California · NWS MTR office

Lafayette, CA weather

It is 43°F at K2MRS Orinda as of Oct 28, 2:06 AM PDT. Overnight: Mostly Clear, low near 46°F. Forecast from the National Weather Service, issued Oct 28, 2:16 AM PDT.

Updated Oct 28, 2:27 AM PDT (snapshot)

Current conditions

Temperature

43°F

Mostly Clear

Wind

Calm

Humidity 91% · dew point 40°F

Pressure · visibility

30.04 inHg

Visibility —

Observed at K2MRS Orinda (D1132), Oct 28, 2:06 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Lafayette forecast zone right now.

Around the NWS MTR forecast area

2 active alerts cover zones served by the MTR office near Lafayette:

  • Coastal Flood Advisory (2)

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. California has 8 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Lafayette (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM47°FMostly Clear0%NE 2 mph
Wed 5 AM46°FMostly Clear0%ENE 2 mph
Wed 6 AM46°FSunny0%E 2 mph
Wed 7 AM46°FMostly Sunny0%ENE 2 mph
Wed 8 AM46°FSunny0%E 2 mph
Wed 9 AM51°FSunny0%ENE 2 mph
Wed 10 AM55°FSunny0%NNE 2 mph
Wed 11 AM59°FSunny0%NNE 3 mph
Wed 12 PM63°FSunny0%NNE 3 mph
Wed 1 PM66°FSunny0%NNE 5 mph
Wed 2 PM67°FSunny0%N 3 mph
Wed 3 PM68°FSunny0%NNW 3 mph
Wed 4 PM68°FSunny0%WNW 5 mph
Wed 5 PM67°FSunny0%W 3 mph
Wed 6 PM64°FMostly Clear0%W 3 mph
Wed 7 PM60°FMostly Clear0%W 3 mph
Wed 8 PM55°FPartly Cloudy0%SW 2 mph
Wed 9 PM53°FPartly Cloudy0%SW 2 mph
Wed 10 PM52°FPartly Cloudy0%SW 2 mph
Wed 11 PM52°FMostly Cloudy0%S 2 mph
Thu 12 AM51°FMostly Cloudy0%S 2 mph
Thu 1 AM51°FMostly Cloudy0%S 2 mph
Thu 2 AM50°FMostly Cloudy0%S 2 mph
Thu 3 AM49°FMostly Cloudy0%S 2 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Lafayette can differ.

7-day forecast

Overnight

Low 46°F

Mostly clear, with a low around 46. West northwest wind around 2 mph.

Wednesday

High 69°F·Low 48°F

Sunny. High near 69, with temperatures falling to around 67 in the afternoon. Northeast wind around 5 mph.

Wednesday Night: Mostly cloudy, with a low around 48. Southwest wind around 3 mph.

Thursday

High 66°F·Low 49°F

Mostly cloudy, with a high near 66. West wind around 3 mph.

Thursday Night: Mostly cloudy, with a low around 49. West southwest wind around 3 mph.

Friday

High 65°F·Low 46°F

Mostly sunny, with a high near 65.

Friday Night: Partly cloudy, with a low around 46.

Saturday

High 61°F·Low 45°F

Partly sunny, with a high near 61.

Saturday Night: Partly cloudy, with a low around 45.

Sunday

High 65°F·Low 47°F

Sunny, with a high near 65.

Sunday Night: Mostly clear, with a low around 47.

Monday

High 68°F·Low 50°F

Mostly sunny, with a high near 68.

Monday Night: Mostly cloudy, with a low around 50.

Tuesday

High 69°F

A chance of rain after 10am. Mostly sunny, with a high near 69.

Nearby cities

Larger cities in the area

Other cities in Contra Costa County

See every city we cover in California, or check all active alerts.

About this forecast

Forecast office
Lafayette is served by the National Weather Service MTR forecast office, forecast zone CAZ510, county zone CAC013.
Location used
The Census Bureau's internal point for Lafayette (37.8910, -122.1195), in Contra Costa County. Population: 25,371 (2024 estimate), number 274 of the 296 California cities on this site.
Radar
Nearest NWS radar: KDAX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/37.891,-122.1195 (forecast issued Oct 28, 2:16 AM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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