10-day forecast for Fullerton, CA: 53° to 85°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Sunday, November 8
68° · 0.33 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0274° / 53°0
Morning62°feels 62°
Afternoon74°feels 73°
Evening63°feels 62°
Overnight56°feels 55°
74 °
Fullerton, Monday, 2 November
Mostly clear. High 74°, low 53°.
Pressure30.09 inHg
Wind3.7 mph W
Humidity46%
Visibility6.2 mi
Dew point48°
Tue, 0372° / 58°0
Morning67°feels 68°
Afternoon71°feels 70°
Evening60°feels 60°
Overnight59°feels 58°
72 °
Fullerton, Tuesday, 3 November
Mostly clear. High 72°, low 58°.
Pressure30.03 inHg
Wind2.9 mph SW
Humidity56%
Visibility6.2 mi
Dew point54°
Wed, 0472° / 55°0
Morning59°feels 59°
Afternoon72°feels 72°
Evening62°feels 62°
Overnight57°feels 56°
72 °
Fullerton, Wednesday, 4 November
Clear. High 72°, low 55°.
Pressure29.91 inHg
Wind2.6 mph SW
Humidity58%
Visibility6.2 mi
Dew point55°
Thu, 0577° / 54°0
Morning60°feels 59°
Afternoon77°feels 76°
Evening65°feels 65°
Overnight56°feels 56°
77 °
Fullerton, Thursday, 5 November
Clear. High 77°, low 54°.
Pressure29.94 inHg
Wind2.7 mph SW
Humidity43%
Visibility6.2 mi
Dew point51°
Fri, 0682° / 56°0
Morning61°feels 60°
Afternoon75°feels 74°
Evening77°feels 77°
Overnight62°feels 62°
82 °
Fullerton, Friday, 6 November
Clear. High 82°, low 56°.
Pressure30.03 inHg
Wind5.3 mph NE
Humidity34%
Visibility—
Dew point42°
Sat, 0785° / 59°0
Morning65°feels 63°
Afternoon79°feels 77°
Evening83°feels 81°
Overnight73°feels 71°
85 °
Fullerton, Saturday, 7 November
Clear. High 85°, low 59°.
Pressure30.00 inHg
Wind7 mph NE
Humidity21%
Visibility—
Dew point33°
Sun, 0885° / 71°0
Morning74°feels 72°
Afternoon81°feels 80°
Evening83°feels 80°
Overnight75°feels 73°
85 °
Fullerton, Sunday, 8 November
Mostly clear. High 85°, low 71°.
Pressure30.06 inHg
Wind6.3 mph E
Humidity10%
Visibility—
Dew point17°
Mon, 0982° / 71°0
Morning73°feels 71°
Afternoon78°feels 75°
Evening81°feels 79°
Overnight74°feels 73°
82 °
Fullerton, Monday, 9 November
Overcast. High 82°, low 71°.
Pressure30.06 inHg
Wind5.2 mph NE
Humidity11%
Visibility—
Dew point18°
Tue, 1081° / 71°0
Morning73°feels 71°
Afternoon77°feels 75°
Evening79°feels 77°
Overnight72°feels 70°
81 °
Fullerton, Tuesday, 10 November
Overcast. High 81°, low 71°.
Pressure30.06 inHg
Wind5.4 mph SW
Humidity16%
Visibility—
Dew point26°
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.