Windsor climate

Windsor Weather in October

NOAA 1991-2020 normals for Santa Rosa Sonoma CO AP, 4.8 km from Windsor

Average highs run from 81°F on October 1 to 72°F on October 31, and lows from 48°F to 43°F. Normal precipitation for the month is 1.65 in over about 4 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 Windsor, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
77°F
Average low
46°F
Precipitation
1.65 in
Record high
106°FOct 1, 2024
Record low
27°FOct 30, 2019
Chance of a freeze
9%
Days of 90°F or more
3.1
Daylight
11 h 47 min to 10 h 35 min
Cloud cover
35%
Humidity
65%
Dew point
46°F
Wind
7.2 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 181°F48°F106°F 202437°F 20199%0%
Oct 281°F48°F104°F 202438°F 201910%0%
Oct 381°F48°F105°F 202038°F 201910%0%
Oct 480°F47°F97°F 201439°F 201710%0%
Oct 580°F47°F103°F 202438°F 200710%0%
Oct 680°F47°F105°F 202438°F 200711%0%
Oct 780°F47°F101°F 202437°F 200711%0%
Oct 880°F47°F95°F 201439°F 200711%0%
Oct 979°F47°F92°F 199940°F 201912%0%
Oct 1079°F47°F92°F 199940°F 200112%0%
Oct 1179°F46°F98°F 201034°F 201912%0%
Oct 1279°F46°F98°F 201438°F 200813%0%
Oct 1378°F46°F99°F 200435°F 201913%0%
Oct 1478°F46°F96°F 201038°F 201314%0%
Oct 1578°F46°F98°F 202036°F 200314%0%
Oct 1677°F46°F101°F 202036°F 201314%0%
Oct 1777°F45°F98°F 202037°F 202115%0%
Oct 1877°F45°F93°F 202335°F 199915%0%
Oct 1977°F45°F96°F 202337°F 201316%0%
Oct 2076°F45°F91°F 200337°F 201316%0%
Oct 2176°F45°F89°F 201937°F 201717%0%
Oct 2276°F45°F91°F 201938°F 200817%0%
Oct 2375°F44°F92°F 201939°F 199818%0%
Oct 2475°F44°F94°F 201937°F 199918%0%
Oct 2575°F44°F96°F 200337°F 201319%0%
Oct 2674°F44°F96°F 200335°F 201320%0%
Oct 2774°F44°F97°F 200332°F 202320%0%
Oct 2873°F43°F94°F 200333°F 202321%0%
Oct 2973°F43°F85°F 201430°F 201921%0%
Oct 3073°F43°F87°F 201527°F 201922%0%
Oct 3172°F43°F85°F 201530°F 200222%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Windsor, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

October 1
sunrise 7:07 AM, sunset 6:54 PM
October 31
sunrise 7:37 AM, sunset 6:12 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023213 (Santa Rosa Sonoma CO AP), public domain. Records: NOAA GHCN-Daily, station USW00023213, 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.