Petersburg Weather in October
Average highs run from 52°F on October 1 to 43°F on October 31, and lows from 43°F to 35°F. Normal precipitation for the month is 13.84 in over about 23 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
- 47°F
- Average low
- 39°F
- Precipitation
- 13.84 in
- Snowfall
- 0.4 in
- Record high
- 72°FOct 19, 1938
- Record low
- 12°FOct 27, 1971
- Chance of a freeze
- 88%
- Daylight
- 11 h 30 min to 9 h 10 min
- Cloud cover
- 74%
- Humidity
- 91%
- Dew point
- 36°F
- Wind
- 7.6 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 | 52°F | 43°F | 69°F 1987 | 30°F 2000 | 70% | 0% |
| Oct 2 | 52°F | 43°F | 67°F 1987 | 26°F 2000 | 70% | 0% |
| Oct 3 | 52°F | 43°F | 63°F 1988 | 24°F 1937 | 71% | 0% |
| Oct 4 | 51°F | 42°F | 64°F 1941 | 26°F 1954 | 71% | 0% |
| Oct 5 | 51°F | 42°F | 67°F 1953 | 25°F 1957 | 71% | 0% |
| Oct 6 | 51°F | 42°F | 66°F 1953 | 24°F 1957 | 72% | 0% |
| Oct 7 | 50°F | 42°F | 63°F 1951 | 25°F 1959 | 72% | 0% |
| Oct 8 | 50°F | 41°F | 60°F 2015 | 25°F 1958 | 72% | 0% |
| Oct 9 | 50°F | 41°F | 61°F 2015 | 27°F 1959 | 73% | 1% |
| Oct 10 | 49°F | 41°F | 63°F 1944 | 21°F 1972 | 73% | 1% |
| Oct 11 | 49°F | 41°F | 61°F 1944 | 22°F 1972 | 73% | 1% |
| Oct 12 | 49°F | 40°F | 63°F 2000 | 26°F 1926 | 74% | 1% |
| Oct 13 | 48°F | 40°F | 59°F 2004 | 27°F 2009 | 74% | 1% |
| Oct 14 | 48°F | 40°F | 58°F 1941 | 20°F 1992 | 74% | 1% |
| Oct 15 | 48°F | 40°F | 64°F 2022 | 19°F 1992 | 74% | 1% |
| Oct 16 | 47°F | 39°F | 69°F 2022 | 19°F 1992 | 75% | 1% |
| Oct 17 | 47°F | 39°F | 64°F 2022 | 18°F 1992 | 75% | 2% |
| Oct 18 | 47°F | 39°F | 70°F 1938 | 25°F 1951 | 75% | 2% |
| Oct 19 | 46°F | 38°F | 72°F 1938 | 26°F 1950 | 75% | 2% |
| Oct 20 | 46°F | 38°F | 65°F 1938 | 27°F 1961 | 76% | 2% |
| Oct 21 | 46°F | 38°F | 63°F 1938 | 25°F 1966 | 76% | 3% |
| Oct 22 | 45°F | 38°F | 66°F 1937 | 26°F 1955 | 76% | 3% |
| Oct 23 | 45°F | 37°F | 67°F 1937 | 23°F 1956 | 76% | 3% |
| Oct 24 | 45°F | 37°F | 57°F 1937 | 21°F 1951 | 76% | 4% |
| Oct 25 | 44°F | 37°F | 63°F 1974 | 21°F 1939 | 76% | 4% |
| Oct 26 | 44°F | 37°F | 61°F 1974 | 21°F 1991 | 76% | 5% |
| Oct 27 | 44°F | 36°F | 57°F 1965 | 12°F 1971 | 76% | 5% |
| Oct 28 | 44°F | 36°F | 58°F 1944 | 18°F 1984 | 76% | 5% |
| Oct 29 | 43°F | 36°F | 55°F 1944 | 15°F 2012 | 76% | 6% |
| Oct 30 | 43°F | 36°F | 65°F 1970 | 14°F 1984 | 77% | 6% |
| Oct 31 | 43°F | 35°F | 65°F 1970 | 13°F 1984 | 77% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKDT).
- October 1
- sunrise 6:56 AM, sunset 6:26 PM
- October 31
- sunrise 8:00 AM, sunset 5:10 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00025329 (Petersburg 1), public domain. Records: NOAA GHCN-Daily, station USW00025329, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.