Livermore weather in October: Livermore, California: normal highs, lows, rain and records for October
Livermore in October has a normal high of 78°F and a normal low of 49°F, a daily mean of 64°F, falling from 82°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 3 days in a normal October, 0.75 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 10°C, 19 mm of precipitation in October.
- NOAA stationLivermore Municipal Airport
- Station IDUSW00023285
- Location37.69°N 121.81°W
- Elevation393 ft (120 m)
- Population84,867
- Jan 57° 38°
- Feb 61° 40°
- Mar 65° 42°
- Apr 69° 45°
- May 75° 49°
- Jun 83° 54°
- Jul 88° 57°
- Aug 88° 57°
- Sep 85° 55°
- Oct 78° 49°
- Nov 66° 42°
- Dec 58° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Livermore in October?
The normal high is 78°F and the normal low 49°F, for a daily mean of 63.5°F. October is 6.7°F cooler than September and 9.7°F warmer than November. October is the 5th warmest month of the year in Livermore and the 7th wettest. Across the month the normal high falls 10°F, from 82°F on October 1 to 72°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 61°F and 66°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 17%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 82°F | 53°F | 6% | 3% |
| October 8 | 81°F | 51°F | 8% | 4% |
| October 15 | 79°F | 50°F | 10% | 5% |
| October 22 | 76°F | 48°F | 13% | 6% |
| October 31 | 72°F | 46°F | 17% | 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 | 82°F | 53°F | 6% | 3% | 11 h 50 min |
| October 2 | 82°F | 53°F | 6% | 3% | 11 h 50 min |
| October 3 | 82°F | 52°F | 6% | 3% | 11 h 50 min |
| October 4 | 82°F | 52°F | 6% | 3% | 11 h 40 min |
| October 5 | 81°F | 52°F | 7% | 3% | 11 h 40 min |
| October 6 | 81°F | 52°F | 7% | 3% | 11 h 40 min |
| October 7 | 81°F | 51°F | 7% | 4% | 11 h 40 min |
| October 8 | 81°F | 51°F | 8% | 4% | 11 h 30 min |
| October 9 | 80°F | 51°F | 8% | 4% | 11 h 30 min |
| October 10 | 80°F | 51°F | 8% | 4% | 11 h 30 min |
| October 11 | 80°F | 51°F | 8% | 4% | 11 h 30 min |
| October 12 | 79°F | 50°F | 9% | 4% | 11 h 20 min |
| October 13 | 79°F | 50°F | 9% | 5% | 11 h 20 min |
| October 14 | 79°F | 50°F | 10% | 5% | 11 h 20 min |
| October 15 | 79°F | 50°F | 10% | 5% | 11 h 20 min |
| October 16 | 78°F | 49°F | 10% | 5% | 11 h 10 min |
| October 17 | 78°F | 49°F | 11% | 5% | 11 h 10 min |
| October 18 | 78°F | 49°F | 11% | 6% | 11 h 10 min |
| October 19 | 77°F | 49°F | 12% | 6% | 11 h 10 min |
| October 20 | 77°F | 48°F | 12% | 6% | 11 h 10 min |
| October 21 | 76°F | 48°F | 12% | 6% | 11 h |
| October 22 | 76°F | 48°F | 13% | 6% | 11 h |
| October 23 | 76°F | 48°F | 13% | 7% | 11 h |
| October 24 | 75°F | 47°F | 14% | 7% | 11 h |
| October 25 | 75°F | 47°F | 14% | 7% | 10 h 50 min |
| October 26 | 75°F | 47°F | 15% | 7% | 10 h 50 min |
| October 27 | 74°F | 47°F | 15% | 8% | 10 h 50 min |
| October 28 | 74°F | 46°F | 16% | 8% | 10 h 50 min |
| October 29 | 73°F | 46°F | 16% | 8% | 10 h 50 min |
| October 30 | 73°F | 46°F | 17% | 8% | 10 h 40 min |
| October 31 | 72°F | 46°F | 17% | 8% | 10 h 40 min |
- Normal high
- 78°FOctober average
- Normal low
- 49°FOctober average
- Precipitation
- 0.75 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 11 h 50 min to 10 h 40 minOctober 1 to October 31
- Days at 70°F or more
- 25
- Days at 80°F or more
- 13
- Sunshine
- 91%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023285; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Livermore in October?
On a given October day the chance of 0.01 inch or more is 11% on average, highest around October 31 (17%). In all, 0.75 in falls on 3 days of a normal October.
In a normal October in Livermore, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023285.
What are the records for October in Livermore?
The warmest October temperature on this station's record (since 1998) is 108°F, on October 2, 2024; the coldest is 34°F, on October 31, 2002. The wettest October brought 5.22 in (2021).
The October mean against the 1991-2020 normal of 63.5°F: 2021 62.5°F (−1.0), 2022 65.6°F (+2.1), 2023 65.1°F (+1.6), 2024 68.6°F (+5.1), 2025 63.3°F (−0.2). 3 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.5°F | −1.0°F | 5.22 in |
| 2022 | 65.6°F | +2.1°F | 0.00 in |
| 2023 | 65.1°F | +1.6°F | 0.07 in |
| 2024 | 68.6°F | +5.1°F | 0.01 in |
| 2025 | 63.3°F | −0.2°F | 1.89 in |
Source: records: ACIS, station USW00023285; recent months: ACIS, station USW00023285. Records and recent months use complete months only.
How does October in Livermore compare across California?
Across the 219 places PlainClimate covers in California, October normal highs run from 58°F in Tahoma to 93°F in Brawley; Livermore's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Livermore in September85°F by day, 55°F at night
- Livermore in November66°F by day, 42°F at night
- Livermore through the yearEvery month, frost dates, records and recent years
- California in OctoberThe statewide normal and the warmest and coolest places
- Brawley: California's warmest Octobernormal high 93°F