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Cupertino weather
Current conditions and a 14-day forecast for Cupertino, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
27°C
Clear sky · feels 29°C
Humidity
40%
relative humidity
Wind
11 km/h
10m wind speed
Chance of rain
0%
today
Is today unusual?
Close to typical for this date
Based on 150 comparable days across 10 years on record (same calendar week, excluding this year).
- This date last year: 23°C / 12°C
- Hottest on record: 41°C on Sep 2, 2017 (archive begins 2016)
- Coldest on record: -1°C on Dec 18, 2016 (archive begins 2016)
This compares today's forecast against the historical archive, not a live measurement. See the full historical breakdown for any past date.
Next 24 hours in Cupertino
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 1pm | Clear sky | 27°C | 0% |
| 2pm | Clear sky | 27°C | 0% |
| 3pm | Clear sky | 27°C | 0% |
| 4pm | Clear sky | 26°C | 0% |
| 5pm | Clear sky | 25°C | 0% |
| 6pm | Clear sky | 24°C | 0% |
| 7pm | Clear sky | 21°C | 0% |
| 8pm | Clear sky | 18°C | 0% |
| 9pm | Clear sky | 16°C | 0% |
| 10pm | Mainly clear | 14°C | 0% |
| 11pm | Mainly clear | 14°C | 0% |
| 12am | Partly cloudy | 13°C | 0% |
| 1am | Overcast | 13°C | 0% |
| 2am | Fog | 12°C | 0% |
| 3am | Fog | 12°C | 0% |
| 4am | Fog | 12°C | 0% |
| 5am | Fog | 11°C | 0% |
| 6am | Fog | 11°C | 0% |
| 7am | Fog | 11°C | 0% |
| 8am | Overcast | 12°C | 1% |
| 9am | Mainly clear | 16°C | 0% |
| 10am | Clear sky | 19°C | 0% |
| 11am | Clear sky | 22°C | 0% |
| 12pm | Clear sky | 25°C | 0% |
14-day forecast for Cupertino
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Overcast | 27° / 12° | 0% |
| Sat, Jul 18 | Fog | 27° / 11° | 1% |
| Sun, Jul 19 | Fog | 38° / 12° | 1% |
| Mon, Jul 20 | Overcast | 36° / 14° | 1% |
| Tue, Jul 21 | Light drizzle | 37° / 18° | 6% |
| Wed, Jul 22 | Overcast | 28° / 14° | 1% |
| Thu, Jul 23 | Clear sky | 32° / 13° | 0% |
| Fri, Jul 24 | Mainly clear | 33° / 13° | 1% |
| Sat, Jul 25 | Clear sky | 33° / 13° | 1% |
| Sun, Jul 26 | Clear sky | 36° / 13° | 1% |
| Mon, Jul 27 | Clear sky | 39° / 14° | 0% |
| Tue, Jul 28 | Clear sky | 41° / 12° | 0% |
| Wed, Jul 29 | Partly cloudy | 44° / 14° | 0% |
| Thu, Jul 30 | Partly cloudy | 41° / 15° | 0% |
About this forecast
- Source
- Open-Meteo, blending national weather-service models (incl. ECMWF and NOAA GFS)
- Conditions as of
- 1:00 PM local time
- Forecast point
- 37.250, -122.000, ~115 m elevation
- Updates
- Refreshed roughly hourly; cached up to 10 minutes on our side
Confidence narrows for the next day or two and widens further out — treat the back end of the 14-day range as a general trend, not a precise prediction. For long-term typical conditions instead of this live forecast, see the historical climate averages linked above.
Want more sun and moon detail for Cupertino? Use the sun calculator or moon calculator and search for Cupertino. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in Cupertino today?
Current conditions and today's forecast for Cupertino, United States are shown above, refreshed regularly through the day.
How accurate is a 14-day forecast?
A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.
What is Cupertino's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Cupertino's climate page rather than this live forecast.