Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

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

Partly Cloudy

64°F

18°C

Humidity 48%
Wind Speed WNW 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Apr 09:47 PM PDT
Extended Forecast for

10 Miles E Mount Hamilton CA

  • Overnight

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

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after 11am.  Mostly sunny, with a high near 69. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 11pm.  Patchy fog after 2am. Low around 42. Southwest wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm.  Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Showers then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain.  Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Patchy frost after 4am.  Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 37. Southwest wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 69. Light south wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain, mainly after 11pm. Patchy fog after 2am. Low around 42. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 56. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 38. Chance of precipitation is 80%.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
Wednesday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 35.
Thursday
Patchy frost before 7am. Otherwise, sunny, with a high near 65.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 37.
Friday
Sunny, with a high near 69.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mount Hamilton CA
 37.33°N 121.47°W (Elev. 2113 ft)
11:21 pm PDT Apr 18, 2026
12am PDT Apr 19, 2026-6pm PDT Apr 25, 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