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Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

LA HONDA (LAHC1)

Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.

NA

57°F

14°C

Humidity 88%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 18 Jun 01:07 AM PDT
Extended Forecast for

5 Miles SW Portola Valley CA

  • Overnight

    Overnight: Cloudy, with a steady temperature around 57. Calm wind.

    Low: 57 °F

    Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 68 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: A slight chance of drizzle after 11pm. Increasing clouds, with a low around 54. South southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 54 °F

    Slight Chance
    Drizzle

  • Juneteenth

    Juneteenth: Cloudy through mid morning, then gradual clearing, with a high near 64. South wind 3 to 8 mph.

    High: 64 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. South southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Areas Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog between 9pm and 5am. Otherwise, mostly cloudy, with a low around 50.

    Low: 50 °F

    Patchy Fog

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 57. Calm wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming south southwest 5 to 8 mph in the morning.
Thursday Night
A slight chance of drizzle after 11pm. Increasing clouds, with a low around 54. South southwest wind 5 to 7 mph becoming calm after midnight.
Juneteenth
Cloudy through mid morning, then gradual clearing, with a high near 64. South wind 3 to 8 mph.
Friday Night
Mostly cloudy, with a low around 54. South southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Patchy fog between 9pm and 5am. Otherwise, mostly cloudy, with a low around 50.
Monday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 69.
Monday Night
Widespread fog. Otherwise, partly cloudy, with a low around 51.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 71.
Tuesday Night
Widespread fog. Otherwise, partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Portola Valley CA
 37.34°N 122.3°W (Elev. 597 ft)
Last Update:
1:26 am PDT Jun 18, 2026
Forecast Valid:
1am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
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