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As of 18:34 PDT

Weather in Fullerton, CA

89°Current weather

Fullerton, Saturday, 8 August, 18:34

Clear. Feels like 89°. High 98°, low 70°.

Pressure29.83 inHg
Wind6 mph W
Humidity39%
Visibility6.2 mi
Dew point61°

10-day forecast for Fullerton, CA: 69° to 98°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

98°
Best day: Saturday, August 8
81°
Worst day: Friday, August 14

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

Sun, 0996° / 69°0Clear
MorningClear78°feels 78°
AfternoonClear95°feels 97°
EveningClear79°feels 79°
OvernightMostly clear72°feels 73°
96 °Clear

Fullerton, Sunday, 9 August

Clear. High 96°, low 69°.

Pressure29.83 inHg
Wind8.2 mph SW
Humidity38%
Visibility6.2 mi
Dew point58°
Mon, 1089° / 71°0Overcast
MorningOvercast78°feels 78°
AfternoonPartly cloudy88°feels 87°
EveningClear79°feels 79°
OvernightOvercast73°feels 73°
89 °Overcast

Fullerton, Monday, 10 August

Overcast. High 89°, low 71°.

Pressure29.88 inHg
Wind8.6 mph SW
Humidity40%
Visibility6.2 mi
Dew point59°
Tue, 1187° / 74°0Overcast
MorningOvercast74°feels 74°
AfternoonPartly cloudy87°feels 85°
EveningClear80°feels 80°
OvernightClear75°feels 75°
87 °Overcast

Fullerton, Tuesday, 11 August

Overcast. High 87°, low 74°.

Pressure29.94 inHg
Wind7.4 mph SW
Humidity36%
Visibility6.2 mi
Dew point56°
Wed, 1286° / 72°0Clear
MorningClear73°feels 73°
AfternoonClear86°feels 84°
EveningClear81°feels 81°
OvernightClear73°feels 73°
86 °Clear

Fullerton, Wednesday, 12 August

Clear. High 86°, low 72°.

Pressure29.88 inHg
Wind8.1 mph SW
Humidity38%
Visibility6.2 mi
Dew point56°
Thu, 1381° / 71°0Overcast
MorningOvercast73°feels 73°
AfternoonOvercast78°feels 78°
EveningOvercast78°feels 78°
OvernightOvercast72°feels 72°
81 °Overcast

Fullerton, Thursday, 13 August

Overcast. High 81°, low 71°.

Pressure29.91 inHg
Wind11.4 mph SW
Humidity53%
Visibility—
Dew point59°
Fri, 1481° / 70°0Overcast
MorningOvercast72°feels 72°
AfternoonOvercast77°feels 77°
EveningOvercast79°feels 79°
OvernightOvercast73°feels 73°
81 °Overcast

Fullerton, Friday, 14 August

Overcast. High 81°, low 70°.

Pressure29.97 inHg
Wind11.1 mph SW
Humidity55%
Visibility—
Dew point58°
Sat, 1586° / 70°0Clear
MorningClear73°feels 73°
AfternoonClear80°feels 80°
EveningClear82°feels 81°
OvernightClear74°feels 74°
86 °Clear

Fullerton, Saturday, 15 August

Clear. High 86°, low 70°.

Pressure30.00 inHg
Wind13 mph W
Humidity46%
Visibility—
Dew point56°
Sun, 1688° / 71°0Overcast
MorningOvercast73°feels 73°
AfternoonOvercast81°feels 81°
EveningOvercast84°feels 82°
OvernightOvercast76°feels 75°
88 °Overcast

Fullerton, Sunday, 16 August

Overcast. High 88°, low 71°.

Pressure30.03 inHg
Wind10.7 mph W
Humidity40%
Visibility—
Dew point53°
Mon, 1791° / 72°0Mostly clear
MorningMostly clear75°feels 75°
AfternoonMostly clear83°feels 82°
EveningMostly clear86°feels 83°
OvernightMostly clear78°feels 78°
91 °Mostly clear

Fullerton, Monday, 17 August

Mostly clear. High 91°, low 72°.

Pressure29.97 inHg
Wind11.3 mph W
Humidity38%
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.