Grant County climate

Grant County Weather in October

NOAA 1991-2020 normals for Petersburg, 12.9 km from Grant County

Average highs run from 75°F on October 1 to 63°F on October 31, and lows from 48°F to 37°F. Normal precipitation for the month is 2.72 in.

October day by day

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

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

October at a glance

Average high
69°F
Average low
42°F
Precipitation
2.72 in
Snowfall
5.5 in
Record high
89°FOct 8, 2007
Record low
18°FOct 23, 1997
Chance of a freeze
86%
Daylight
11 h 46 min to 10 h 34 min
Cloud cover
58%
Humidity
74%
Dew point
43°F
Wind
4.3 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 175°F48°F84°F 201434°F 20051%
Oct 274°F48°F84°F 200532°F 19982%
Oct 374°F47°F85°F 200527°F 20032%
Oct 473°F47°F86°F 200728°F 20032%
Oct 573°F46°F87°F 200731°F 19962%
Oct 673°F46°F87°F 200734°F 20042%
Oct 772°F45°F87°F 201330°F 20013%
Oct 872°F45°F89°F 200725°F 20013%
Oct 971°F45°F89°F 200724°F 20013%
Oct 1071°F44°F87°F 200724°F 20013%
Oct 1171°F44°F85°F 201031°F 20014%
Oct 1270°F44°F84°F 201030°F 19964%
Oct 1370°F43°F81°F 201027°F 20064%
Oct 1469°F43°F82°F 200127°F 20065%
Oct 1569°F42°F85°F 200825°F 20065%
Oct 1669°F42°F82°F 200831°F 19975%
Oct 1768°F42°F80°F 199628°F 19956%
Oct 1868°F41°F81°F 199827°F 20016%
Oct 1967°F41°F86°F 199826°F 20016%
Oct 2067°F41°F82°F 201624°F 20087%
Oct 2167°F40°F86°F 201625°F 20227%
Oct 2266°F40°F82°F 200725°F 20228%
Oct 2366°F40°F83°F 202018°F 19978%
Oct 2466°F39°F83°F 200118°F 19979%
Oct 2565°F39°F87°F 200123°F 20259%
Oct 2665°F39°F80°F 201223°F 200610%
Oct 2764°F38°F77°F 201023°F 200610%
Oct 2864°F38°F83°F 202325°F 202410%
Oct 2964°F38°F78°F 201419°F 200111%
Oct 3063°F37°F82°F 202420°F 200111%
Oct 3163°F37°F82°F 200424°F 200012%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grant County, 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 (EDT).

October 1
sunrise 7:13 AM, sunset 6:59 PM
October 31
sunrise 7:43 AM, sunset 6:17 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00466952 (Petersburg), public domain. Records: NOAA GHCN-Daily, station USC00466952, 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.