National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

DW7094 Mill Valley (D7094)

Lat: 37.91317°NLon: 122.5485°WElev: 204.79ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Larkspur CA

  • Today

    Today: Mostly sunny, with a high near 86. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Light south southeast wind.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. Light west southwest wind.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 56. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 85. Light south southeast wind.
Sunday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 56. Light west southwest wind.
Monday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 80.
Tuesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Larkspur CA
 37.93°N 122.54°W (Elev. 197 ft)
Last Update:
11:27 am PDT Aug 22, 2026
Forecast Valid:
11am PDT Aug 22, 2026-6pm PDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation