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Fullerton weather
Current conditions and a 14-day forecast for Fullerton, United States. Looking for typical seasonal weather instead? See the historical climate averages.
Now
34°C
Overcast · feels 36°C
Humidity
39%
relative humidity
Wind
22 km/h
10m wind speed
Chance of rain
8%
today
Next 24 hours in Fullerton
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 12pm | Overcast | 34°C | 0% |
| 1pm | Overcast | 35°C | 0% |
| 2pm | Overcast | 36°C | 0% |
| 3pm | Overcast | 36°C | 0% |
| 4pm | Overcast | 37°C | 1% |
| 5pm | Overcast | 36°C | 8% |
| 6pm | Mainly clear | 36°C | 8% |
| 7pm | Mainly clear | 34°C | 4% |
| 8pm | Clear sky | 31°C | 4% |
| 9pm | Clear sky | 29°C | 3% |
| 10pm | Overcast | 28°C | 1% |
| 11pm | Overcast | 27°C | 2% |
| 12am | Overcast | 26°C | 1% |
| 1am | Overcast | 26°C | 2% |
| 2am | Overcast | 25°C | 2% |
| 3am | Overcast | 24°C | 2% |
| 4am | Overcast | 23°C | 3% |
| 5am | Overcast | 23°C | 3% |
| 6am | Overcast | 23°C | 3% |
| 7am | Overcast | 24°C | 3% |
| 8am | Overcast | 25°C | 3% |
| 9am | Overcast | 27°C | 3% |
| 10am | Overcast | 28°C | 3% |
| 11am | Overcast | 30°C | 3% |
14-day forecast for Fullerton
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Overcast | 37° / 24° | 8% |
| Thu, Jul 16 | Overcast | 36° / 23° | 3% |
| Fri, Jul 17 | Overcast | 30° / 18° | 1% |
| Sat, Jul 18 | Moderate rain showers | 22° / 18° | 78% |
| Sun, Jul 19 | Dense drizzle | 26° / 15° | 78% |
| Mon, Jul 20 | Overcast | 26° / 11° | 11% |
| Tue, Jul 21 | Moderate rain showers | 30° / 15° | 54% |
| Wed, Jul 22 | Clear sky | 27° / 11° | 51% |
| Thu, Jul 23 | Overcast | 28° / 13° | 13% |
| Fri, Jul 24 | Light drizzle | 26° / 13° | 16% |
| Sat, Jul 25 | Light drizzle | 26° / 13° | 22% |
| Sun, Jul 26 | Mainly clear | 25° / 9° | 56% |
| Mon, Jul 27 | Overcast | 27° / 11° | 51% |
| Tue, Jul 28 | Overcast | 26° / 14° | 28% |
Want more sun and moon detail for Fullerton? Use the sun calculator or moon calculator and search for Fullerton. For a live look at any other city, try the interactive weather tool.
Frequently asked questions
What's the weather like in Fullerton today?
Current conditions and today's forecast for Fullerton, 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 Fullerton's weather usually like?
For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Fullerton's climate page rather than this live forecast.