Westerville weather in October: Westerville, Ohio: normal highs, lows, rain and records for October
Westerville in October has a normal high of 67°F and a normal low of 45°F, a daily mean of 56°F, falling from 74°F on the 1st to 61°F by the 31st. Measurable precipitation falls on 11 days in a normal October, 2.95 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 7°C, 75 mm of precipitation in October.
- NOAA stationWesterville
- Station IDUSC00338951
- Location40.13°N 82.94°W
- Elevation802 ft (244 m)
- From the center2 miles
- Population38,612
- Jan 38° 22°
- Feb 42° 24°
- Mar 53° 32°
- Apr 66° 42°
- May 76° 52°
- Jun 83° 61°
- Jul 86° 65°
- Aug 85° 63°
- Sep 79° 56°
- Oct 67° 45°
- Nov 53° 35°
- Dec 42° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Westerville in October?
The normal high is 67°F and the normal low 45°F, for a daily mean of 56.0°F. October is 11.6°F cooler than September and 11.8°F warmer than November. October is the 6th warmest month of the year in Westerville and the 9th wettest. Across the month the normal high falls 13°F, from 74°F on October 1 to 61°F on October 31. From one year to the next October's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 54°F and 58°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 74°F | 50°F | 32% | 20% |
| October 8 | 71°F | 48°F | 33% | 21% |
| October 15 | 68°F | 45°F | 34% | 21% |
| October 22 | 65°F | 43°F | 36% | 22% |
| October 31 | 61°F | 40°F | 37% | 22% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 74°F | 50°F | 32% | 20% | 11 h 50 min |
| October 2 | 73°F | 50°F | 32% | 20% | 11 h 50 min |
| October 3 | 73°F | 49°F | 32% | 20% | 11 h 40 min |
| October 4 | 73°F | 49°F | 32% | 20% | 11 h 40 min |
| October 5 | 72°F | 49°F | 32% | 20% | 11 h 40 min |
| October 6 | 72°F | 48°F | 32% | 20% | 11 h 40 min |
| October 7 | 71°F | 48°F | 32% | 21% | 11 h 30 min |
| October 8 | 71°F | 48°F | 33% | 21% | 11 h 30 min |
| October 9 | 70°F | 47°F | 33% | 21% | 11 h 30 min |
| October 10 | 70°F | 47°F | 33% | 21% | 11 h 30 min |
| October 11 | 70°F | 46°F | 33% | 21% | 11 h 20 min |
| October 12 | 69°F | 46°F | 33% | 21% | 11 h 20 min |
| October 13 | 69°F | 46°F | 34% | 21% | 11 h 20 min |
| October 14 | 68°F | 45°F | 34% | 21% | 11 h 20 min |
| October 15 | 68°F | 45°F | 34% | 21% | 11 h 10 min |
| October 16 | 67°F | 45°F | 34% | 21% | 11 h 10 min |
| October 17 | 67°F | 44°F | 35% | 21% | 11 h 10 min |
| October 18 | 67°F | 44°F | 35% | 21% | 11 h 10 min |
| October 19 | 66°F | 44°F | 35% | 21% | 11 h |
| October 20 | 66°F | 43°F | 35% | 21% | 11 h |
| October 21 | 65°F | 43°F | 35% | 21% | 11 h |
| October 22 | 65°F | 43°F | 36% | 22% | 11 h |
| October 23 | 64°F | 42°F | 36% | 22% | 10 h 50 min |
| October 24 | 64°F | 42°F | 36% | 22% | 10 h 50 min |
| October 25 | 63°F | 42°F | 36% | 22% | 10 h 50 min |
| October 26 | 63°F | 41°F | 36% | 22% | 10 h 50 min |
| October 27 | 62°F | 41°F | 36% | 22% | 10 h 40 min |
| October 28 | 62°F | 41°F | 36% | 22% | 10 h 40 min |
| October 29 | 62°F | 40°F | 37% | 22% | 10 h 40 min |
| October 30 | 61°F | 40°F | 37% | 22% | 10 h 40 min |
| October 31 | 61°F | 40°F | 37% | 22% | 10 h 30 min |
- Normal high
- 67°FOctober average
- Normal low
- 45°FOctober average
- Precipitation
- 2.95 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 13
- Days at 80°F or more
- 3
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00338951; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Westerville in October?
On a given October day the chance of 0.01 inch or more is 34% on average, highest around October 31 (37%). In all, 2.95 in falls on 11 days of a normal October, 1 of them with an inch or more.
In a normal October in Westerville, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00338951.
What are the records for October in Westerville?
The warmest October temperature on this station's record (since 1897) is 93°F, on October 3, 2019; the coldest is 16°F, on October 21, 1952. The wettest October brought 6.14 in (2006); the snowiest, 1.2 inches (1962).
The October mean against the 1991-2020 normal of 56.0°F: 2021 61.9°F (+5.9), 2022 53.7°F (−2.3), 2023 56.8°F (+0.8), 2024 57.3°F (+1.3), 2025 56.5°F (+0.5). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.9°F | +5.9°F | 4.08 in |
| 2022 | 53.7°F | −2.3°F | 1.09 in |
| 2023 | 56.8°F | +0.8°F | 2.98 in |
| 2024 | 57.3°F | +1.3°F | 0.67 in |
| 2025 | 56.5°F | +0.5°F | 4.26 in |
Source: records: ACIS, station USC00338951; recent months: ACIS, station USC00338951. Records and recent months use complete months only.
How does October in Westerville compare across Ohio?
Across the 99 places PlainClimate covers in Ohio, October normal highs run from 61°F in Chardon to 69°F in Chilo; Westerville's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.