Anchorage weather in October: Anchorage, Alaska: normal highs, lows, rain and records for October
Anchorage in October has a normal high of 42°F and a normal low of 31°F, a daily mean of 36°F, falling from 50°F on the 1st to 34°F by the 31st. Measurable precipitation falls on 12 days in a normal October, 1.82 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 6°C and low of −1°C, 46 mm of precipitation and 14 cm of snow in October.
- NOAA stationAnchorage Ted Stevens International Airport
- Station IDUSW00026451
- Location61.17°N 150.03°W
- Elevation120 ft (37 m)
- Population289,600
- Jan 23° 11°
- Feb 27° 15°
- Mar 33° 19°
- Apr 45° 30°
- May 56° 40°
- Jun 63° 48°
- Jul 66° 53°
- Aug 64° 51°
- Sep 56° 43°
- Oct 42° 31°
- Nov 29° 18°
- Dec 25° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Anchorage in October?
The normal high is 42°F and the normal low 31°F, for a daily mean of 36.3°F. October is 13.0°F cooler than September and 12.7°F warmer than November. October is the 7th warmest month of the year in Anchorage and the 3rd wettest. Across the month the normal high falls 16°F, from 50°F on October 1 to 34°F on October 31. From one year to the next October's mean temperature typically moves about 4.5°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 32°F and 41°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 44%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 50°F | 38°F | 44% | 23% |
| October 8 | 46°F | 35°F | 41% | 20% |
| October 15 | 43°F | 31°F | 38% | 18% |
| October 22 | 39°F | 28°F | 35% | 16% |
| October 31 | 34°F | 23°F | 33% | 14% |
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 | 50°F | 38°F | 44% | 23% | 11 h 30 min |
| October 2 | 49°F | 37°F | 44% | 22% | 11 h 30 min |
| October 3 | 49°F | 37°F | 44% | 22% | 11 h 20 min |
| October 4 | 48°F | 37°F | 43% | 22% | 11 h 20 min |
| October 5 | 48°F | 36°F | 43% | 21% | 11 h 10 min |
| October 6 | 47°F | 36°F | 42% | 21% | 11 h |
| October 7 | 47°F | 35°F | 42% | 21% | 11 h |
| October 8 | 46°F | 35°F | 41% | 20% | 10 h 50 min |
| October 9 | 46°F | 34°F | 41% | 20% | 10 h 50 min |
| October 10 | 45°F | 34°F | 40% | 20% | 10 h 40 min |
| October 11 | 45°F | 33°F | 40% | 19% | 10 h 40 min |
| October 12 | 44°F | 33°F | 39% | 19% | 10 h 30 min |
| October 13 | 44°F | 32°F | 39% | 19% | 10 h 20 min |
| October 14 | 43°F | 32°F | 38% | 18% | 10 h 20 min |
| October 15 | 43°F | 31°F | 38% | 18% | 10 h 10 min |
| October 16 | 42°F | 31°F | 37% | 18% | 10 h 10 min |
| October 17 | 42°F | 30°F | 37% | 17% | 10 h |
| October 18 | 41°F | 30°F | 37% | 17% | 10 h |
| October 19 | 40°F | 29°F | 36% | 17% | 9 h 50 min |
| October 20 | 40°F | 29°F | 36% | 16% | 9 h 40 min |
| October 21 | 39°F | 28°F | 36% | 16% | 9 h 40 min |
| October 22 | 39°F | 28°F | 35% | 16% | 9 h 30 min |
| October 23 | 38°F | 27°F | 35% | 16% | 9 h 30 min |
| October 24 | 38°F | 27°F | 35% | 15% | 9 h 20 min |
| October 25 | 37°F | 26°F | 34% | 15% | 9 h 20 min |
| October 26 | 37°F | 26°F | 34% | 15% | 9 h 10 min |
| October 27 | 36°F | 25°F | 34% | 15% | 9 h |
| October 28 | 36°F | 25°F | 34% | 15% | 9 h |
| October 29 | 35°F | 24°F | 34% | 14% | 8 h 50 min |
| October 30 | 35°F | 24°F | 33% | 14% | 8 h 50 min |
| October 31 | 34°F | 23°F | 33% | 14% | 8 h 40 min |
- Normal high
- 42°FOctober average
- Normal low
- 31°FOctober average
- Precipitation
- 1.82 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 5.6 inmonth total
- Nights at 32°F or colder
- 18
- Daylight
- 11 h 30 min to 8 h 40 minOctober 1 to October 31
- Sunshine
- 58%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00026451; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Anchorage in October?
On a given October day the chance of 0.01 inch or more is 38% on average, highest around October 1 (44%). In all, 1.82 in falls on 12 days of a normal October.
In a normal October in Anchorage, 18 nights fall to freezing, 4 days stay below freezing all day and snowfall averages 5.6 inches.
Snow falls on 3 days in a normal October, and an inch or more covers the ground on 5 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026451.
How humid and windy is Anchorage in October?
At 3 p.m. the normal temperature is 33°F with 69% relative humidity and a dew point of 24°F; at 6 a.m. it is 28°F with 78% humidity. The wind averages 6.2 mph, most often from the north-northeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 28°F | 22°F | 78% | 6.2 mph | – |
| 9 a.m. | 28°F | 22°F | 78% | 6.0 mph | 15% |
| noon | 31°F | 23°F | 72% | 6.8 mph | – |
| 3 p.m. | 33°F | 24°F | 69% | 6.9 mph | 15% |
| 6 p.m. | 30°F | 23°F | 75% | 6.0 mph | – |
| 9 p.m. | 29°F | 23°F | 76% | 6.2 mph | 22% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00026451. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in Anchorage?
The warmest October temperature on Anchorage's official record (since 1953) is 64°F, on October 9, 2006; the coldest is −5°F, on October 31, 1956. The wettest October brought 4.11 in (1986); the snowiest, 28.1 inches (1996).
The October mean against the 1991-2020 normal of 36.3°F: 2021 37.9°F (+1.6), 2022 36.7°F (+0.4), 2023 36.1°F (−0.1), 2024 36.9°F (+0.6), 2025 41.1°F (+4.9). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 37.9°F | +1.6°F | 1.54 in |
| 2022 | 36.7°F | +0.4°F | 2.16 in |
| 2023 | 36.1°F | −0.1°F | 2.23 in |
| 2024 | 36.9°F | +0.6°F | 1.82 in |
| 2025 | 41.1°F | +4.9°F | 2.48 in |
Source: records: ACIS, NWS threaded record ANCthr; recent months: ACIS, station USW00026451. Records and recent months use complete months only.
How does October in Anchorage compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, October normal highs run from 24°F in Nuiqsut to 52°F in Klawock; Anchorage's is 42°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.