5-day weather forecast for Newport Beach, California
Today
59°
85°
Patchy Fog
Tuesday
60°
81°
Partly Sunny
Wednesday
59°
76°
Mostly Cloudy
Thursday
58°
75°
Mostly Cloudy
Friday
57°
75°
Mostly Cloudy
Click on a forecast to see the forecast trend for that day
Weather changeability for Fullerton, California
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 3.8° | 4.4° |
| Average change in low temperature day-to-day | 2.4° | 3.4° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 100% | 67% |
| Chance of precip day after a dry day | 0% | 9% |
Weather forecast accuracy for Fullerton, California
| The Weather Channel | 87.65% |
| AccuWeather | 81.48% |
| Intellicast | 78.40% |
| CustomWeather | 78.40% |
| Weather Underground | 74.38% |
| NWS Digital Forecast | 71.30% |
| Persistence | 70.91% |
| World Weather Online | 70.68% |
| National Weather Service | 70.37% |
| The Weather Channel | 83.38% |
| CustomWeather | 80.51% |
| Intellicast | 80.43% |
| AccuWeather | 80.42% |
| NWS Digital Forecast | 80.22% |
| National Weather Service | 78.72% |
| Persistence | 65.01% |
ForecastAdvisor Fact
11.5% of National Weather Service's high temperature forecasts for Fullerton were exactly right last year.