Heavy Precipitation for Pacific Northwest; Heavy Snow Diminishing across New England

Multiple rounds of heavy to excessive rainfall, mountain snow and gusty winds will impact the Northwest U.S. into the central and northern Rockies this week. Urban, small stream, and moderate to isolated major river flooding are also expected across the Cascades through mid-week. Meanwhile, the heavy snow threat across the Northeast will finally diminish this evening. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65.0ft.

Clear

50°F

10°C

Humidity 100%
Wind Speed NW 5 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Wind Chill48°F (9°C)
Last update 05 Dec 01:35 AM PST
Extended Forecast for

Half Moon Bay CA

Dense Fog Advisory until December 5, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 5, 11:00am

    NOW until
    11:00am Tue

    Dense Fog Advisory

  • Overnight

    Overnight: Patchy dense fog.  Otherwise, mostly cloudy, with a steady temperature around 49. Northeast wind around 6 mph.

    Patchy Dense
    Fog

    Low: 49 °F

  • Tuesday

    Tuesday: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 69. Northeast wind 6 to 8 mph.

    Patchy Dense
    Fog then
    Mostly Sunny

    High: 69 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of rain after 4am.  Patchy fog between 11pm and 1am.  Otherwise, mostly cloudy, with a low around 46. Calm wind becoming west southwest around 5 mph after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

    Low: 46 °F

  • Wednesday

    Wednesday: Rain, mainly between 10am and 4pm.  High near 62. South wind 8 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 62 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 46. Northwest wind 6 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain
    then Slight
    Chance Rain

    Low: 46 °F

  • Thursday

    Thursday: A 40 percent chance of rain, mainly between 10am and 4pm.  Partly sunny, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    High: 61 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 41.

    Slight Chance
    Rain then
    Mostly Clear

    Low: 41 °F

  • Friday

    Friday: Sunny, with a high near 58.

    Sunny

    High: 58 °F

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a steady temperature around 49. Northeast wind around 6 mph.
Tuesday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 69. Northeast wind 6 to 8 mph.
Tuesday Night
A 30 percent chance of rain after 4am. Patchy fog between 11pm and 1am. Otherwise, mostly cloudy, with a low around 46. Calm wind becoming west southwest around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly between 10am and 4pm. High near 62. South wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 46. Northwest wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 61. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Sunday
Mostly cloudy, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 63.
Click Map For Forecast
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
12:26 am PST Dec 5, 2023
2am PST Dec 5, 2023-6pm PST Dec 11, 2023
 
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Additional Resources

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