Weather in DeKalb — today, tomorrow and 14-day forecast
Weather in DeKalb now: +18°, partly cloudy, wind 2.9 m/s, humidity 87%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.
Weather in DeKalb now
Hourly forecast for today in DeKalb
Weather in DeKalb tomorrow
From +18° to +25° — day and night.
Weather in DeKalb for 3 days
From +15° to +26° — day and night.
Weather in DeKalb for the week
Including the 5-day outlook.
From +14° to +26° — day and night.
Weather in DeKalb for 2 weeks
Including the 10-day outlook.
From +14° to +26° — day and night.
Weekend weather in DeKalb
Weather for the weather-sensitive
📒 Weather diary in DeKalb
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 DeKalb in weather like this 🎯
✉️ Weather forecast by email
Get the forecast for this city by email — every day at 17:00 Moscow time.
The Moon today 🌙
DeKalb, Illinoys, United States. Population 43 211.
Precipitation map 🌧️
Cities near DeKalb 📍
FAQ about weather in DeKalb ❓
What's the weather in DeKalb right now?
Now +18°, partly cloudy, wind 2.9 m/s, W, humidity 87%. Feels like +17°.
What's the weather in DeKalb tomorrow?
Tomorrow: +25° by day, +18° at night, partly cloudy.
Sunrise and sunset in DeKalb?
Sunrise 05:05, sunset 18:53, day length 13h 48m.
What's the pressure and humidity in DeKalb?
Pressure 762 mmHg, humidity 87%, wind 6 m/s. Matters for weather-sensitive people.
Do I need sunscreen in DeKalb?
Yes, the UV index is 8 — 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 DeKalb?
At UV 8, 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 DeKalb — in detail
Weather in DeKalb 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 DeKalb 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.