Weather in Simi Valli — today, tomorrow and 14-day forecast
Weather in Simi Valli now: +33°, mostly clear, wind 4.9 m/s, humidity 29%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.
Weather in Simi Valli now
Hourly forecast for today in Simi Valli
Weather in Simi Valli tomorrow
From +22° to +34° — day and night.
Weather in Simi Valli for 3 days
From +22° to +35° — day and night.
Weather in Simi Valli for the week
Including the 5-day outlook.
From +22° to +35° — day and night.
Weather in Simi Valli for 2 weeks
Including the 10-day outlook.
From +21° to +36° — day and night.
Weekend weather in Simi Valli
Weather for the weather-sensitive
📒 Weather diary in Simi Valli
Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →
What to do in Simi Valli in weather like this 🎯
The Moon today 🌙
Simi Valli, Kaliforniya, United States. Population 126 788.
Precipitation map 🌧️
Cities near Simi Valli 📍
Weather stations — Simi Valli 📡
FAQ about weather in Simi Valli ❓
What's the weather in Simi Valli right now?
Now +33°, mostly clear, wind 4.9 m/s, W, humidity 29%. Feels like +31°.
What's the weather in Simi Valli tomorrow?
Tomorrow: +34° by day, +22° at night, partly cloudy.
Sunrise and sunset in Simi Valli?
Sunrise 05:17, sunset 18:42, day length 13h 25m.
What's the pressure and humidity in Simi Valli?
Pressure 761 mmHg, humidity 29%, wind 5 m/s. Matters for weather-sensitive people.
Do I need an umbrella in Simi Valli today?
No, precipitation is unlikely — you can go out without an umbrella.
Will it be hot in Simi Valli?
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 Simi Valli?
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 Simi Valli?
At UV 11, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.
Add the “Pogoda 1” weather widget — free
Pick a city, size and color — get ready-to-paste code. Works on any site.
Get the widget →
Weather in Simi Valli — in detail
Weather in Simi Valli 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 Simi Valli 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.