Shasta weather in October: Shasta, California: normal highs, lows, rain and records for October
Shasta in October has a normal high of 78°F and a normal low of 55°F, a daily mean of 66°F, falling from 85°F on the 1st to 70°F by the 31st. Measurable precipitation falls on 5 days in a normal October, 3.43 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 13°C, 87 mm of precipitation in October.
- NOAA stationShasta Dam
- Station IDUSC00048135
- Location40.71°N 122.42°W
- Elevation1,075 ft (328 m)
- From the center9 miles
- Population (census place)1,330
- Jan 55° 41°
- Feb 59° 42°
- Mar 63° 44°
- Apr 70° 48°
- May 79° 55°
- Jun 88° 63°
- Jul 97° 69°
- Aug 96° 68°
- Sep 90° 63°
- Oct 78° 55°
- Nov 62° 46°
- Dec 54° 41°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Shasta in October?
The normal high is 78°F and the normal low 55°F, for a daily mean of 66.2°F. October is 10.4°F cooler than September and 12.0°F warmer than November. October is the 6th warmest month of the year in Shasta and the 7th wettest. Across the month the normal high falls 15°F, from 85°F on October 1 to 70°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 63°F and 69°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 24%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 85°F | 59°F | 11% | 6% |
| October 8 | 82°F | 57°F | 13% | 8% |
| October 15 | 78°F | 55°F | 16% | 10% |
| October 22 | 75°F | 53°F | 19% | 12% |
| October 31 | 70°F | 50°F | 24% | 16% |
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 | 85°F | 59°F | 11% | 6% | 11 h 50 min |
| October 2 | 85°F | 59°F | 11% | 6% | 11 h 50 min |
| October 3 | 84°F | 59°F | 11% | 6% | 11 h 40 min |
| October 4 | 84°F | 59°F | 12% | 7% | 11 h 40 min |
| October 5 | 83°F | 58°F | 12% | 7% | 11 h 40 min |
| October 6 | 83°F | 58°F | 12% | 7% | 11 h 40 min |
| October 7 | 82°F | 58°F | 13% | 7% | 11 h 30 min |
| October 8 | 82°F | 57°F | 13% | 8% | 11 h 30 min |
| October 9 | 81°F | 57°F | 13% | 8% | 11 h 30 min |
| October 10 | 81°F | 57°F | 14% | 8% | 11 h 30 min |
| October 11 | 80°F | 56°F | 14% | 8% | 11 h 20 min |
| October 12 | 80°F | 56°F | 14% | 9% | 11 h 20 min |
| October 13 | 79°F | 56°F | 15% | 9% | 11 h 20 min |
| October 14 | 79°F | 55°F | 15% | 9% | 11 h 10 min |
| October 15 | 78°F | 55°F | 16% | 10% | 11 h 10 min |
| October 16 | 78°F | 55°F | 16% | 10% | 11 h 10 min |
| October 17 | 77°F | 55°F | 16% | 10% | 11 h 10 min |
| October 18 | 77°F | 54°F | 17% | 11% | 11 h |
| October 19 | 76°F | 54°F | 17% | 11% | 11 h |
| October 20 | 76°F | 54°F | 18% | 12% | 11 h |
| October 21 | 75°F | 53°F | 18% | 12% | 11 h |
| October 22 | 75°F | 53°F | 19% | 12% | 10 h 50 min |
| October 23 | 74°F | 53°F | 19% | 13% | 10 h 50 min |
| October 24 | 73°F | 52°F | 20% | 13% | 10 h 50 min |
| October 25 | 73°F | 52°F | 20% | 14% | 10 h 50 min |
| October 26 | 72°F | 52°F | 21% | 14% | 10 h 40 min |
| October 27 | 72°F | 52°F | 22% | 15% | 10 h 40 min |
| October 28 | 71°F | 51°F | 22% | 15% | 10 h 40 min |
| October 29 | 71°F | 51°F | 23% | 16% | 10 h 40 min |
| October 30 | 70°F | 51°F | 23% | 16% | 10 h 30 min |
| October 31 | 70°F | 50°F | 24% | 16% | 10 h 30 min |
- Normal high
- 78°FOctober average
- Normal low
- 55°FOctober average
- Precipitation
- 3.43 inmonth total
- Days with precipitation
- 50.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 24
- Days at 80°F or more
- 13
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00048135; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Shasta in October?
On a given October day the chance of 0.01 inch or more is 16% on average, highest around October 31 (24%). In all, 3.43 in falls on 5 days of a normal October, 1 of them with an inch or more.
In a normal October in Shasta, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00048135.
What are the records for October in Shasta?
The warmest October temperature on this station's record (since 1943) is 104°F, on October 2, 2012; the coldest is 34°F, on October 30, 1971. The wettest October brought 21.24 in (2000).
The October mean against the 1991-2020 normal of 66.2°F: 2021 61.7°F (−4.5), 2022 71.6°F (+5.4), 2023 65.9°F (−0.3), 2024 70.1°F (+3.9), 2025 62.3°F (−4.0). 2 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 61.7°F | −4.5°F | 10.64 in |
| 2022 | 71.6°F | +5.4°F | 0.00 in |
| 2023 | 65.9°F | −0.3°F | 0.38 in |
| 2024 | 70.1°F | +3.9°F | 0.23 in |
| 2025 | 62.3°F | −4.0°F | 1.53 in |
Source: records: ACIS, station USC00048135; recent months: ACIS, station USC00048135. Records and recent months use complete months only.
How does October in Shasta 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; Shasta's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.