Blizzard Conditions Continue Tonight Across Coastal Maine; Critical Fire Weather in the Southern Plains Tuesday

Heavy snow and strong winds will continue into Tuesday morning across Maine as the major winter storm departs off the coast. Blizzard Warnings and Winter Storm Warnings remain in effect. Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern High Plains Tuesday. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

N/A

Humidity 99%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 20 Feb 03:25 AM PST
Extended Forecast for

2 Miles SSE Clayton CA

  • Tonight

    Tonight: A 50 percent chance of rain.  Cloudy, with a low around 55. South wind 6 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  High near 64. South wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain Likely
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 8pm.  Mostly cloudy, with a low around 55. South wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Rain Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. West wind around 6 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. West northwest wind around 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain. Cloudy, with a low around 55. South wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 64. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 55. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Partly sunny, with a high near 66. West wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 51. West northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
A slight chance of rain after 4pm. Partly sunny, with a high near 69.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Sunday
A slight chance of rain. Partly sunny, with a high near 66.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Clayton CA
 37.92°N 121.93°W (Elev. 600 ft)
2:22 pm PST Feb 23, 2026
11pm PST Feb 23, 2026-6pm PST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database