Peconic climate

Peconic Weather in October

NOAA 1991-2020 normals for Mattituck, 7.7 km from Peconic

Average highs run from 69°F on October 1 to 59°F on October 31, and lows from 51°F to 41°F. Normal precipitation for the month is 4.04 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 Peconic, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
64°F
Average low
46°F
Precipitation
4.04 in
Record high
88°FOct 6, 1941
Record low
22°FOct 31, 1966
Chance of a freeze
45%
Daylight
11 h 45 min to 10 h 27 min
Cloud cover
57%
Humidity
77%
Dew point
50°F
Wind
11.6 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 169°F51°F83°F 195036°F 19930%
Oct 269°F51°F83°F 200232°F 19920%
Oct 368°F50°F85°F 201938°F 19350%
Oct 468°F50°F83°F 194135°F 19450%
Oct 567°F50°F82°F 196732°F 19960%
Oct 667°F49°F88°F 194129°F 19840%
Oct 767°F49°F81°F 194628°F 19840%
Oct 866°F49°F83°F 200730°F 19540%
Oct 966°F48°F80°F 201130°F 19880%
Oct 1066°F48°F84°F 194931°F 19890%
Oct 1165°F48°F79°F 194930°F 19720%
Oct 1265°F47°F79°F 195529°F 19640%
Oct 1365°F47°F80°F 199530°F 19810%
Oct 1464°F47°F78°F 199029°F 19810%
Oct 1564°F46°F80°F 195629°F 19870%
Oct 1664°F46°F78°F 196330°F 19390%
Oct 1763°F46°F78°F 193830°F 19370%
Oct 1863°F45°F74°F 194728°F 19780%
Oct 1963°F45°F78°F 196327°F 19860%
Oct 2062°F45°F77°F 194728°F 19720%
Oct 2162°F44°F77°F 194726°F 19720%
Oct 2262°F44°F76°F 197929°F 19740%
Oct 2361°F44°F76°F 202424°F 19970%
Oct 2461°F43°F74°F 200128°F 20080%
Oct 2561°F43°F73°F 200127°F 20030%
Oct 2660°F43°F74°F 197129°F 20130%
Oct 2760°F42°F75°F 202327°F 19870%
Oct 2860°F42°F75°F 197126°F 19360%
Oct 2959°F42°F77°F 202326°F 20010%
Oct 3059°F41°F75°F 194628°F 19620%
Oct 3159°F41°F72°F 194622°F 19660%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Peconic, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 6:47 AM, sunset 6:32 PM
October 31
sunrise 7:20 AM, sunset 5:47 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00305142 (Mattituck), public domain. Records: NOAA GHCN-Daily, station USC00300889, 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.