Concord, CA weather in October
October in Concord: mild and dry. Highs 76°F, lows 46°F, about 3 days with rain. A great month for outdoor plans.
- Normal high
- 76°F
- Normal low
- 46°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 | 81°F | 71°F |
| Normal low | 48°F | 43°F |
| Chance of a wet day | 6% | 13% |
| Sunrise / sunset | 7:03 am / 6:51 pm | 7:32 am / 6:10 pm |
| Daylight | 11.8 h | 10.6 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 am53°Fdew point 46°F
- 9 am64°Fdew point 47°F
- Noon74°Fdew point 45°F
- 3 pm77°Fdew point 44°F
- 6 pm67°Fdew point 46°F
- 9 pm60°Fdew point 47°F
NOAA hourly normals (local standard time) from Travis AFB (21 mi away); average wind 10 mph; clear or few clouds in 75% of daytime hours, mostly cloudy or overcast in 18%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F21 of 31
- Hot dayshigh 90°F or more2 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 in2 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 0.05 in and a wet one about 0.8 in (25th and 75th percentiles). Days with half an inch or more are rare.
How October varies from year to year
- Warmest October, 1991-20201991: average high 81°F
- Coolest October2007: average high 72°F
- Wettest October2009: 2.9 in
- Driest October1995: no measurable precipitation
- Highest reading100°F (October 8, 1996)
- Lowest reading35°F (October 27, 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 | 84°F | 76°F | 64°F |
| Normal low | 50°F | 46°F | 39°F |
| Wet days | 1 | 3 | 6 |
| Comfortable days | 9 | 21 | 14 |
| Daylight | 12.4 h | 11.2 h | 10.1 h |
Highs change by -8°F from September and -12°F into November.
Nearby alternatives in October
- Cooler: San Francisco, CA25 mi · high 70°F · 4 wet days
How Concord ranks in October
- Normal high139th warmest of 378 cities; 41st of 60 in California
- Wet days43rd driest of 378
- Comfortable days10th most of 340
What to pack for Concord in October
- Layers – afternoons near 76°F but nights near 46°F
Heating and cooling
October has 151 heating degree days and 21 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Concord in October?
The normal high is 76°F and the normal low is 46°F. From 1991 to 2020 the hottest October reading was 100°F (October 8, 1996).
Does it rain a lot in Concord 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 2009 (2.9 in); the driest was in 1995, with no measurable precipitation.
Is October a good time to visit Concord?
October ranks 3rd of 12 months on our comfort score for Concord (75 out of 100). It has about 21 comfortable days and about 2 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature: Martinez WTP (USC00045378), 5.1 mi WNW of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Concord Wwtp (USC00041967), 2.1 mi W of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Concord Buchanan Fld (USW00023254), 1.6 mi NW of the city center, 18 ft (57 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Travis AFB (USW00023202), 21 mi NNE of the city center, 59 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Travis Air Force Base (745160-23202), 21 mi NNE of the city center, 62 ft . Hourly observations, 1991-2020.