Saint Clair County Weather in October
Average highs run from 67°F on October 1 to 53°F on October 31, and lows from 47°F to 36°F. Normal precipitation for the month is 2.95 in over about 12 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
- 60°F
- Average low
- 41°F
- Precipitation
- 2.95 in
- Record high
- 90°FOct 5, 1951
- Record low
- 20°FOct 27, 1976
- Chance of a freeze
- 82%
- Daylight
- 11 h 44 min to 10 h 20 min
- Cloud cover
- 67%
- Humidity
- 77%
- Dew point
- 43°F
- Wind
- 11.9 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 | 67°F | 47°F | 86°F 1952 | 33°F 1935 | 37% | 0% |
| Oct 2 | 67°F | 46°F | 86°F 1971 | 33°F 1935 | 37% | 0% |
| Oct 3 | 67°F | 46°F | 85°F 1953 | 32°F 1935 | 37% | 0% |
| Oct 4 | 66°F | 45°F | 86°F 1951 | 29°F 1989 | 37% | 0% |
| Oct 5 | 66°F | 45°F | 90°F 1951 | 31°F 1935 | 37% | 0% |
| Oct 6 | 65°F | 45°F | 90°F 1963 | 26°F 1952 | 37% | 0% |
| Oct 7 | 65°F | 44°F | 89°F 2007 | 27°F 1952 | 37% | 0% |
| Oct 8 | 64°F | 44°F | 90°F 2007 | 25°F 1945 | 37% | 0% |
| Oct 9 | 64°F | 44°F | 86°F 1949 | 28°F 1989 | 38% | 0% |
| Oct 10 | 63°F | 43°F | 83°F 1949 | 30°F 1964 | 38% | 0% |
| Oct 11 | 63°F | 43°F | 81°F 1938 | 26°F 1964 | 38% | |
| Oct 12 | 62°F | 42°F | 82°F 1995 | 27°F 1988 | 38% | |
| Oct 13 | 62°F | 42°F | 81°F 1975 | 28°F 1945 | 38% | |
| Oct 14 | 61°F | 42°F | 82°F 1975 | 25°F 1937 | 38% | |
| Oct 15 | 61°F | 41°F | 82°F 1968 | 28°F 1943 | 38% | |
| Oct 16 | 60°F | 41°F | 83°F 1938 | 25°F 1944 | 39% | |
| Oct 17 | 60°F | 41°F | 83°F 1963 | 24°F 1941 | 39% | |
| Oct 18 | 59°F | 40°F | 84°F 1950 | 24°F 1952 | 38% | |
| Oct 19 | 59°F | 40°F | 86°F 1953 | 24°F 1974 | 38% | |
| Oct 20 | 58°F | 40°F | 77°F 1953 | 24°F 1974 | 38% | |
| Oct 21 | 58°F | 39°F | 81°F 1979 | 24°F 1952 | 38% | |
| Oct 22 | 57°F | 39°F | 79°F 1979 | 25°F 1940 | 38% | |
| Oct 23 | 57°F | 39°F | 81°F 1963 | 26°F 1944 | 38% | |
| Oct 24 | 57°F | 38°F | 80°F 1963 | 22°F 1981 | 38% | |
| Oct 25 | 56°F | 38°F | 79°F 1963 | 23°F 1981 | 38% | |
| Oct 26 | 56°F | 38°F | 81°F 1963 | 25°F 1962 | 38% | |
| Oct 27 | 55°F | 37°F | 80°F 1963 | 20°F 1976 | 38% | |
| Oct 28 | 55°F | 37°F | 74°F 1989 | 22°F 1942 | 37% | |
| Oct 29 | 54°F | 37°F | 74°F 1999 | 22°F 1988 | 37% | |
| Oct 30 | 54°F | 37°F | 76°F 1999 | 21°F 1988 | 37% | |
| Oct 31 | 53°F | 36°F | 76°F 1950 | 20°F 1988 | 37% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- October 1
- sunrise 7:28 AM, sunset 7:12 PM
- October 31
- sunrise 8:04 AM, sunset 6:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00206982 (Richmond 4 Nnw), public domain. Records: NOAA GHCN-Daily, station USC00206680, 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.