 8.2 km from Lewiston

Average highs run from 70°F on October 1 to 55°F on October 31, and lows from 35°F to 26°F. Normal precipitation for the month is 1.54 in over about 7 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 Lewiston, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
63°F
Average low
31°F
Precipitation
1.54 in
Snowfall
0.4 in
Record high
88°FOct 1, 2010
Record low
2°FOct 30, 2019
Chance of a freeze
100%
Daylight
11 h 44 min to 10 h 23 min
Cloud cover
52%
Humidity
57%
Dew point
28°F
Wind
6.3 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 170°F35°F88°F 201026°F 200721%0%
Oct 270°F35°F88°F 201024°F 199922%0%
Oct 369°F35°F84°F 201026°F 199922%1%
Oct 469°F34°F86°F 202424°F 201222%1%
Oct 568°F34°F80°F 199925°F 201322%1%
Oct 668°F34°F81°F 202423°F 201222%1%
Oct 767°F33°F82°F 202419°F 201222%1%
Oct 867°F33°F82°F 202422°F 201222%1%
Oct 966°F33°F83°F 200326°F 200022%1%
Oct 1066°F32°F81°F 199918°F 201922%1%
Oct 1165°F32°F83°F 202417°F 201922%1%
Oct 1265°F32°F80°F 202420°F 201922%1%
Oct 1364°F31°F80°F 202419°F 201922%1%
Oct 1464°F31°F80°F 202422°F 200222%1%
Oct 1563°F31°F80°F 202418°F 201822%1%
Oct 1663°F30°F78°F 201521°F 199922%2%
Oct 1762°F30°F77°F 200318°F 199922%2%
Oct 1862°F30°F77°F 200321°F 200122%2%
Oct 1961°F29°F77°F 200321°F 199922%2%
Oct 2061°F29°F78°F 200321°F 199922%2%
Oct 2160°F29°F78°F 200323°F 199923%2%
Oct 2260°F29°F79°F 200321°F 199923%2%
Oct 2359°F28°F73°F 200318°F 202023%3%
Oct 2459°F28°F75°F 201422°F 200123%3%
Oct 2558°F28°F77°F 201415°F 200123%3%
Oct 2658°F28°F74°F 19998°F 202023%3%
Oct 2757°F27°F75°F 201616°F 202023%4%
Oct 2857°F27°F72°F 201813°F 201923%4%
Oct 2956°F27°F70°F 20019°F 201923%4%
Oct 3056°F27°F70°F 20082°F 201924%4%
Oct 3155°F26°F73°F 201410°F 201924%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lewiston, 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 7:25 AM, sunset 7:09 PM
October 31
sunrise 7:59 AM, sunset 6:22 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00428828 (Trenton), public domain. Records: NOAA GHCN-Daily, station USW00094128, 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.