Brockville Weather in October
Average highs run from 18°C on October 1 to 10°C on October 31, and lows from 8°C to 2°C. Normal precipitation for the month is 96 mm over about 16 wet days.
October day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 14°C
- Average low
- 5°C
- Precipitation
- 96 mm
- Record high
- 30°COct 4, 2023
- Record low
- -4°COct 31, 2002
- Daylight
- 11 h 42 min to 10 h 14 min
- Cloud cover
- 70%
- Humidity
- 78%
- Dew point
- 5°C
- Wind
- 8.3 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 18°C | 8°C | 28°C 2023 | 4°C 1997 | 51% |
| Oct 2 | 18°C | 8°C | 27°C 2023 | 2°C 1997 | 51% |
| Oct 3 | 18°C | 8°C | 27°C 2023 | 0°C 1996 | 50% |
| Oct 4 | 18°C | 7°C | 30°C 2023 | -1°C 1996 | 49% |
| Oct 5 | 17°C | 7°C | 28°C 2007 | 0°C 1996 | 47% |
| Oct 6 | 17°C | 7°C | 27°C 2025 | 1°C 2003 | 47% |
| Oct 7 | 17°C | 7°C | 26°C 2021 | -2°C 1999 | 46% |
| Oct 8 | 17°C | 7°C | 25°C 2004 | -1°C 2001 | 46% |
| Oct 9 | 16°C | 6°C | 26°C 1997 | 2°C 2001 | 48% |
| Oct 10 | 16°C | 6°C | 25°C 2003 | 0°C 1996 | 48% |
| Oct 11 | 16°C | 6°C | 25°C 2021 | -2°C 1996 | 48% |
| Oct 12 | 16°C | 6°C | 26°C 2021 | 0°C 2009 | 48% |
| Oct 13 | 15°C | 6°C | 24°C 2001 | 1°C 2006 | 49% |
| Oct 14 | 15°C | 5°C | 25°C 2021 | -2°C 2009 | 50% |
| Oct 15 | 15°C | 5°C | 22°C 2020 | -3°C 1996 | 50% |
| Oct 16 | 14°C | 5°C | 22°C 1999 | -1°C 2009 | 50% |
| Oct 17 | 14°C | 5°C | 17°C 1998 | 0°C 2009 | 50% |
| Oct 18 | 14°C | 5°C | 25°C 1998 | 0°C 2009 | 52% |
| Oct 19 | 14°C | 4°C | 26°C 2007 | -1°C 2009 | 52% |
| Oct 20 | 13°C | 4°C | 22°C 1995 | 0°C 2006 | 54% |
| Oct 21 | 13°C | 4°C | 23°C 2007 | 0°C 1997 | 54% |
| Oct 22 | 12°C | 4°C | 22°C 2022 | -1°C 2010 | 54% |
| Oct 23 | 12°C | 3°C | 25°C 2020 | -2°C 1997 | 52% |
| Oct 24 | 12°C | 3°C | 23°C 2022 | -3°C 2002 | 50% |
| Oct 25 | 12°C | 3°C | 21°C 2022 | -3°C 2002 | 50% |
| Oct 26 | 11°C | 3°C | 24°C 2022 | -2°C 1997 | 50% |
| Oct 27 | 11°C | 3°C | 22°C 2023 | 0°C 2006 | 50% |
| Oct 28 | 11°C | 2°C | 19°C 2023 | -2°C 2001 | 49% |
| Oct 29 | 11°C | 2°C | 20°C 2019 | -2°C 2000 | 48% |
| Oct 30 | 11°C | 2°C | 22°C 1999 | -3°C 2008 | 48% |
| Oct 31 | 10°C | 2°C | 21°C 2003 | -4°C 2002 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- October 1
- sunrise 7:01 AM, sunset 6:43 PM
- October 31
- sunrise 7:39 AM, sunset 5:53 PM
Other months
Sources
Records: NOAA GHCN-Daily, station CA006103024, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.