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San Ramon, CA 94583 Weather

It is 67°F in San Ramon, CA 94583, observed at 2:40 PM PDT. Today: Sunny, high 64°F, low 49°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

San Ramon, CA 94583 current weather

67°F

Sunny

H 64° / L 49°Feels like 67°

  • No rain expected in the next 12 hours

Observed at FW3625 San Ramon (4.1 mi away), 10/30/2026, 2:40 PM PDT

Hourly forecast

NWS, updated 10/30/2026, 1:26 PM PT

  1. Now64°
  2. 4 PM63°
  3. 5 PM61°
  4. 6 PM59°
  5. 7 PM55°
  6. 8 PM53°
  7. 9 PM52°
  8. 10 PM51°
  9. 11 PM51°
  10. 12 AM51°Sat
  11. 1 AM50°
  12. 2 AM50°
  13. 3 AM50°
  14. 4 AM50°
  15. 5 AM50°
  16. 6 AM49°
  17. 7 AM49°
  18. 8 AM49°
  19. 9 AM51°
  20. 10 AM54°
  21. 11 AM56°
  22. 12 PM58°
  23. 1 PM59°
  24. 2 PM59°
  25. 3 PM59°
  26. 4 PM59°
  27. 5 PM57°
  28. 6 PM54°
  29. 7 PM52°
  30. 8 PM51°
  31. 9 PM50°
  32. 10 PM50°
  33. 11 PM50°
  34. 12 AM50°Sun
  35. 1 AM49°17%
  36. 1 AM49°22%
  37. 2 AM48°29%
  38. 3 AM48°16%
  39. 4 AM48°
  40. 5 AM47°
  41. 6 AM47°
  42. 7 AM47°
  43. 8 AM49°
  44. 9 AM52°
  45. 10 AM55°
  46. 11 AM57°
  47. 12 PM59°
  48. 1 PM60°

10-day forecast

Tap a day for details

  • Today10/30Low 49°High 64°

    This Afternoon: Sunny. High near 64, with temperatures falling to around 61 in the afternoon. West southwest wind around 8 mph.

    Tonight: Partly cloudy, with a low around 49. Southwest wind 3 to 7 mph.

    Sunny
  • Sat10/3129% chance of precipitationLow 47°High 59°

    Saturday: Mostly cloudy. High near 59, with temperatures falling to around 57 in the afternoon. Southwest wind 3 to 7 mph.

    Saturday Night: A chance of rain showers between 1am and 4am. Mostly cloudy, with a low around 47. West southwest wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Mostly Cloudy
  • Sun11/1Low 45°High 61°

    Sunday: Mostly sunny, with a high near 61. West northwest wind 3 to 7 mph.

    Sunday Night: Mostly clear, with a low around 45.

    Mostly Sunny
  • Mon11/2Low 46°High 62°

    Monday: Mostly sunny, with a high near 62.

    Monday Night: Mostly cloudy, with a low around 46.

    Mostly Sunny
  • Tue11/310% chance of precipitationLow 48°High 62°

    Tuesday: Partly sunny, with a high near 62.

    Tuesday Night: Mostly cloudy, with a low around 48.

    Partly Sunny
  • Wed11/414% chance of precipitationLow 49°High 62°

    Wednesday: Mostly sunny, with a high near 62.

    Wednesday Night: Patchy fog between 1am and 4am. Partly cloudy, with a low around 49.

    Mostly Sunny
  • Thu11/515% chance of precipitationLow 48°High 60°

    Thursday: A slight chance of rain between 10am and 4pm. Mostly sunny, with a high near 60.

    Thursday Night: Partly cloudy, with a low around 48.

    Slight Chance Light Rain
  • Fri11/6Model blendLow 51°High 65°

    Friday: Partly cloudy. High near 65°. Low that night near 51°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blendLow 53°High 68°

    Saturday: Mostly sunny. High near 68°. Low that night near 53°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blendLow 53°High 69°

    Sunday: Partly cloudy. High near 69°. Low that night near 53°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 37.781, -121.997 from the NWS MTR office, updated 10/30/2026, 1:26 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KHWD (Hayward Exec, 11 mi), model run 10/30/2026, 1:00 PM PDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now64°Sunny0%7 mph
  2. 4 PM63°Sunny0%8 mph
  3. 5 PM61°Sunny1%8 mph
  4. 6 PM59°Mostly Clear1%7 mph
  5. 7 PM55°Partly Cloudy1%5 mph
  6. 8 PM53°Partly Cloudy1%3 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in San Ramon, CA 94583 right now?
The latest observation from FW3625 San Ramon was 67°F, reported at 10/30/2026, 2:40 PM PDT.
What is the high temperature today in San Ramon, CA 94583?
The National Weather Service forecast for this afternoon calls for a high near 64°F. Sunny.
Will it rain in San Ramon, CA 94583 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for San Ramon, CA 94583?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 65°F to 69°F. Model guidance this far out often changes.
What time is sunrise and sunset in San Ramon, CA 94583 today?
Sunrise is about 7:31 AM PDT and sunset is about 6:11 PM PDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in San Ramon, CA 94583?
At Mt Diablo Junction, the 1991 to 2020 normal high in October is 72°F and the normal low is 54°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.03 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

California hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage:
    • Minor floodingCoyote Creek (Marin) at Tam Valley29.9 mi
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Concord)
44GoodPM2.5
AQI forecast tomorrow (Concord)
50GoodPM2.5

UV index guide · Air quality

Drought

By county

Contra Costa County, week of 10/27/2026

No drought or abnormal dryness in this county.

Tides nearby

NOAA tide stations

Sun and moon

Local time, center of the area

Sunrise
7:31 AM
Sunset
6:11 PM
Daylight
10 hr 40 min
Moon
Waning Gibbous 76% lit
First light (civil dawn)
7:04 AM
Last light (civil dusk)
6:38 PM
Moonrise
10:03 PM
Moonset
12:46 PM

Normal October weather

Climate

Normal October high 72°, low 54°, precipitation 1.19 in for the month. 1991 to 2020 normals at Mt Diablo Junction, 8 mi away.

Other places nearby

Data sources

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About this data

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