West Hartley, CA
Unincorporated community in Contra Costa County, California
West Hartley is a small unincorporated community in Contra Costa County, California. It is 2.7 miles N of Antioch, the nearest town. Its ZIP code is 94531.
West Hartley at a glance
- State
- California
- County
- Contra Costa County
- ZIP code
- 94531
- Nearest town
- Antioch (2.7 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 37.9406, -121.8117
Weather in West Hartley now
Loading the National Weather Service forecast…
West Hartley weather by the hour
West Hartley weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of West Hartley.
This week in West Hartley
Sunrise, sunset and moon in West Hartley
What is the weather usually like in West Hartley?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 91°F average high
- Januarycoldest month · 40°F average low
- 12.6 inprecipitation per year · 320 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit West Hartley: April to June and October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ANTIOCH PUMPING PLT #3, CA US (USC00040232), adjusted for the elevation of West Hartley.
West Hartley weather month by month
Sunrise and sunset in West Hartley through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 AM | 5:13 PM | 9 h 53 min |
| February | 6:55 AM | 5:47 PM | 10 h 52 min |
| March | 7:16 AM | 7:15 PM | 11 h 59 min |
| April | 6:29 AM | 7:44 PM | 13 h 14 min |
| May | 5:55 AM | 8:12 PM | 14 h 16 min |
| June | 5:42 AM | 8:32 PM | 14 h 50 min |
| July | 5:55 AM | 8:30 PM | 14 h 35 min |
| August | 6:21 AM | 8:01 PM | 13 h 40 min |
| September | 6:48 AM | 7:16 PM | 12 h 28 min |
| October | 7:14 AM | 6:31 PM | 11 h 16 min |
| November | 6:46 AM | 4:57 PM | 10 h 10 min |
| December | 7:14 AM | 4:50 PM | 9 h 35 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in West Hartley?
West Hartley has a cold semi-arid climate. The warmest month is July, with an average high of 91°F (33°C), and the coldest is January, with average lows of 40°F (5°C).
It gets about 12.6 inches (320 mm) of precipitation a year. The wettest month is January and the driest is July.
The best time to visit West Hartley is April to June and October. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near West Hartley
The closest live webcam is Brentwood › West: TV225 - SR-4 : AT EOF LONE TREE WAY, 3.8 miles E of West Hartley.
Webcams: Windy.com · Traffic cameras: Caltrans. Distances in a straight line from West Hartley.
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Map of West Hartley, CA
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West Hartley Street View
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Questions about West Hartley
Where is West Hartley, CA?
West Hartley is an unincorporated community in Contra Costa County, California, 2.7 miles N of Antioch.
What county is West Hartley in?
West Hartley is in Contra Costa County, California.
What is the ZIP code of West Hartley, CA?
The ZIP code for West Hartley is 94531.
What is the nearest town to West Hartley?
Antioch, 2.7 miles away.
Are there webcams near West Hartley?
Yes. The closest is Brentwood › West: TV225 - SR-4 : AT EOF LONE TREE WAY, 3.8 miles away.
What is the hottest month in West Hartley?
July, with an average high of 91°F (33°C).
What is the coldest month in West Hartley?
January, with an average low of 40°F (5°C).
How much does it rain in West Hartley?
About 12.6 inches (320 mm) a year; the wettest month is January.
Does it snow in West Hartley?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit West Hartley?
April to June and October, when temperatures are most pleasant and rainy days are fewer.
What climate does West Hartley have?
Cold semi-arid (Köppen BSk).
Last updated: