Gretna climate

Gretna Weather in October

NOAA 1991-2020 normals for Chatham, 15.4 km from Gretna

Average highs run from 74°F on October 1 to 65°F on October 31, and lows from 50°F to 36°F. Normal precipitation for the month is 3.46 in over about 9 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 Gretna, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
70°F
Average low
43°F
Precipitation
3.46 in
Record high
97°FOct 4, 2019
Record low
19°FOct 29, 2001
Chance of a freeze
78%
Daylight
11 h 48 min to 10 h 40 min
Cloud cover
51%
Humidity
74%
Dew point
48°F
Wind
4.0 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 174°F50°F91°F 199829°F 200129%0%
Oct 274°F50°F90°F 201929°F 200129%0%
Oct 374°F49°F96°F 201926°F 200329%0%
Oct 473°F49°F97°F 201926°F 200329%0%
Oct 573°F48°F90°F 198634°F 198129%0%
Oct 673°F48°F88°F 201334°F 198529%0%
Oct 772°F47°F87°F 199729°F 200129%0%
Oct 872°F47°F90°F 200724°F 200130%0%
Oct 972°F46°F91°F 200723°F 200130%0%
Oct 1071°F46°F92°F 200726°F 200030%0%
Oct 1171°F45°F87°F 199726°F 200030%0%
Oct 1271°F45°F86°F 198527°F 200030%0%
Oct 1371°F44°F80°F 201927°F 200030%0%
Oct 1470°F44°F81°F 197827°F 200630%0%
Oct 1570°F43°F87°F 198524°F 200629%0%
Oct 1670°F43°F88°F 198531°F 197929%0%
Oct 1769°F42°F82°F 198430°F 200329%0%
Oct 1869°F42°F82°F 200724°F 200129%0%
Oct 1969°F41°F84°F 198423°F 200129%0%
Oct 2069°F41°F84°F 198424°F 200129%0%
Oct 2168°F41°F88°F 198426°F 198129%0%
Oct 2268°F40°F84°F 198427°F 202229%0%
Oct 2368°F40°F81°F 197823°F 199829%0%
Oct 2467°F39°F82°F 197822°F 199829%0%
Oct 2567°F39°F82°F 201225°F 199829%0%
Oct 2667°F38°F81°F 197520°F 200629%0%
Oct 2766°F38°F80°F 198425°F 200129%0%
Oct 2866°F38°F83°F 198426°F 200129%0%
Oct 2966°F37°F84°F 202319°F 200129%0%
Oct 3065°F37°F85°F 198419°F 200129%0%
Oct 3165°F36°F83°F 202320°F 199729%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gretna, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 7:13 AM, sunset 7:01 PM
October 31
sunrise 7:41 AM, sunset 6:21 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00441614 (Chatham), public domain. Records: NOAA GHCN-Daily, station USC00441082, 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.