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As of 18:20 PDT

Weather in Fullerton, CA

68°Current weather

Fullerton, Wednesday, 21 October, 18:20

Heavy rain. Feels like 68°. High 75°, low 62°.

Pressure29.80 inHg
Wind4 mph S
Humidity80%
Visibility6.2 mi
Dew point62°

10-day forecast for Fullerton, CA: 54° to 85°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

85°
Best day: Wednesday, October 28
75° · 0.69 in
Worst day: Wednesday, October 21

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

Thu, 2264° / 57°0.39Rain
MorningOvercast61°feels 61°
AfternoonRain63°feels 63°
EveningMostly clear59°feels 59°
OvernightOvercast61°feels 61°
64 °Rain

Fullerton, Thursday, 22 October

Rain. High 64°, low 57°.

Pressure30.00 inHg
Wind2 mph S
Humidity66%
Visibility4.1 mi
Dew point53°
Fri, 2369° / 54°0.03Light rain
MorningMostly clear57°feels 57°
AfternoonLight rain69°feels 68°
EveningClear62°feels 62°
OvernightMostly clear55°feels 54°
69 °Light rain

Fullerton, Friday, 23 October

Light rain. High 69°, low 54°.

Pressure29.97 inHg
Wind2.9 mph SW
Humidity60%
Visibility6.2 mi
Dew point54°
Sat, 2472° / 54°0Clear
MorningClear56°feels 55°
AfternoonClear72°feels 71°
EveningClear64°feels 64°
OvernightClear57°feels 56°
72 °Clear

Fullerton, Saturday, 24 October

Clear. High 72°, low 54°.

Pressure29.97 inHg
Wind4 mph SW
Humidity66%
Visibility6.2 mi
Dew point58°
Sun, 2576° / 58°0Clear
MorningClear59°feels 59°
AfternoonClear76°feels 76°
EveningClear73°feels 73°
OvernightClear60°feels 60°
76 °Clear

Fullerton, Sunday, 25 October

Clear. High 76°, low 58°.

Pressure30.03 inHg
Wind2 mph NW
Humidity60%
Visibility6.2 mi
Dew point58°
Mon, 2681° / 59°0Clear
MorningClear63°feels 63°
AfternoonClear75°feels 75°
EveningClear76°feels 76°
OvernightClear65°feels 64°
81 °Clear

Fullerton, Monday, 26 October

Clear. High 81°, low 59°.

Pressure30.09 inHg
Wind6.7 mph NE
Humidity48%
Visibility—
Dew point52°
Tue, 2784° / 60°0Partly cloudy
MorningPartly cloudy65°feels 64°
AfternoonPartly cloudy79°feels 78°
EveningPartly cloudy83°feels 80°
OvernightPartly cloudy74°feels 72°
84 °Partly cloudy

Fullerton, Tuesday, 27 October

Partly cloudy. High 84°, low 60°.

Pressure30.03 inHg
Wind6.4 mph W
Humidity37%
Visibility—
Dew point47°
Wed, 2885° / 74°0Overcast
MorningOvercast76°feels 74°
AfternoonOvercast81°feels 79°
EveningOvercast82°feels 80°
OvernightOvercast75°feels 74°
85 °Overcast

Fullerton, Wednesday, 28 October

Overcast. High 85°, low 74°.

Pressure29.94 inHg
Wind6.6 mph SW
Humidity18%
Visibility—
Dew point33°
Thu, 2981° / 72°0Overcast
MorningOvercast74°feels 73°
AfternoonOvercast78°feels 77°
EveningOvercast78°feels 78°
OvernightOvercast72°feels 71°
81 °Overcast

Fullerton, Thursday, 29 October

Overcast. High 81°, low 72°.

Pressure29.85 inHg
Wind7.7 mph SW
Humidity31%
Visibility—
Dew point44°
Fri, 3076° / 68°0Overcast
MorningOvercast70°feels 70°
AfternoonOvercast73°feels 72°
EveningOvercast72°feels 72°
OvernightOvercast68°feels 68°
76 °Overcast

Fullerton, Friday, 30 October

Overcast. High 76°, low 68°.

Pressure29.80 inHg
Wind10.3 mph S
Humidity51%
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.