Fullerton, LA Weather Forecast

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Fullerton, LA Weather Forecast

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Fullerton LA weather  - Clear - 68°F
Clear
68°F
Updated 6:33 am
Feels Like 76°F
Humidity 100%
Wind N 0 mph
Barometer  30.15 in
Dew Point 68°F
Fullerton LA weather  - Clear - 20°C
Clear
20°C
Updated 6:33 am
Feels Like 24°C
Humidity 100%
Wind N 0 km/h
Barometer  102.1 kPa
Dew Point 20°C

Fullerton Weather Forecast

TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Fullerton, LA Weather - Today Sunny Fullerton, LA Weather - Tonight Clear Fullerton, LA Weather - Saturday Sunny Fullerton, LA Weather - Saturday Night Clear Fullerton, LA Weather - Sunday Sunny Fullerton, LA Weather - Sunday Night Mostly Clear Fullerton, LA Weather - Monday Partly Cloudy Fullerton, LA Weather - Monday Night Partly Cloudy Fullerton, LA Weather - Tuesday Sunny Fullerton, LA Weather - Tuesday Night Partly Cloudy Fullerton, LA Weather - Wednesday Sunny Fullerton, LA Weather - Wednesday Night Clearing
Sunny Clear Sunny Clear Sunny Mostly Clear Partly Cloudy Partly Cloudy Sunny Partly Cloudy Sunny Clearing
Hi: 95°FHi: 35°C
Lo: 70°FLo: 21°C Hi: 99°FHi: 37°C
Lo: 71°FLo: 22°C Hi: 99°FHi: 37°C
Lo: 71°FLo: 22°C Hi: 99°FHi: 37°C
Lo: 75°FLo: 24°C
Hi: 99°FHi: 37°C
Lo: 75°FLo: 24°C
Hi: 99°FHi: 37°C
Lo: 75°FLo: 24°C Hi: 95°FHi: 35°C
Lo: 71°FLo: 22°C
POP = Probability of Precipitation.
Weather Outlook Updated: 306 AM CDT Fri Sep 18 2026 Fullerton, LA Weather - WeatherWorld.com

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Issued: 605 AM CDT Fri Sep 18 2026

Key Messages

  • Drier air will remain across the region through Saturday, which will keep heat indices below advisory criteria. High temps will still range 5 to 10 degrees above climatological norms for the end of summer.
  • Precipitation chances slightly increase Sunday into early next week, as an area of low pressure moves across the northeastern Gulf.

Discussion

... (Tonight through next Thursday) Issued at 1146 PM CDT Thu Sep 17 2026

An upper ridge is centered over the Ozarks, where it will meander fo...