Pasadena, CA weather in October
Expect warm, dry weather in Pasadena in October, with highs near 83°F and lows near 56°F. Rain falls on about 3 days.
- Normal high
- 83°F
- Normal low
- 56°F
- Wet days
- 3
- 0.8 in total
- Muggy days
- 0
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 86°F | 80°F |
| Normal low | 59°F | 54°F |
| Chance of a wet day | 7% | 9% |
| Sunrise / sunset | 6:47 am / 6:37 pm | 7:11 am / 6:00 pm |
| Daylight | 11.8 h | 10.8 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 am58°Fdew point 46°F
- 9 am68°Fdew point 47°F
- Noon78°Fdew point 45°F
- 3 pm79°Fdew point 46°F
- 6 pm71°Fdew point 49°F
- 9 pm66°Fdew point 49°F
NOAA hourly normals (local standard time) from Burbank Glendale Pasadena Airport (13 mi away); average wind 4 mph; clear or few clouds in 81% of daytime hours, mostly cloudy or overcast in 16%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F11 of 31
- Hot dayshigh 90°F or more8 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 0.8 in; a dry October brings about 0.03 in and a wet one about 1.1 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 October2002: average high 74°F
- Wettest October2004: 8.8 in
- Driest October1995: no measurable precipitation
- Highest reading108°F (October 11, 1991)
- Lowest reading42°F (October 31, 2019)
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 | 90°F | 83°F | 75°F |
| Normal low | 62°F | 56°F | 50°F |
| Wet days | 1 | 3 | 3 |
| Comfortable days | 3 | 11 | 19 |
| Daylight | 12.4 h | 11.3 h | 10.4 h |
Highs change by -7°F from September and -8°F into November.
Nearby alternatives in October
- Warmer: Palm Springs, CA94 mi · high 91°F · 1 wet day
- Cooler: Torrance, CA24 mi · high 74°F · 2 wet days
How Pasadena ranks in October
- Normal high45th warmest of 378 cities; 7th of 60 in California
- Wet days41st driest of 378
- Comfortable days190th most of 340
What to pack for Pasadena in October
- Layers – afternoons near 83°F but nights near 56°F
Heating and cooling
October has 23 heating degree days and 167 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How hot is Pasadena in October?
The normal high is 83°F and the normal low is 56°F. From 1991 to 2020 the hottest October reading was 108°F (October 11, 1991).
Does it rain a lot in Pasadena in October?
About 3 days in October have at least 0.01 in of precipitation, and the normal total is 0.8 in. The wettest October in 1991-2020 was in 2004 (8.8 in); the driest was in 1995, with no measurable precipitation.
Is October a good time to visit Pasadena?
October ranks 9th of 12 months on our comfort score for Pasadena (59 out of 100). It has about 11 comfortable days and about 8 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain and frost dates: Pasadena (USC00046719), 0.0 mi NNW of the city center, 864 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: U C L A (USC00049152), 18 mi WSW of the city center, 430 ft (433 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Burbank Glendale Pasadena Airport (USW00023152), 13 mi WNW of the city center, 741 ft (122 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Burbank-Glendale-Pasa Arpt (722880-23152), 13 mi WNW of the city center, 731 ft (132 ft lower than the city). Hourly observations, 1991-2020.