Brookhaven climate

Brookhaven Weather in October

NOAA 1991-2020 normals for Morgantown Hart Fld, 3.6 km from Brookhaven

Average highs run from 72°F on October 1 to 60°F on October 31, and lows from 50°F to 40°F. Normal precipitation for the month is 3.09 in over about 11 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 Brookhaven, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
66°F
Average low
45°F
Precipitation
3.09 in
Snowfall
0.2 in
Record high
98°FOct 2, 1891
Record low
17°FOct 24, 1969
Chance of a freeze
77%
Daylight
11 h 46 min to 10 h 32 min
Cloud cover
61%
Humidity
73%
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 172°F50°F91°F 189126°F 194736%0%
Oct 271°F50°F98°F 189129°F 194736%0%
Oct 371°F49°F95°F 189128°F 200336%0%
Oct 470°F49°F92°F 189126°F 197436%0%
Oct 570°F49°F89°F 195931°F 196837%0%
Oct 670°F48°F88°F 195929°F 196437%0%
Oct 769°F48°F87°F 200727°F 196437%0%
Oct 869°F47°F88°F 200727°F 195337%0%
Oct 969°F47°F85°F 194929°F 189237%0%
Oct 1068°F47°F89°F 194928°F 196437%0%
Oct 1168°F46°F85°F 194925°F 196437%0%
Oct 1267°F46°F83°F 195426°F 196437%0%
Oct 1367°F46°F83°F 196925°F 198837%0%
Oct 1467°F45°F85°F 195425°F 198838%0%
Oct 1566°F45°F85°F 196226°F 196938%0%
Oct 1666°F45°F82°F 187932°F 199138%0%
Oct 1766°F44°F84°F 196827°F 198238%0%
Oct 1865°F44°F83°F 196328°F 194838%0%
Oct 1965°F44°F82°F 195323°F 197238%0%
Oct 2064°F43°F86°F 201618°F 197238%0%
Oct 2164°F43°F83°F 197919°F 195238%0%
Oct 2264°F43°F84°F 197927°F 195238%0%
Oct 2363°F42°F81°F 194723°F 196938%0%
Oct 2463°F42°F83°F 196317°F 196938%0%
Oct 2563°F42°F85°F 201226°F 196238%0%
Oct 2662°F41°F83°F 201025°F 196238%0%
Oct 2762°F41°F81°F 198423°F 196238%0%
Oct 2861°F41°F79°F 201426°F 197638%0%
Oct 2961°F41°F78°F 197119°F 196538%0%
Oct 3061°F40°F78°F 200924°F 196638%0%
Oct 3160°F40°F82°F 202421°F 197538%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brookhaven, 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 7:16 AM, sunset 7:02 PM
October 31
sunrise 7:47 AM, sunset 6:19 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013736 (Morgantown Hart Fld), public domain. Records: NOAA GHCN-Daily, station USW00013736, 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.