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Sunnyvale, CA 94087 Weather

It is 52°F and clear in Sunnyvale, CA 94087, observed at 2:15 AM PDT. Today: Patchy Fog then Mostly Cloudy, high 65°F, low 49°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).

Sunnyvale, CA 94087 current weather

52°F

Clear

H 65° / L 49°Feels like 52°

  • No rain expected in the next 12 hours

Observed at Mountain View, Moffett Field (3.6 mi away), 10/31/2026, 2:15 AM PDT

Hourly forecast

NWS, updated 10/31/2026, 1:26 AM PT

  1. Now51°
  2. 3 AM50°
  3. 4 AM50°
  4. 5 AM50°
  5. 6 AM49°
  6. 7 AM49°
  7. 8 AM49°
  8. 9 AM53°
  9. 10 AM58°
  10. 11 AM62°
  11. 12 PM64°
  12. 1 PM64°
  13. 2 PM65°
  14. 3 PM65°
  15. 4 PM65°
  16. 5 PM64°
  17. 6 PM61°
  18. 7 PM59°
  19. 8 PM57°
  20. 9 PM56°12%
  21. 10 PM54°15%
  22. 11 PM54°26%
  23. 12 AM52°38%Sun
  24. 1 AM52°24%
  25. 1 AM51°34%
  26. 2 AM50°35%
  27. 3 AM49°38%
  28. 4 AM48°10%
  29. 5 AM48°
  30. 6 AM48°
  31. 7 AM48°
  32. 8 AM52°
  33. 9 AM57°
  34. 10 AM60°
  35. 11 AM62°
  36. 12 PM64°
  37. 1 PM64°
  38. 2 PM65°
  39. 3 PM65°
  40. 4 PM64°
  41. 5 PM62°
  42. 6 PM59°
  43. 7 PM57°
  44. 8 PM55°
  45. 9 PM54°
  46. 10 PM52°
  47. 11 PM51°
  48. 12 AM50°Mon

10-day forecast

Tap a day for details

  • Today10/31Low 49°High 65°

    Saturday: Patchy fog between 7am and 9am. Mostly cloudy, with a high near 65. Southeast wind 1 to 7 mph.

    Overnight: Mostly cloudy, with a low around 49. South wind around 2 mph.

    Patchy Fog then Mostly Cloudy
  • Sun11/1Low 46°High 65°

    Sunday: Sunny, with a high near 65. West northwest wind 2 to 8 mph.

    Sunday Night: Mostly clear, with a low around 46. Northeast wind 2 to 8 mph.

    Sunny
  • Mon11/2Low 49°High 69°

    Monday: Mostly sunny, with a high near 69.

    Monday Night: Mostly cloudy, with a low around 49.

    Mostly Sunny
  • Tue11/317% chance of precipitationLow 47°High 67°

    Tuesday: A slight chance of rain showers between 10am and 4pm. Partly sunny, with a high near 67.

    Tuesday Night: A slight chance of rain between 10pm and 4am, then patchy fog. Mostly cloudy, with a low around 47.

    Slight Chance Rain Showers
  • Wed11/413% chance of precipitationLow 48°High 67°

    Wednesday: Patchy fog before 7am. Mostly sunny, with a high near 67.

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

    Patchy Fog then Mostly Sunny
  • Thu11/5Low 47°High 67°

    Thursday: Partly sunny, with a high near 67.

    Thursday Night: Partly cloudy, with a low around 47.

    Partly Sunny
  • Fri11/6Low High 69°

    Friday: Mostly sunny, with a high near 69.

    Mostly Sunny
  • Sat11/7Model blendLow 54°High 72°

    Saturday: Mostly sunny. High near 72°. Low that night near 54°.

    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 54°High 72°

    Sunday: Partly cloudy. High near 72°. Low that night near 54°.

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

  • Mon11/9Model blend10% chance of precipitationLow 53°High 68°

    Monday: Partly cloudy. High near 68°. Low that night near 53°. About 0.01 in of precipitation.

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

Forecast for 37.354, -122.038 from the NWS MTR office, updated 10/31/2026, 1:26 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KNUQ (Moffett Fed Airfld, 4 mi), model run 10/31/2026, 1:00 AM 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. Now51°Mostly Cloudy1%2 mph
  2. 3 AM50°Mostly Cloudy1%2 mph
  3. 4 AM50°Mostly Cloudy1%2 mph
  4. 5 AM50°Mostly Cloudy1%2 mph
  5. 6 AM49°Partly Sunny1%2 mph
  6. 7 AM49°Patchy Fog1%2 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 Sunnyvale, CA 94087 right now?
The latest observation from Mountain View, Moffett Field was 52°F and clear, reported at 10/31/2026, 2:15 AM PDT.
What is the high temperature today in Sunnyvale, CA 94087?
The National Weather Service forecast for saturday calls for a high near 65°F. Patchy Fog then Mostly Cloudy.
Will it rain in Sunnyvale, CA 94087 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 Sunnyvale, CA 94087?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 68°F to 72°F. Model guidance this far out often changes.
What time is sunrise and sunset in Sunnyvale, CA 94087 today?
Sunrise is about 7:32 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 Sunnyvale, CA 94087?
At Moffett Federal Airfield, the 1991 to 2020 normal high in October is 74°F and the normal low is 53°F.

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: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (San Jose)
50GoodPM2.5
AQI forecast tomorrow (San Jose)
50GoodPM2.5

UV index guide · Air quality

Drought

By county

Santa Clara 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
7:32 AM
Sunset
6:11 PM
Daylight
10 hr 39 min
Moon
Waning Gibbous 72% lit
First light (civil dawn)
7:05 AM
Last light (civil dusk)
6:38 PM
Moonrise
11:20 PM
Moonset
1:34 PM

Normal October weather

Climate

Normal October high 74°, low 53°, precipitation 0.56 in for the month. 1991 to 2020 normals at Moffett Federal Airfield, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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