Mastic climate

Mastic Weather in October

NOAA 1991-2020 normals for Shirley Brookhaven AP, 3.2 km from Mastic

Average highs run from 69°F on October 1 to 59°F on October 31, and lows from 52°F to 41°F. Normal precipitation for the month is 3.99 in over about 12 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 Mastic, 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
3.99 in
Record high
89°FOct 2, 2019
Record low
27°FOct 25, 2003
Chance of a freeze
60%
Daylight
11 h 45 min to 10 h 28 min
Cloud cover
57%
Humidity
77%
Dew point
49°F
Wind
9.8 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°F52°F80°F 201340°F 200040%0%
Oct 269°F51°F89°F 201937°F 200940%0%
Oct 368°F51°F81°F 200233°F 200340%0%
Oct 468°F50°F82°F 202341°F 200440%0%
Oct 568°F50°F84°F 200237°F 200440%0%
Oct 667°F50°F81°F 201733°F 200440%0%
Oct 767°F49°F80°F 200732°F 199940%0%
Oct 867°F49°F88°F 200731°F 199940%0%
Oct 966°F48°F84°F 201128°F 200139%0%
Oct 1066°F48°F83°F 201733°F 202539%0%
Oct 1166°F48°F78°F 201736°F 200939%0%
Oct 1265°F47°F72°F 202136°F 200039%0%
Oct 1365°F47°F73°F 202131°F 201239%0%
Oct 1465°F47°F78°F 202131°F 200639%0%
Oct 1564°F46°F78°F 202131°F 199939%0%
Oct 1664°F46°F74°F 202131°F 200638%0%
Oct 1764°F45°F75°F 201636°F 201238%0%
Oct 1863°F45°F73°F 200630°F 200138%0%
Oct 1963°F45°F82°F 201628°F 201538%0%
Oct 2063°F44°F76°F 202133°F 200338%0%
Oct 2162°F44°F77°F 202434°F 201837%0%
Oct 2262°F44°F82°F 202431°F 201837%0%
Oct 2362°F43°F75°F 201732°F 200837%0%
Oct 2461°F43°F73°F 200129°F 200337%0%
Oct 2561°F43°F75°F 200127°F 200337%0%
Oct 2661°F42°F75°F 202331°F 201336%0%
Oct 2760°F42°F71°F 202327°F 200636%1%
Oct 2860°F42°F82°F 202328°F 200136%1%
Oct 2960°F42°F72°F 201527°F 200136%1%
Oct 3059°F41°F75°F 201631°F 200136%1%
Oct 3159°F41°F78°F 202427°F 200136%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mastic, 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 6:48 AM, sunset 6:33 PM
October 31
sunrise 7:21 AM, sunset 5:49 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00054790 (Shirley Brookhaven AP), public domain. Records: NOAA GHCN-Daily, station USW00054790, 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.