Markham Weather in October
Average highs run from 85°F on October 1 to 77°F on October 31, and lows from 65°F to 56°F. Normal precipitation for the month is 4.24 in over about 7 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 81°F
- Average low
- 60°F
- Precipitation
- 4.24 in
- Record high
- 97°FOct 8, 1956
- Record low
- 29°FOct 30, 1993
- Chance of a freeze
- 1%
- Days of 90°F or more
- 2.4
- Daylight
- 11 h 53 min to 11 h 03 min
- Cloud cover
- 41%
- Humidity
- 75%
- Dew point
- 63°F
- Wind
- 8.9 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 85°F | 65°F | 96°F 1998 | 48°F 1984 | 28% | 0% |
| Oct 2 | 85°F | 65°F | 96°F 1998 | 50°F 1972 | 28% | 0% |
| Oct 3 | 85°F | 64°F | 96°F 1952 | 48°F 1961 | 27% | 0% |
| Oct 4 | 85°F | 64°F | 96°F 1998 | 47°F 1961 | 27% | 0% |
| Oct 5 | 84°F | 64°F | 95°F 1956 | 50°F 1961 | 27% | 0% |
| Oct 6 | 84°F | 63°F | 93°F 1972 | 51°F 1943 | 27% | 0% |
| Oct 7 | 84°F | 63°F | 93°F 1956 | 50°F 2000 | 26% | 0% |
| Oct 8 | 84°F | 63°F | 97°F 1956 | 41°F 1952 | 26% | 0% |
| Oct 9 | 83°F | 63°F | 94°F 2025 | 45°F 1990 | 26% | 0% |
| Oct 10 | 83°F | 62°F | 95°F 1962 | 44°F 1990 | 25% | 0% |
| Oct 11 | 83°F | 62°F | 96°F 1912 | 44°F 1990 | 25% | 0% |
| Oct 12 | 83°F | 62°F | 94°F 1991 | 45°F 1946 | 25% | 0% |
| Oct 13 | 82°F | 61°F | 94°F 2015 | 44°F 1944 | 25% | 0% |
| Oct 14 | 82°F | 61°F | 93°F 1954 | 48°F 1969 | 24% | 0% |
| Oct 15 | 82°F | 61°F | 96°F 2024 | 45°F 1914 | 24% | 0% |
| Oct 16 | 82°F | 60°F | 94°F 2024 | 41°F 1974 | 24% | 0% |
| Oct 17 | 81°F | 60°F | 97°F 1951 | 42°F 1943 | 24% | 0% |
| Oct 18 | 81°F | 60°F | 91°F 1962 | 40°F 1974 | 24% | 0% |
| Oct 19 | 81°F | 59°F | 90°F 2004 | 36°F 1989 | 24% | 0% |
| Oct 20 | 80°F | 59°F | 93°F 2025 | 38°F 1976 | 24% | 0% |
| Oct 21 | 80°F | 59°F | 91°F 2023 | 38°F 1976 | 24% | 0% |
| Oct 22 | 80°F | 58°F | 91°F 2025 | 41°F 1976 | 24% | 0% |
| Oct 23 | 80°F | 58°F | 90°F 1950 | 41°F 1945 | 24% | 0% |
| Oct 24 | 79°F | 58°F | 92°F 2014 | 39°F 2005 | 24% | 0% |
| Oct 25 | 79°F | 58°F | 91°F 1950 | 42°F 2005 | 24% | 0% |
| Oct 26 | 79°F | 57°F | 92°F 1950 | 41°F 2007 | 24% | 0% |
| Oct 27 | 78°F | 57°F | 90°F 2024 | 34°F 1957 | 24% | 0% |
| Oct 28 | 78°F | 57°F | 90°F 2024 | 36°F 1957 | 24% | 0% |
| Oct 29 | 78°F | 56°F | 90°F 1950 | 34°F 2017 | 24% | 0% |
| Oct 30 | 77°F | 56°F | 90°F 1950 | 29°F 1993 | 24% | 0% |
| Oct 31 | 77°F | 56°F | 91°F 1950 | 35°F 1993 | 24% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- October 1
- sunrise 7:17 AM, sunset 7:10 PM
- October 31
- sunrise 7:36 AM, sunset 6:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410569 (Bay City Wtr Wks), public domain. Records: NOAA GHCN-Daily, station USC00410569, 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.