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Contra Costa County (Concord)
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United States weather

10 day weather forecast for Contra Costa County

Thursday, July 16th, 2026, at 20:31
today
Sunny
34° 16°
tomorrow
Sunny
28° 14°
Saturday
Sunny
29° 13°
Sunday
Sunny
30° 14°
Monday
Partly cloudy
28° 17°
Tuesday
Sunny
33° 17°
Wednesday
Sunny
33° 20°
 More Details See
more
Contra Costa County Weather Pages

Contra Costa County weather forecast

The weather forecast for Contra Costa County for today indicates hot conditions with temperatures around 34 °C.

Wind speeds are expected to be breezy, averaging around 17 km/h.

On Friday, a notable cooling trend with temperatures reaching 28°C.

Weather today
Contra Costa County weather forecast

Contra Costa County 14 days weather forecast

This weeks weather in Contra Costa County. Click on a date for detailed forecasts
Thu. 16
34°
16°
Sunny
0 mm
Fri. 17
28°
14°
Sunny
0 mm
Sat. 18
29°
13°
Sunny
0 mm
Sun. 19
30°
14°
Sunny
0 mm
Mon. 20
28°
17°
Partly cloudy
0 mm
Tue. 21
33°
17°
Sunny
0 mm
Wed. 22
33°
20°
Sunny
0 mm
Thu. 23
29°
18°
Sunny
0 mm
Fri. 24
28°
15°
Sunny
0 mm
Sat. 25
29°
14°
Sunny
0 mm
Sun. 26
29°
13°
Sunny
0 mm
Mon. 27
31°
14°
Sunny
0 mm
Tue. 28
32°
15°
Sunny
0 mm
Wed. 29
34°
16°
Sunny
0 mm
Select a date

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Access Contra Costa County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Contra Costa County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Contra Costa County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

Frequently asked questions about the weather in Contra Costa County

How warm is it in Contra Costa County over the next 14 days?
Over the next two weeks, temperatures in Contra Costa County are expected to range from around 13 °C on the coldest nights up to about 34 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Contra Costa County in the next two weeks?
No significant rain is expected in Contra Costa County over the next two weeks, so you can plan for mostly dry conditions.

How windy is it in Contra Costa County?
Maximum wind speeds in Contra Costa County are forecast to reach about 20 km/h at their peak over the next 14 days.

When is the best time to visit Contra Costa County?
For a month-by-month look at temperatures and rainfall, see our best time to visit Contra Costa County guide.

How accurate is the 14-day forecast for Contra Costa County?
Our Contra Costa County forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.

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Location coordinates Where is Contra Costa County?

Get accurate weather forecasts for Contra Costa County, located at latitude 37.978 and longitude -122.031. Stay updated with localized weather information tailored for Contra Costa County.

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