Winter Storm for Mid-Atlantic and Northeast; Arctic Air Spreads South and East into Next Week

A developing winter storm will track across the Mid-Atlantic and Northeast Sunday and Sunday night. Meanwhile, arctic air continues to dive southward across the center of the nation and will spread eastward into the new week. Cold temperatures and strong winds will result in dangerous low wind chill values for locations along and east of the Rockies. For southern California, Santa Ana winds return Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.

Clear

52°F

11°C

Humidity 76%
Wind Speed NW 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 18 Jan 06:15 PM PST
Extended Forecast for

Sunnyvale CA

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, sunny, with a high near 59. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 38. Light northwest wind.

    Low: 38 °F

    Patchy Fog

  • M.L.King Day

    M.L.King Day: Areas of fog before 8am.  Otherwise, sunny, with a high near 62. Calm wind becoming north 5 to 8 mph in the morning.

    High: 62 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy frost after 5am.  Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Wednesday

    Wednesday: Areas of frost before 8am.  Otherwise, sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 40. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 59. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 38. Light northwest wind.
M.L.King Day
Areas of fog before 8am. Otherwise, sunny, with a high near 62. Calm wind becoming north 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 36. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 64.
Wednesday Night
Clear, with a low around 39.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Sunny, with a high near 60.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Sunnyvale CA
 37.38°N 122.05°W (Elev. 118 ft)
12:26 pm PST Jan 18, 2025
6pm PST Jan 18, 2025-6pm PST Jan 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database