
Weather in Fullerton — today, tomorrow and 14-day forecast
Weather in Fullerton now: +25°, partly cloudy, wind 2.2 m/s, humidity 54%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.
Weather in Fullerton now
Hourly forecast for today in Fullerton
Weather in Fullerton tomorrow
From +20° to +34° — day and night.
Weather in Fullerton for 3 days
From +20° to +34° — day and night.
Weather in Fullerton for the week
Including the 5-day outlook.
From +20° to +34° — day and night.
Weather in Fullerton for 2 weeks
Including the 10-day outlook.
From +20° to +37° — day and night.
Weekend weather in Fullerton
Weather for the weather-sensitive
📒 Weather diary in Fullerton
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What to do in Fullerton in weather like this 🎯

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Fullerton, Kaliforniya, United States. Population 140 847.
Precipitation map 🌧️
Cities near Fullerton 📍

FAQ about weather in Fullerton ❓
What's the weather in Fullerton right now?
Now +25°, partly cloudy, wind 2.2 m/s, S-W, humidity 54%. Feels like +25°.
What's the weather in Fullerton tomorrow?
Tomorrow: +34° by day, +20° at night, partly cloudy.
Sunrise and sunset in Fullerton?
Sunrise 05:15, sunset 18:37, day length 13h 22m.
What's the pressure and humidity in Fullerton?
Pressure 761 mmHg, humidity 54%, wind 4 m/s. Matters for weather-sensitive people.
Do I need an umbrella in Fullerton today?
No, precipitation is unlikely — you can go out without an umbrella.
Will it be hot in Fullerton?
Up to +33° by day — hot. Drink more water, avoid the sun from noon to 4 PM, wear light clothes and a hat.
Do I need sunscreen in Fullerton?
Yes, the UV index is 11 — high. Use SPF 30+, especially for children; no more than 20-30 minutes in direct sun unprotected.
How long is it safe to stay in the sun in Fullerton?
At UV 11, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.
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Weather in Fullerton — in detail
Weather in Fullerton from “Pogoda 1” — an accurate, free forecast: current temperature, feels-like, wind, atmospheric pressure, humidity and precipitation. Available for today, tomorrow, 3, 5 and 10 days, a week, 2 weeks and a month, plus hourly weather, monthly climate, water temperature, air quality and an observation archive since 2017.
To quickly check the weather in Fullerton anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.
Photo Fullerton: User:Geographer / CC BY 2.5 · Wikimedia Commons

