Hazardous Weather Conditions
Current conditions at
WHITTIER HILLS (WTHC1)
Lat: 33.984°NLon: 118.00943°WElev: 950.0ft.NA
59°F
15°C
| Humidity | 89% |
| Wind Speed | E 10 MPH |
| Barometer | NA |
| Dewpoint | 56°F (13°C) |
| Visibility | NA |
| Last update | 24 Dec 12:57 AM PST |
Extended Forecast for
2 Miles NNW Fullerton Municipal CA
Flood Watch December 24, 01:24am until December 26, 04:00pm
Wind Advisory December 24, 01:24am until December 25, 03:00pm
NOW: Multiple hazards in effect

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Overnight

Low: 58 °F
Showers
Wednesday

High: 64 °F
Heavy Rain
Wednesday Night
Low: 56 °F
Showers then
Showers
LikelyChristmas Day

High: 63 °F
Showers
LikelyThursday Night

Low: 56 °F
Showers
Friday

High: 62 °F
Showers
Friday Night

Low: 49 °F
Chance
ShowersSaturday

High: 62 °F
Slight Chance
Showers
Detailed Forecast
Overnight
Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 58. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 64. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers. Low around 56. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Christmas Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 56. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers. High near 62. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 49.
Saturday
A slight chance of showers before 10am, then a slight chance of rain after 10am. Mostly sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 69.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Fullerton Municipal CA
33.91°N 117.99°W (Elev. 197 ft)
33.91°N 117.99°W (Elev. 197 ft)
1:07 am PST Dec 24, 2025
1am PST Dec 24, 2025-6pm PST Dec 30, 2025



