Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Overcast

57°F

14°C

Humidity 93%
Wind Speed NW 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Apr 09:55 PM PDT
Extended Forecast for

Mount Hamilton CA

  • Overnight

    Overnight: Rain, mainly before 5am, then showers after 5am.  Steady temperature around 49. South southwest wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm.  Temperature rising to near 48 by 8am, then falling to around 44 during the remainder of the day. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain before 11pm, then a chance of rain after 3am.  Mostly cloudy, with a low around 41. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 51. West wind around 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. West wind 6 to 8 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 5am, then showers after 5am. Steady temperature around 49. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. Temperature rising to near 48 by 8am, then falling to around 44 during the remainder of the day. Southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of rain before 11pm, then a chance of rain after 3am. Mostly cloudy, with a low around 41. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 51. West wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 41. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A slight chance of rain after 11am. Partly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 59.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
12:31 am PDT Apr 21, 2026
2am PDT Apr 21, 2026-6pm PDT Apr 27, 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