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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Porterville, Porterville Municipal Airport (KPTV)

Lat: 36.03333°NLon: 119.06667°WElev: 443.0ft.

Clear

45°F

7°C

Humidity 93%
Wind Speed NE 3 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 27 Jan 11:20 PM PST
Extended Forecast for

3 Miles S Porterville CA

Dense Fog Advisory January 28, 11:00pm until January 29, 12:00pm
Dense Fog Advisory January 28, 01:00am until January 28, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
Dense Fog Advisory
  • Tonight

    Tonight: Patchy fog before 1am.  Otherwise, mostly cloudy, with a low around 39. East southeast wind around 5 mph becoming calm.

    Low: 39 °F

    Patchy Fog

  • Wednesday

    Wednesday: Widespread dense fog between 7am and 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Calm wind becoming south southwest around 5 mph.

    High: 60 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog after 1am.  Otherwise, mostly clear, with a low around 39. East wind around 5 mph becoming calm.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Thursday

    Thursday: Patchy dense fog before 9am.  Otherwise, mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog between midnight and 2am.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Partly sunny, with a high near 61. Calm wind becoming west northwest around 5 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. East wind around 5 mph.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 39. East southeast wind around 5 mph becoming calm.
Wednesday
Widespread dense fog between 7am and 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 60. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Patchy dense fog after 1am. Otherwise, mostly clear, with a low around 39. East wind around 5 mph becoming calm.
Thursday
Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 57. Calm wind.
Thursday Night
Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Friday
Partly sunny, with a high near 61. Calm wind becoming west northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 44. Calm wind.
Saturday
Partly sunny, with a high near 65. Calm wind.
Saturday Night
Partly cloudy, with a low around 45. East wind around 5 mph.
Sunday
Mostly cloudy, with a high near 64. East wind around 5 mph becoming calm.
Sunday Night
Mostly cloudy, with a low around 44. Northwest wind around 5 mph becoming calm.
Monday
Partly sunny, with a high near 58. South southeast wind around 5 mph becoming west southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 61. Calm wind becoming west around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Porterville CA
 36.02°N 119.03°W (Elev. 479 ft)
10:56 pm PST Jan 27, 2026
11pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database