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As of 03:42 PDT

Weather in Fullerton, CA

66°Current weather

Fullerton, Tuesday, 20 October, 03:42

Clear. Feels like 66°. High 83°, low 62°.

Pressure29.85 inHg
Wind3.4 mph E
Humidity84%
Visibility3.3 mi
Dew point62°

10-day forecast for Fullerton, CA: 56° to 83°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

83°
Best day: Monday, October 26
67° · 1.07 in
Worst day: Thursday, October 22

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2178° / 58°0.29Rain
MorningClear66°feels 66°
AfternoonOvercast77°feels 77°
EveningRain65°feels 65°
OvernightClear60°feels 60°
78 °Rain

Fullerton, Wednesday, 21 October

Rain. High 78°, low 58°.

Pressure29.88 inHg
Wind2.4 mph SW
Humidity54%
Visibility6.2 mi
Dew point58°
Thu, 2267° / 58°1.07Heavy rain
MorningMostly clear61°feels 61°
AfternoonHeavy rain61°feels 61°
EveningLight rain59°feels 59°
OvernightRain61°feels 62°
67 °Heavy rain

Fullerton, Thursday, 22 October

Heavy rain. High 67°, low 58°.

Pressure29.91 inHg
Wind2.9 mph SW
Humidity80%
Visibility4.8 mi
Dew point59°
Fri, 2371° / 57°0Overcast
MorningMostly clear57°feels 57°
AfternoonOvercast71°feels 71°
EveningClear63°feels 63°
OvernightMostly clear57°feels 57°
71 °Overcast

Fullerton, Friday, 23 October

Overcast. High 71°, low 57°.

Pressure30.00 inHg
Wind1.5 mph W
Humidity63%
Visibility6.2 mi
Dew point56°
Sat, 2478° / 56°0Clear
MorningClear60°feels 60°
AfternoonClear72°feels 71°
EveningClear74°feels 73°
OvernightMostly clear57°feels 57°
78 °Clear

Fullerton, Saturday, 24 October

Clear. High 78°, low 56°.

Pressure29.97 inHg
Wind4.7 mph NE
Humidity59%
Visibility—
Dew point54°
Sun, 2580° / 58°0Clear
MorningClear62°feels 62°
AfternoonClear75°feels 74°
EveningClear78°feels 77°
OvernightClear71°feels 71°
80 °Clear

Fullerton, Sunday, 25 October

Clear. High 80°, low 58°.

Pressure30.03 inHg
Wind6.6 mph NE
Humidity47%
Visibility—
Dew point51°
Mon, 2683° / 72°0Overcast
MorningOvercast75°feels 73°
AfternoonOvercast79°feels 78°
EveningOvercast79°feels 78°
OvernightOvercast73°feels 72°
83 °Overcast

Fullerton, Monday, 26 October

Overcast. High 83°, low 72°.

Pressure29.91 inHg
Wind9.8 mph SW
Humidity22%
Visibility—
Dew point36°
Tue, 2777° / 68°0Clear
MorningClear70°feels 70°
AfternoonClear74°feels 74°
EveningClear75°feels 74°
OvernightClear71°feels 70°
77 °Clear

Fullerton, Tuesday, 27 October

Clear. High 77°, low 68°.

Pressure29.97 inHg
Wind9.4 mph SW
Humidity53%
Visibility—
Dew point55°
Wed, 2874° / 69°0Overcast
MorningOvercast70°feels 70°
AfternoonOvercast73°feels 72°
EveningOvercast73°feels 72°
OvernightOvercast69°feels 69°
74 °Overcast

Fullerton, Wednesday, 28 October

Overcast. High 74°, low 69°.

Pressure29.94 inHg
Wind9.1 mph SW
Humidity54%
Visibility—
Dew point55°
Thu, 2973° / 66°0Overcast
MorningOvercast69°feels 68°
AfternoonOvercast71°feels 70°
EveningOvercast70°feels 69°
OvernightOvercast67°feels 66°
73 °Overcast

Fullerton, Thursday, 29 October

Overcast. High 73°, low 66°.

Pressure29.94 inHg
Wind11.6 mph SW
Humidity55%
Visibility—
Dew point54°

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.