Fullerton, CA 10-Day Weather Forecast
10-Day Temperature Forecast
Daily Precipitation Outlook
10-day outlook for Fullerton, CA: today partially cloudy, high 78°F, low 59°F with a 1% rain chance. Tomorrow: high 74°F.
| Today's High | 78°F |
| Today's Low | 59°F |
| Rain Chance | 1% |
| Conditions | Partially cloudy |
| Tomorrow's High | 74°F |
| Tomorrow's Low | 58°F |
10-Day Temperature Outlook for Fullerton, CA
The full 10-day forecast table below shows daily high and low temperatures, precipitation probability, and weather conditions for each day in Fullerton, CA. Today reaches a high of 78°F with partially cloudy and a 1% rain chance. Tomorrow's high is 74°F with a 35% chance of rain.
How to Use the 10-Day Forecast
Long-range forecasts become less precise beyond 5–7 days but remain useful for planning outdoor events and travel in Fullerton, CA. The daily rain probability is expressed as a percentage — days above 50% have a more-likely-than-not chance of measurable precipitation. Days below 20% are typically dry.
For a closer look at today's weather hour by hour, see the Fullerton hourly forecast. For tomorrow's specific rain timing, the rain tomorrow page shows the hourly precipitation breakdown.
10-Day Forecast for Fullerton, CA
| Day | High | Low | Rain | Conditions |
|---|---|---|---|---|
| Thu, Apr 9 | 78°F | 59°F | 1% | Partially cloudy |
| Fri, Apr 10 | 74°F | 58°F | 35% | Partially cloudy |
| Sat, Apr 11 | 69°F | 58°F | 35% | Partially cloudy |
| Sun, Apr 12 | 67°F | 56°F | 91% | Rain, Partially cloudy |
| Mon, Apr 13 | 67°F | 52°F | 24% | Partially cloudy |
| Tue, Apr 14 | 72°F | 53°F | 3% | Clear |
| Wed, Apr 15 | 74°F | 54°F | 0% | Partially cloudy |
| Thu, Apr 16 | 74°F | 56°F | 0% | Partially cloudy |
| Fri, Apr 17 | 71°F | 58°F | 7% | Clear |
| Sat, Apr 18 | 63°F | 60°F | 10% | Overcast |
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