Grass Lake Weather in October
Average highs run from 68°F on October 1 to 54°F on October 31, and lows from 45°F to 36°F. Normal precipitation for the month is 3.14 in over about 11 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
- 61°F
- Average low
- 40°F
- Precipitation
- 3.14 in
- Record high
- 90°FOct 4, 1951
- Record low
- 16°FOct 27, 1976
- Chance of a freeze
- 95%
- Daylight
- 11 h 44 min to 10 h 22 min
- Cloud cover
- 64%
- Humidity
- 77%
- Dew point
- 42°F
- Wind
- 11.0 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 | 68°F | 45°F | 86°F 1971 | 30°F 2009 | 33% | 0% |
| Oct 2 | 68°F | 45°F | 87°F 1971 | 26°F 1974 | 33% | 0% |
| Oct 3 | 67°F | 44°F | 89°F 1953 | 26°F 1974 | 34% | 0% |
| Oct 4 | 67°F | 44°F | 90°F 1951 | 28°F 1965 | 34% | 0% |
| Oct 5 | 66°F | 44°F | 85°F 2025 | 24°F 1965 | 34% | 0% |
| Oct 6 | 66°F | 43°F | 87°F 1963 | 27°F 1952 | 34% | 0% |
| Oct 7 | 65°F | 43°F | 87°F 2007 | 22°F 1964 | 34% | 0% |
| Oct 8 | 65°F | 43°F | 86°F 2007 | 27°F 1953 | 34% | 0% |
| Oct 9 | 64°F | 42°F | 84°F 1949 | 23°F 1989 | 34% | 0% |
| Oct 10 | 64°F | 42°F | 83°F 1949 | 25°F 1956 | 35% | 0% |
| Oct 11 | 63°F | 42°F | 84°F 1962 | 23°F 1964 | 35% | 0% |
| Oct 12 | 63°F | 41°F | 81°F 1995 | 26°F 1957 | 35% | 0% |
| Oct 13 | 62°F | 41°F | 84°F 1975 | 25°F 1987 | 35% | 0% |
| Oct 14 | 62°F | 41°F | 87°F 1975 | 25°F 1957 | 35% | 0% |
| Oct 15 | 61°F | 40°F | 82°F 1956 | 27°F 2006 | 35% | 0% |
| Oct 16 | 61°F | 40°F | 85°F 1963 | 25°F 1977 | 35% | 0% |
| Oct 17 | 61°F | 40°F | 84°F 1950 | 21°F 1977 | 35% | 0% |
| Oct 18 | 60°F | 40°F | 82°F 1950 | 18°F 1976 | 35% | 0% |
| Oct 19 | 60°F | 39°F | 83°F 1953 | 19°F 1972 | 35% | 0% |
| Oct 20 | 59°F | 39°F | 84°F 1953 | 20°F 1952 | 35% | 0% |
| Oct 21 | 59°F | 39°F | 83°F 1953 | 19°F 1974 | 35% | 1% |
| Oct 22 | 58°F | 38°F | 82°F 1963 | 25°F 1997 | 35% | 1% |
| Oct 23 | 58°F | 38°F | 82°F 1963 | 21°F 1969 | 35% | 1% |
| Oct 24 | 57°F | 38°F | 81°F 1963 | 22°F 1982 | 35% | 1% |
| Oct 25 | 57°F | 37°F | 80°F 1963 | 22°F 1960 | 35% | 1% |
| Oct 26 | 56°F | 37°F | 80°F 1963 | 23°F 1962 | 34% | 1% |
| Oct 27 | 56°F | 37°F | 75°F 2014 | 16°F 1976 | 34% | 1% |
| Oct 28 | 55°F | 37°F | 77°F 1999 | 20°F 1965 | 34% | 1% |
| Oct 29 | 55°F | 36°F | 78°F 2024 | 16°F 1965 | 34% | 1% |
| Oct 30 | 55°F | 36°F | 77°F 1950 | 18°F 1988 | 34% | 1% |
| Oct 31 | 54°F | 36°F | 78°F 1950 | 20°F 1988 | 34% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- October 1
- sunrise 7:34 AM, sunset 7:18 PM
- October 31
- sunrise 8:09 AM, sunset 6:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00201502 (Chelsea), public domain. Records: NOAA GHCN-Daily, station USW00014833, 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.