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As of 06:40 PDT

Weather in Fullerton, CA

65°Current weather

Fullerton, Tuesday, 20 October, 06:40

Partly cloudy. Feels like 66°. High 83°, low 62°.

Pressure29.85 inHg
Wind4.6 mph E
Humidity89%
Visibility—
Dew point62°

10-day forecast for Fullerton, CA: 56° to 86°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

86°
Best day: Monday, October 26
66° · 1.94 in
Worst day: Thursday, October 22

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

Wed, 2177° / 59°0.66Heavy rain
MorningMostly clear67°feels 67°
AfternoonOvercast76°feels 76°
EveningLight rain65°feels 65°
OvernightMostly clear60°feels 60°
77 °Heavy rain

Fullerton, Wednesday, 21 October

Heavy rain. High 77°, low 59°.

Pressure29.88 inHg
Wind3.9 mph SW
Humidity53%
Visibility6.2 mi
Dew point57°
Thu, 2266° / 59°1.94Heavy rain
MorningLight rain59°feels 59°
AfternoonRain61°feels 61°
EveningMostly clear60°feels 60°
OvernightHeavy rain61°feels 62°
66 °Heavy rain

Fullerton, Thursday, 22 October

Heavy rain. High 66°, low 59°.

Pressure29.91 inHg
Wind4.4 mph S
Humidity77%
Visibility4.0 mi
Dew point59°
Fri, 2370° / 56°0Partly cloudy
MorningMostly clear57°feels 57°
AfternoonOvercast70°feels 70°
EveningClear62°feels 63°
OvernightOvercast57°feels 57°
70 °Partly cloudy

Fullerton, Friday, 23 October

Partly cloudy. High 70°, low 56°.

Pressure29.97 inHg
Wind2.7 mph W
Humidity62%
Visibility6.2 mi
Dew point56°
Sat, 2476° / 56°0Clear
MorningClear60°feels 60°
AfternoonClear71°feels 71°
EveningClear73°feels 73°
OvernightClear58°feels 57°
76 °Clear

Fullerton, Saturday, 24 October

Clear. High 76°, low 56°.

Pressure29.97 inHg
Wind5.1 mph NE
Humidity62%
Visibility—
Dew point55°
Sun, 2579° / 58°0Clear
MorningClear63°feels 62°
AfternoonClear75°feels 74°
EveningClear75°feels 75°
OvernightClear66°feels 65°
79 °Clear

Fullerton, Sunday, 25 October

Clear. High 79°, low 58°.

Pressure30.00 inHg
Wind6.1 mph NE
Humidity49%
Visibility—
Dew point52°
Mon, 2686° / 69°0Partly cloudy
MorningPartly cloudy73°feels 72°
AfternoonPartly cloudy82°feels 80°
EveningPartly cloudy85°feels 82°
OvernightPartly cloudy76°feels 74°
86 °Partly cloudy

Fullerton, Monday, 26 October

Partly cloudy. High 86°, low 69°.

Pressure29.97 inHg
Wind9.2 mph W
Humidity19%
Visibility—
Dew point33°
Tue, 2786° / 75°0Overcast
MorningOvercast77°feels 75°
AfternoonOvercast82°feels 80°
EveningOvercast84°feels 81°
OvernightOvercast78°feels 76°
86 °Overcast

Fullerton, Tuesday, 27 October

Overcast. High 86°, low 75°.

Pressure29.94 inHg
Wind5.4 mph W
Humidity15%
Visibility—
Dew point28°
Wed, 2883° / 73°0Overcast
MorningOvercast77°feels 76°
AfternoonOvercast80°feels 80°
EveningOvercast79°feels 78°
OvernightOvercast74°feels 73°
83 °Overcast

Fullerton, Wednesday, 28 October

Overcast. High 83°, low 73°.

Pressure29.88 inHg
Wind8.7 mph SW
Humidity25%
Visibility—
Dew point40°
Thu, 2977° / 69°0Overcast
MorningOvercast71°feels 71°
AfternoonOvercast74°feels 73°
EveningOvercast75°feels 74°
OvernightOvercast70°feels 69°
77 °Overcast

Fullerton, Thursday, 29 October

Overcast. High 77°, low 69°.

Pressure29.94 inHg
Wind10.7 mph SW
Humidity50%
Visibility—
Dew point53°

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.