El Cajon, CA weather in October
In October, El Cajon sees highs around 81°F and lows around 56°F: warm and dry. There are about 3 days with rain. Good for outdoor plans.
- Normal high
- 81°F
- Normal low
- 56°F
- Wet days
- 3
- 0.7 in total
- Muggy days
- 0
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 84°F | 79°F |
| Normal low | 59°F | 52°F |
| Chance of a wet day | 6% | 10% |
| Sunrise / sunset | 6:42 am / 6:32 pm | 7:04 am / 5:58 pm |
| Daylight | 11.8 h | 10.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical October day
- 6 am63°Fdew point 54°F
- 9 am68°Fdew point 54°F
- Noon72°Fdew point 55°F
- 3 pm72°Fdew point 56°F
- 6 pm68°Fdew point 57°F
- 9 pm66°Fdew point 57°F
NOAA hourly normals (local standard time) from San Diego Lindbergh Fld (14 mi away); average wind 5 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 of 31
- Hot dayshigh 90°F or more7 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow3 of 31
- Notable rainat least 0.10 in1 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain in October
Normal precipitation is 0.7 in; a dry October brings about 0.04 in and a wet one about 0.9 in (25th and 75th percentiles). Days with half an inch or more are rare.
How October varies from year to year
- Warmest October, 1991-20201999: average high 91°F
- Coolest October2010: average high 75°F
- Wettest October2004: 7.5 in
- Driest October1995: no measurable precipitation
- Highest reading106°F (October 10, 1991)
- Lowest reading35°F (October 23, 2011)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 87°F | 81°F | 75°F |
| Normal low | 62°F | 56°F | 47°F |
| Wet days | 1 | 3 | 4 |
| Comfortable days | 4 | 12 | 19 |
| Daylight | 12.4 h | 11.4 h | 10.5 h |
Highs change by -6°F from September and -6°F into November.
Nearby alternatives in October
- Warmer: Palm Springs, CA75 mi · high 91°F · 1 wet day
- Cooler: San Diego, CA13 mi · high 75°F · 2 wet days
How El Cajon ranks in October
- Normal high72nd warmest of 378 cities; 14th of 60 in California
- Wet days38th driest of 378
- Comfortable days156th most of 340
What to pack for El Cajon in October
- Layers – afternoons near 81°F but nights near 56°F
Heating and cooling
October has 25 heating degree days and 127 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is El Cajon in October?
The normal high is 81°F and the normal low is 56°F. From 1991 to 2020 the hottest October reading was 106°F (October 10, 1991).
Does it rain a lot in El Cajon in October?
About 3 days in October have at least 0.01 in of precipitation, and the normal total is 0.7 in. The wettest October in 1991-2020 was in 2004 (7.6 in); the driest was in 1995, with no measurable precipitation.
Is October a good time to visit El Cajon?
October ranks 9th of 12 months on our comfort score for El Cajon (61 out of 100). It has about 12 comfortable days and about 7 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature and frost dates: El Cajon (USC00042706), 2.0 mi ENE of the city center, 495 ft (60 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Lakeside 2 E (USC00044710), 5.7 mi NE of the city center, 690 ft (255 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: San Diego Lindbergh Fld (USW00023188), 14 mi WSW of the city center, 15 ft (420 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: San Diego International Airport (722900-23188), 14 mi WSW of the city center, 15 ft (420 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).