Mammoth climate

Mammoth Weather in October

NOAA 1991-2020 normals for Mt Pleasant, 3.5 km from Mammoth

Average highs run from 70°F on October 1 to 58°F on October 31, and lows from 45°F to 35°F. Normal precipitation for the month is 3.18 in over about 10 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 Mammoth, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
64°F
Average low
40°F
Precipitation
3.18 in
Snowfall
0.1 in
Record high
86°FOct 8, 2007
Record low
20°FOct 20, 1992
Chance of a freeze
96%
Daylight
11 h 46 min to 10 h 30 min
Cloud cover
63%
Humidity
75%
Dew point
42°F
Wind
4.9 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°F45°F80°F 199132°F 199235%0%
Oct 269°F45°F80°F 199131°F 199735%0%
Oct 369°F45°F81°F 199126°F 200335%0%
Oct 468°F44°F85°F 200728°F 199635%0%
Oct 568°F44°F83°F 200231°F 199635%0%
Oct 668°F43°F85°F 200730°F 200335%0%
Oct 767°F43°F85°F 200728°F 199935%0%
Oct 867°F43°F86°F 200727°F 200135%0%
Oct 966°F42°F83°F 200728°F 200135%0%
Oct 1066°F42°F82°F 201036°F 200035%0%
Oct 1166°F42°F78°F 200833°F 199635%0%
Oct 1265°F41°F81°F 200827°F 199635%0%
Oct 1365°F41°F78°F 199729°F 199635%0%
Oct 1464°F41°F82°F 200128°F 200635%0%
Oct 1564°F40°F77°F 199227°F 200635%1%
Oct 1664°F40°F79°F 199231°F 199735%1%
Oct 1763°F40°F76°F 200726°F 199135%1%
Oct 1863°F39°F78°F 199823°F 200835%1%
Oct 1963°F39°F77°F 199823°F 200835%1%
Oct 2062°F39°F76°F 200520°F 199235%1%
Oct 2162°F38°F78°F 200720°F 199235%1%
Oct 2261°F38°F77°F 200723°F 200835%1%
Oct 2361°F38°F74°F 200724°F 199735%1%
Oct 2461°F37°F80°F 199127°F 199735%1%
Oct 2560°F37°F80°F 199130°F 199635%1%
Oct 2660°F37°F81°F 199127°F 199235%1%
Oct 2760°F36°F82°F 199126°F 199935%1%
Oct 2859°F36°F80°F 199125°F 199935%2%
Oct 2959°F36°F70°F 199123°F 200136%2%
Oct 3058°F36°F76°F 199924°F 200036%2%
Oct 3158°F35°F77°F 199923°F 201036%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mammoth, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 7:14 AM, sunset 7:00 PM
October 31
sunrise 7:46 AM, sunset 6:16 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00366042 (Mt Pleasant), public domain. Records: NOAA GHCN-Daily, station USC00366042, 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.