Twin Falls weather in October: Twin Falls, Idaho: normal highs, lows, rain and records for October
Twin Falls in October has a normal high of 62°F and a normal low of 36°F, a daily mean of 49°F, falling from 69°F on the 1st to 55°F by the 31st. Measurable precipitation falls on 5 days in a normal October, 0.77 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 2°C, 20 mm of precipitation in October.
- NOAA stationTwin Falls Sun Valley Regional Airport
- Station IDUSW00094178
- Location42.48°N 114.49°W
- Elevation4,151 ft (1,265 m)
- Population55,589
- Jan 37° 21°
- Feb 42° 24°
- Mar 52° 30°
- Apr 59° 34°
- May 69° 42°
- Jun 78° 49°
- Jul 88° 58°
- Aug 87° 56°
- Sep 76° 47°
- Oct 62° 36°
- Nov 47° 26°
- Dec 37° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Twin Falls in October?
The normal high is 62°F and the normal low 36°F, for a daily mean of 49.3°F. October is 12.5°F cooler than September and 12.7°F warmer than November. October is the 6th warmest month of the year in Twin Falls and the 8th wettest. Across the month the normal high falls 14°F, from 69°F on October 1 to 55°F on October 31. From one year to the next October's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 46°F and 52°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 20%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 69°F | 42°F | 16% | 7% |
| October 8 | 66°F | 39°F | 16% | 7% |
| October 15 | 63°F | 37°F | 17% | 8% |
| October 22 | 60°F | 34°F | 18% | 8% |
| October 31 | 55°F | 31°F | 20% | 8% |
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 | 69°F | 42°F | 16% | 7% | 11 h 50 min |
| October 2 | 69°F | 42°F | 16% | 7% | 11 h 50 min |
| October 3 | 68°F | 41°F | 16% | 7% | 11 h 40 min |
| October 4 | 68°F | 41°F | 16% | 7% | 11 h 40 min |
| October 5 | 68°F | 41°F | 16% | 7% | 11 h 40 min |
| October 6 | 67°F | 40°F | 16% | 7% | 11 h 30 min |
| October 7 | 67°F | 40°F | 16% | 7% | 11 h 30 min |
| October 8 | 66°F | 39°F | 16% | 7% | 11 h 30 min |
| October 9 | 66°F | 39°F | 16% | 7% | 11 h 30 min |
| October 10 | 65°F | 39°F | 16% | 7% | 11 h 20 min |
| October 11 | 65°F | 38°F | 16% | 7% | 11 h 20 min |
| October 12 | 64°F | 38°F | 17% | 7% | 11 h 20 min |
| October 13 | 64°F | 38°F | 17% | 7% | 11 h 10 min |
| October 14 | 63°F | 37°F | 17% | 8% | 11 h 10 min |
| October 15 | 63°F | 37°F | 17% | 8% | 11 h 10 min |
| October 16 | 62°F | 36°F | 17% | 8% | 11 h 10 min |
| October 17 | 62°F | 36°F | 17% | 8% | 11 h |
| October 18 | 61°F | 36°F | 17% | 8% | 11 h |
| October 19 | 61°F | 35°F | 18% | 8% | 11 h |
| October 20 | 60°F | 35°F | 18% | 8% | 10 h 50 min |
| October 21 | 60°F | 35°F | 18% | 8% | 10 h 50 min |
| October 22 | 60°F | 34°F | 18% | 8% | 10 h 50 min |
| October 23 | 59°F | 34°F | 18% | 8% | 10 h 50 min |
| October 24 | 59°F | 33°F | 18% | 8% | 10 h 40 min |
| October 25 | 58°F | 33°F | 19% | 8% | 10 h 40 min |
| October 26 | 58°F | 33°F | 19% | 8% | 10 h 40 min |
| October 27 | 57°F | 32°F | 19% | 8% | 10 h 40 min |
| October 28 | 57°F | 32°F | 19% | 8% | 10 h 30 min |
| October 29 | 56°F | 32°F | 19% | 8% | 10 h 30 min |
| October 30 | 56°F | 31°F | 19% | 8% | 10 h 30 min |
| October 31 | 55°F | 31°F | 20% | 8% | 10 h 30 min |
- Normal high
- 62°FOctober average
- Normal low
- 36°FOctober average
- Precipitation
- 0.77 inmonth total
- Days with precipitation
- 50.01 inch or more
- Nights at 32°F or colder
- 8
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 9
- Days at 80°F or more
- 2
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094178; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Twin Falls in October?
On a given October day the chance of 0.01 inch or more is 17% on average, highest around October 31 (20%). In all, 0.77 in falls on 5 days of a normal October.
In a normal October in Twin Falls, 8 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094178.
What are the records for October in Twin Falls?
The warmest October temperature on this station's record (since 1997) is 92°F, on October 10, 2015; the coldest is 4°F, on October 31, 2002. The wettest October brought 2.78 in (2016).
The October mean against the 1991-2020 normal of 49.3°F: 2021 50.9°F (+1.6), 2022 53.6°F (+4.3), 2023 51.3°F (+2.0), 2024 54.0°F (+4.7), 2025 48.5°F (−0.8). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.9°F | +1.6°F | 2.22 in |
| 2022 | 53.6°F | +4.3°F | 0.57 in |
| 2023 | 51.3°F | +2.0°F | 0.89 in |
| 2024 | 54.0°F | +4.7°F | 0.33 in |
| 2025 | 48.5°F | −0.8°F | 1.12 in |
Source: records: ACIS, station USW00094178; recent months: ACIS, station USW00094178. Records and recent months use complete months only.
How does October in Twin Falls compare across Idaho?
Across the 85 places PlainClimate covers in Idaho, October normal highs run from 44°F in Mullan to 71°F in Glenns Ferry; Twin Falls's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.