10-day forecast for Fullerton, CA: 61° to 88°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, November 8
73° · 0.26 in
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0888° / 68°0
Morning78°feels 76°
Afternoon88°feels 84°
Evening71°feels 69°
Overnight68°feels 66°
88 °
Fullerton, Sunday, 8 November
Partly cloudy. High 88°, low 68°.
Pressure30.00 inHg
Wind2.4 mph NE
Humidity13%
Visibility6.2 mi
Dew point27°
Mon, 0987° / 70°0
Morning79°feels 79°
Afternoon87°feels 84°
Evening75°feels 74°
Overnight71°feels 69°
87 °
Fullerton, Monday, 9 November
Clear. High 87°, low 70°.
Pressure30.00 inHg
Wind2.4 mph SW
Humidity15%
Visibility6.2 mi
Dew point34°
Tue, 1088° / 64°0
Morning69°feels 67°
Afternoon88°feels 84°
Evening74°feels 73°
Overnight67°feels 66°
88 °
Fullerton, Tuesday, 10 November
Clear. High 88°, low 64°.
Pressure30.03 inHg
Wind2.5 mph SW
Humidity17%
Visibility6.2 mi
Dew point36°
Wed, 1187° / 62°0
Morning68°feels 67°
Afternoon86°feels 83°
Evening72°feels 72°
Overnight66°feels 64°
87 °
Fullerton, Wednesday, 11 November
Clear. High 87°, low 62°.
Pressure30.03 inHg
Wind2.3 mph SW
Humidity16%
Visibility6.2 mi
Dew point34°
Thu, 1282° / 61°0
Morning66°feels 64°
Afternoon77°feels 76°
Evening77°feels 77°
Overnight67°feels 66°
82 °
Fullerton, Thursday, 12 November
Clear. High 82°, low 61°.
Pressure29.94 inHg
Wind5 mph E
Humidity29%
Visibility—
Dew point40°
Fri, 1383° / 65°0
Morning70°feels 69°
Afternoon80°feels 79°
Evening80°feels 78°
Overnight73°feels 72°
83 °
Fullerton, Friday, 13 November
Overcast. High 83°, low 65°.
Pressure29.85 inHg
Wind9.3 mph E
Humidity20%
Visibility—
Dew point33°
Sat, 1473° / 65°0.26
Morning72°feels 71°
Afternoon72°feels 71°
Evening65°feels 64°
Overnight67°feels 67°
73 °
Fullerton, Saturday, 14 November
Light rain. High 73°, low 65°.
Pressure29.83 inHg
Wind9.6 mph W
Humidity52%
Visibility—
Dew point54°
Sun, 1571° / 65°0.16
Morning66°feels 65°
Afternoon69°feels 68°
Evening69°feels 69°
Overnight66°feels 65°
71 °
Fullerton, Sunday, 15 November
Light rain. High 71°, low 65°.
Pressure29.97 inHg
Wind8.9 mph SE
Humidity57%
Visibility—
Dew point52°
Mon, 1669° / 64°0.1
Morning65°feels 64°
Afternoon67°feels 66°
Evening68°feels 66°
Overnight65°feels 64°
69 °
Fullerton, Monday, 16 November
Light rain. High 69°, low 64°.
Pressure30.12 inHg
Wind9.7 mph SW
Humidity50%
Visibility—
Dew point47°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Fullerton, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.