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

Hazardous Weather Conditions

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Fog

N/A

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 0.40 km
Last update NA
Extended Forecast for

6 Miles WNW Merced CA

Dense Fog Advisory January 21, 07:37am until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 21, 07:37am until January 21, 12:00pm

    NOW until 12:00pm Wed

    Dense Fog Advisory

  • Today

    High: 13 °C

    Areas Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 7. Calm wind.

    Low: 7 °C

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 15. Calm wind.

    High: 15 °C

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 6. Calm wind.

    Low: 6 °C

    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 14. Calm wind.

    High: 14 °C

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Calm wind.

    Low: 6 °C

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 13. Northwest wind 5 to 10 km/h.

    High: 13 °C

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Calm wind.

    Low: 3 °C

    Partly Cloudy

Detailed Forecast

Today
Areas of dense fog between 10am and 1pm. Otherwise, cloudy, with a high near 13. Calm wind.
Tonight
Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 7. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 15. Calm wind.
Thursday Night
Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 6. Calm wind.
Friday
Partly sunny, with a high near 14. Calm wind.
Friday Night
Partly cloudy, with a low around 6. Calm wind.
Saturday
Partly sunny, with a high near 13. Northwest wind 5 to 10 km/h.
Saturday Night
Partly cloudy, with a low around 3. Calm wind.
Sunday
Partly sunny, with a high near 14. Calm wind.
Sunday Night
Mostly cloudy, with a low around 4. Calm wind.
Monday
Partly sunny, with a high near 14. Calm wind.
Monday Night
Partly cloudy, with a low around 4. Calm wind.
Tuesday
Mostly cloudy, with a high near 14. Calm wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Merced CA
 37.33°N 120.58°W (Elev. 154 m)
Last Update:
6:57 am PST Jan 21, 2026
Forecast Valid:
7am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation