Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Active Weather Pattern in the West and into the Central U.S.

A series of weather systems will bring locally heavy rain, 1 to 3 feet of mountain snow, and strong winds up to 75 mph across the western states. Later this weekend and early next week, a strong low pressure system will spread wintry conditions and strong winds from the Plains into the Upper Midwest. Strengthening winds in the Southern Plains will increase fire weather threats. Warmer in the east. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65ft.

Fog

55°F

13°C

Humidity 100%
Wind Speed S 12 MPH
Barometer 30.06 in
Dewpoint 55°F (13°C)
Visibility 1.00 mi
Last update 18 Jan 11:55 am PST
Extended Forecast for

4 Miles E Half Moon Bay CA

  • This
    Afternoon

    This Afternoon: Rain likely, mainly before 4pm.  Cloudy, with a high near 55. West southwest wind 11 to 13 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    High: 55 °F

  • Tonight

    Tonight: A chance of rain before 10pm, then a chance of showers after 10pm.  Mostly cloudy, with a steady temperature around 48. Southwest wind 8 to 14 mph becoming west northwest after midnight.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance Rain

    Low: 48 °F

  • Friday

    Friday: A 50 percent chance of showers.  Partly sunny, with a high near 50. West wind 10 to 15 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 50 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 43. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Showers

    Low: 43 °F

  • Saturday

    Saturday: A 20 percent chance of showers before 10am.  Mostly sunny, with a high near 49. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.

    Slight Chance
    Showers then
    Mostly Sunny

    High: 49 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Mostly Cloudy

    Low: 44 °F

  • Sunday

    Sunday: A 50 percent chance of rain.  Mostly cloudy, with a high near 52.

    Chance Rain

    High: 52 °F

  • Sunday
    Night

    Sunday Night: Rain likely.  Cloudy, with a low around 47.

    Rain Likely

    Low: 47 °F

  • Monday

    Monday: Showers likely.  Cloudy, with a high near 53.

    Showers
    Likely

    High: 53 °F

Detailed Forecast

This Afternoon
Rain likely, mainly before 4pm. Cloudy, with a high near 55. West southwest wind 11 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A chance of rain before 10pm, then a chance of showers after 10pm. Mostly cloudy, with a steady temperature around 48. Southwest wind 8 to 14 mph becoming west northwest after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 50. West wind 10 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 43. Northwest wind 9 to 14 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers before 10am. Mostly sunny, with a high near 49. Northwest wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely. Cloudy, with a low around 47.
Monday
Showers likely. Cloudy, with a high near 53.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Tuesday
A slight chance of showers. Partly sunny, with a high near 55.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A slight chance of rain. Partly sunny, with a high near 55.
Click Map For Forecast
Point Forecast:
4 Miles E Half Moon Bay CA
 37.46°N 122.36°W (Elev. 1145 ft)
3:02 am PST Jan 18, 2018
12pm PST Jan 18, 2018-6pm PST Jan 24, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database