Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

58°F

14°C

Humidity 60%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 29 Mar 01:10 AM PDT
Extended Forecast for

2 Miles NNW Portola Valley CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain.  Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 56. Calm wind.
Sunday
Sunny, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 69.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Partly sunny, with a high near 69.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Portola Valley CA
 37.42°N 122.23°W (Elev. 397 ft)
12:56 am PDT Mar 29, 2026
1am PDT Mar 29, 2026-6pm PDT Apr 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database