10-day forecast for Fullerton, CA: 56° to 88°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, November 8
69° · 1.19 in
Worst day: Thursday, November 12
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0684° / 56°0
Morning68°feels 66°
Afternoon84°feels 81°
Evening67°feels 65°
Overnight58°feels 57°
84 °
Fullerton, Friday, 6 November
Clear. High 84°, low 56°.
Pressure29.97 inHg
Wind1.8 mph NW
Humidity16%
Visibility6.2 mi
Dew point32°
Sat, 0786° / 60°0
Morning65°feels 63°
Afternoon86°feels 83°
Evening74°feels 72°
Overnight63°feels 61°
86 °
Fullerton, Saturday, 7 November
Clear. High 86°, low 60°.
Pressure30.00 inHg
Wind2.8 mph NW
Humidity15%
Visibility6.2 mi
Dew point30°
Sun, 0888° / 64°0
Morning69°feels 67°
Afternoon89°feels 85°
Evening75°feels 74°
Overnight65°feels 63°
88 °
Fullerton, Sunday, 8 November
Clear. High 88°, low 64°.
Pressure30.03 inHg
Wind1.6 mph NE
Humidity14%
Visibility6.2 mi
Dew point30°
Mon, 0988° / 66°0
Morning71°feels 69°
Afternoon82°feels 80°
Evening83°feels 80°
Overnight68°feels 66°
88 °
Fullerton, Monday, 9 November
Clear. High 88°, low 66°.
Pressure30.06 inHg
Wind7.1 mph NE
Humidity20%
Visibility—
Dew point35°
Tue, 1086° / 64°0
Morning69°feels 68°
Afternoon80°feels 80°
Evening81°feels 79°
Overnight71°feels 69°
86 °
Fullerton, Tuesday, 10 November
Clear. High 86°, low 64°.
Pressure30.09 inHg
Wind5.5 mph E
Humidity22%
Visibility—
Dew point36°
Wed, 1177° / 69°0
Morning71°feels 70°
Afternoon75°feels 74°
Evening74°feels 73°
Overnight70°feels 69°
77 °
Fullerton, Wednesday, 11 November
Clear. High 77°, low 69°.
Pressure30.00 inHg
Wind10.4 mph SW
Humidity41%
Visibility—
Dew point49°
Thu, 1269° / 58°1.19
Morning69°feels 68°
Afternoon67°feels 66°
Evening58°feels 58°
Overnight62°feels 60°
69 °
Fullerton, Thursday, 12 November
Rain. High 69°, low 58°.
Pressure29.83 inHg
Wind18.5 mph S
Humidity58%
Visibility—
Dew point53°
Fri, 1368° / 60°0.02
Morning61°feels 60°
Afternoon64°feels 63°
Evening66°feels 65°
Overnight62°feels 61°
68 °
Fullerton, Friday, 13 November
Light rain. High 68°, low 60°.
Pressure29.91 inHg
Wind10.7 mph W
Humidity54%
Visibility—
Dew point46°
Sat, 1471° / 63°0.02
Morning64°feels 63°
Afternoon68°feels 67°
Evening70°feels 69°
Overnight66°feels 65°
71 °
Fullerton, Saturday, 14 November
Light rain. High 71°, low 63°.
Pressure30.06 inHg
Wind7.7 mph W
Humidity53%
Visibility—
Dew point49°
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.