Union climate

Union Weather in October

NOAA 1991-2020 normals for Southbridge 3 Sw, 10.3 km from Union

Average highs run from 65°F on October 1 to 54°F on October 31, and lows from 45°F to 35°F. Normal precipitation for the month is 4.97 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 Union, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
59°F
Average low
39°F
Precipitation
4.97 in
Snowfall
0.2 in
Record high
85°FOct 5, 2025
Record low
20°FOct 23, 1997
Chance of a freeze
96%
Daylight
11 h 44 min to 10 h 24 min
Cloud cover
60%
Humidity
78%
Dew point
44°F
Wind
4.7 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 165°F45°F78°F 201337°F 199737%0%
Oct 264°F44°F84°F 200230°F 199737%0%
Oct 364°F44°F80°F 202333°F 200337%0%
Oct 464°F43°F84°F 202335°F 200337%0%
Oct 563°F43°F85°F 202528°F 199637%0%
Oct 663°F43°F85°F 200730°F 199637%0%
Oct 762°F42°F80°F 201829°F 199937%0%
Oct 862°F42°F83°F 200728°F 199937%0%
Oct 961°F42°F84°F 201128°F 200137%0%
Oct 1061°F41°F84°F 201130°F 202537%0%
Oct 1161°F41°F76°F 200132°F 199637%0%
Oct 1260°F41°F78°F 200128°F 199637%0%
Oct 1360°F40°F74°F 200027°F 201237%0%
Oct 1459°F40°F81°F 200030°F 200637%0%
Oct 1559°F40°F77°F 200028°F 200237%0%
Oct 1659°F39°F74°F 202130°F 200637%0%
Oct 1758°F39°F80°F 201628°F 202437%0%
Oct 1858°F39°F82°F 201625°F 201537%0%
Oct 1958°F38°F82°F 201621°F 201537%0%
Oct 2058°F38°F75°F 201226°F 200837%0%
Oct 2157°F38°F81°F 202429°F 200837%0%
Oct 2257°F38°F82°F 202425°F 201837%0%
Oct 2357°F37°F76°F 200720°F 199737%0%
Oct 2456°F37°F79°F 200123°F 200237%0%
Oct 2556°F37°F79°F 200123°F 200337%0%
Oct 2656°F36°F80°F 202324°F 201337%1%
Oct 2756°F36°F77°F 202325°F 200637%1%
Oct 2855°F36°F80°F 202326°F 201337%1%
Oct 2955°F36°F75°F 201522°F 200237%1%
Oct 3055°F35°F73°F 202426°F 202037%1%
Oct 3154°F35°F78°F 202420°F 202037%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Union, 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 6:46 AM, sunset 6:30 PM
October 31
sunrise 7:20 AM, sunset 5:44 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00197627 (Southbridge 3 Sw), public domain. Records: NOAA GHCN-Daily, station USW00054767, 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.