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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Portola - Gulling Street (CQ236)

Lat: 39.81336°NLon: 120.47069°WElev: 4895.0ft.

NA

27°F

-3°C

Humidity 61%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 26 Jan 09:00 PM PST
Extended Forecast for

Portola CA

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a slight chance of rain and snow between 4am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 27. Southwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow, mainly between 9am and 10am. Snow level 5000 feet rising to 6100 feet in the afternoon. Mostly sunny, with a high near 49. Calm wind. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. Calm wind.
Tuesday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
A chance of snow before 4am, then a slight chance of rain and snow between 4am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 27. Southwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A slight chance of rain and snow, mainly between 9am and 10am. Snow level 5000 feet rising to 6100 feet in the afternoon. Mostly sunny, with a high near 49. Calm wind. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 27. Calm wind.
Thursday
Mostly sunny, with a high near 54. Calm wind.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A slight chance of rain and snow. Snow level 6300 feet rising to 6900 feet in the afternoon. Partly sunny, with a high near 57.
Sunday Night
A slight chance of rain. Snow level 6600 feet. Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portola CA
 39.81°N 120.46°W (Elev. 4984 ft)
Last Update:
9:16 pm PST Jan 26, 2026
Forecast Valid:
11pm PST Jan 26, 2026-6pm PST Feb 2, 2026
 
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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